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Genta Aulia Guntur, 2023. Efforts to Apply Audio Visual Media to Improve Learning Outcomes of Volleyball Bottom Service in Class X IPS 1 Students of SMAN 1 Peranap Indragiri Hulu. The purpose of this research was to find out the efforts to apply audio-visual media to improve learning outcomes for volleyball underhand serve in class X IPS 1 SMAN 1 Peranap Indragiri Hulu. The type of this research is PTK. The population and sample in this research were 28 class X IPS 1 SMAN 1 Peranap Indragiri Hulu. The research instrument used was the volleyball underhand service performance test. The data analysis technique used is to calculate the classical completeness score achieved by students. Based on the results of student tests during the first cycle in the Less category and not yet achieving a classical completeness score of 80%, only achieving a percentage value of 32.14% with a total of 9 students completing with an average score achieved by students of only 50.29. Whereas in cycle II it showed that classical completeness was 92.84% and more than 80% had passed the KKM score (75) with the number of students who completed as many as 26 students with an average score achieved by students of 84.06.

The aim of this research is to determine the contribution of arm muscle strength and motivation to the volleyball bottom serve of students at SMK Negeri 2 Tanah Putih, Kabupaten Rokan Hilir. This type of research is multiple correlation. The population and sample in this study were students of SMK Negeri 2 Tanah Putih, Kabupaten Rokan Hilir, totaling 15 people using a sampling technique, namely total sampling, so the sample in this study was 15 people. The research instruments used were the push up test, questionnaire test and volleyball bottom serve test. The data analysis technique used is calculating the multiple correlation value. Based on the research results, it can be concluded that (1) There is a contribution of arm muscle strength to the volleyball bottom serve of students at SMK Negeri 2 Tanah Putih, Kabupaten Rokan Hilir, amounting to 69.56%, (2) There is a contribution of student motivation to the volleyball bottom serve of students at SMK Negeri 2 Tanah Putih. Rokan Hilir Regency was 40.32%, (3) There was a contribution of arm muscle strength and student motivation to the volleyball bottom serve of students at SMK Negeri 2 Tanah Putih Kabupaten Rokan Hilir of 73.79%.

The purpose of this research was to determine the relationship between hand eye coordination and arm muscle strength with the ability to serve under volleyball in volleyball extracurricular activities at SMPN 14 Dumai. The type of this research is multiple correlation. The population and sample in this research were volleyball extracurricular at SMPN 14 Dumai, totaling 14 people. The research instrument used was a test of hand eye coordination with throw catch tennis ball to the target wall and a test of arm muscle strength with floor push up and a volleyball bottom serve test. Based on the results of the research, the conclusions obtained in this study are: (1) There is a relationship between eye-hand coordination and the ability to serve under volleyball extracurricular volleyball students at SMPN 14 Dumai of rcount = 0.737 > rtable = 0.532 with tcount = 3.78 > ttable = 1.782, ( 2) There is a relationship between arm muscle strength and the ability to serve under volleyball extracurricular volleyball students at SMPN 14 Dumai of rcount = 0.767 > rtable = 0.532 with tcount = 4.15 > ttable = 1.782, (3) There is a relationship between eye-hand coordination and arm muscle strength with the ability to serve under volleyball in volleyball extracurricular activities at SMPN 14 Dumai is rcount = 0.803 > rtable = 0.532 with Fcount = 9.98 > Ftable = 3.74.

This study aims to find out about improving learning in volleyball underhand serve through playing catch and throw at SMPN 1 Pekanbaru. As for this type of research, there were 22 students in class VIII A of SMPN 1 Pekanbaru. Initial data from the first cycle of the volleyball underserving test by playing catch and throwing showed that only 65% of students achieved the KKM, namely students who completed 13 students and 35%, namely students who did not complete 9 students. In the second cycle, the volleyball underserving test by playing catch and throwing experienced an increase of 85% as many as 16 students who completed KKM and 15%, namely students who did not complete as many as 6 students. From the results of this study obtained in cycle I and cycle II, it can be concluded that the game of volleyball through playing catch and throw is very appropriate and successfully used to improve the underhand serve of class VIII A students of SMPN 1 Pekanbaru.

The purpose of this research was to determine the contribution of hand-eye coordination and arm muscle strength to the lower serve results in volleyball extracurricular activities at SMPN 1 Batang Cenaku. The type of this research is multiple correlation. The population and sample in this study were volleyball extracurricular students at SMPN 1 Batang Cenaku, totaling 12 people. The research instrument used was a test of hand-eye coordination and a test of arm muscle strength and a volleyball lower serve test. Based on the results of the research, the conclusions obtained in this research are: (1) There is a contribution of eye-hand coordination to the bottom serve in volleyball extracurricular volleyball students at SMPN 1 Batang Cenaku by 79.76%, (2) There is a contribution of arm muscle strength to bottom serve in volleyball extracurricular volleyball students at SMPN 1 Batang Cenaku by 47.61%, (3) There is a contribution of eye and hand coordination and arm muscle strength to the bottom serve in volleyball extracurricular volleyball students at SMPN 1 Batang Cenaku by 80 ,28%.

The purpose of this study was to determine the relationship between eye and hand coordination on the results of the underserved volleyball game for extra-curricular students at SMA Negeri 1 Kerinci Kanan, Siak Regency. This type of research is correlational research. The population in the study was members of the volleyball extracurricular at SMA Negeri 1 Kerinci Kanan, Siak Regency, which amounted to 16 people. The sampling technique was total sampling, thus the number of samples was 16 people. The instruments used are throwing and catching tennis balls and volleyball bottom serve. Data analysis technique is product moment correlation. The conclusions of this study are: there is a relationship between eye and hand coordination with the ability to serve down in the volleyball game for extracurricular students of SMA Negeri 1 Kerinci Kanan, Siak Regency.

ivRINGKASANAfiandara, Yoseano. 2018. Pengaruh Variasi Latihan Passing terhadap Ketepatan Servis Bawah Peserta Ekstrakurikuler Sepaktakraw SD Negeri 3 Sumberejo Kota Batu. Skripsi. Jurusan Pendidikan Jasmani dan Kesehatan. Fakultas Ilmu Keolahragaan, Universitas Negeri Malang. Pembimbing: Drs. Mulyani Surendra, M.S., Febrita P. Heynoek, S.Pd., M.PdKata Kunci: servis, passing, wall bound, sepaktakraw.Berdasarkan hasil tes awal (pretest) dengan menggunakan tes ketepatan servis yang terbagi dalam kategori menguasai, cukup menguasai dan kurang menguasai. Dari jumlah 22 sampel peserta ekstrakurikuler sepaktakraw SD Negeri 3 Sumberejo Batu dapat diketahui kemampuan servis siswa yang masih kurang sekali yaitu ada 7 peserta ( 31,82%), ada 6 peserta (27,27%) yang termasuk dalam kriteria kurang, ada 4 peserta (18,18%) yang termasuk dalam kriteria cukup, ada 4 peserta (18,18%) yang termasuk dalam kriteria baik dan 1 peserta (4,55%) yang termasuk dalam kriteria baik sekali. Berdasarkan latar belakang masalah di atas, maka peneliti ingin meningkatkan kemampuan service dengan variasi latihan passing. Maka peneliti ingin melihat perbedaan hasil dari dua bentuk latihan terhadap keterampilan service. Penelitian ini diberi judul: Pengaruh Variasi Latihan passing terhadap Ketepatan Servis Bawah Peserta Ekstrakurikuler Sepaktakraw SD Negeri 3 Sumberejo Kota Batu.Tujuan penelitian ini adalah untuk mengetahui perbedaan pengaruh latihan passing terhadap ketepatan servis bawah sepaktakraw.Rancangan penelitian menggunakan rancangan eksperimental semu berupa pre test dan post test. Populasi penelitian siswa ekstrakurikuler sepaktakraw berjumlah 22 siswa, Penelitian menggunakan instrumen tes dan pengumpulan data menggunakan teknik pengukuran, eksperimen, dan observasi.Hasil analisis data menggunakan analisis varian satu jalur (one way anova) dilakukan terhadap selisih data tes awal (pretest) dengan tes akhir (posttest) ketepatan servis masing-masing kelompok sebagaimana diperoleh harga F hitun

Melalui kegiatan belajar mengajar yang menekankan pada aktivitas siswa diharapkan mampu meningkatkan motivasi dan hasil belajar yang sesuai dengan harapan. Keterampilan menganalisis permainan bola voli pada mata pelajaran Pendidikan Jasmani, Olahraga dan Kesehatan mutlak diperlukan para siswa kelas XI. Ironisnya justru di Kelas XI MIA 3 keterampilan terhadap materi ajar tersebut masih jauh dari harapan, yakni dengan rerata 58,82 dan termasuk pada kategori kurang. Diharapkan setelah menerapkan metode Reciprocal Teaching ini nilai rerata siswa Kelas XI MIA 3 akan meningkat pada kategori baik bahkan amat baik. Adapun tujuan penelitian ini adalah : (1) meningkatkan aktivitas belajar melalui penggunaan pendekatan Reciprocal Teaching, (2) meningkatkan hasil belajar tentang Menganalisis keterampilan permainan bola voli. Penelitian ini merupakan penelitian tindakan kelas yang dilaksanakan dalam 3 siklus. Tiap siklus terdiri atas 1 kali pertemuan. Dalam setiap siklus mencakup kegiatan perencanaan, pelaksanaan, observasi, dan refleksi. Hasil dari penelitian ini adalah pendekatan Reciprocal Teaching dengan media realia mampu meningkatkan hasil belajar Menganalisis keterampilan permainan bola voli. Hal ini didukung adanya peningkatan mean skor dalam setiap siklusnya yakni siklus I memperoleh 72,94, siklus II meningkat menjadi 82,35, dan siklus III meningkat lagi menjadi 81,77. Selain itu juga ditandai dengan peningkatan ketuntasan belajar tiap siklus yaitu siklus I sebanyak 73,53%, siklus II meningkat menjadi 82,35% dan siklus III mencapai maksimal peningkatan ketuntasan menjadi 100%.

This research was conducted on 17 students of volleyball extracurricular at SMP Negeri 12 Pekanbaru City, this study aimed to determine the contribution of legan muscle strength and eye and hand coordination to the lower serve of volleyball extracurricular students at SMP Negeri 12 Pekanbaru City. The type of research used in this research is correlation. The research instrument used was a push up test, a baseball throw and catch test and a volleyball bottom serve test. Based on the results of data analysis and hypothesis testing, for the contribution of arm muscle strength to the volleyball bottom serve. With R Count 0.27 < R Table 0.482 with a KD of 7.48%, there is no contribution. Then there is a Contributionof Eye and Hand Coordination with R Count 0.175 < R to Service Results below Table 0.482 with KD of 3.06%, while the contribution of arm muscle strength and eye and hand coordination to service results under students of SMP Negeri 12 Pekanbaru City with R Count 0 .32 < R Table 0.482 with KD of 10.69%. Theremaining 89.31% is influenced by other factors.

The purpose of this study was to determine the Contribution of Arm Muscle Strength to Lower Service Results of Volleyball Games for Boys Volleyball Extracurricular Students of SMP Negeri 6 Siak Hulu. The type of this research is multiple correlation. The population and sample in this study were 16 male volleyball extracurricular students at SMP Negeri 6 Siak Hulu. The research instrument used was a push-up arm muscle strength test and a volleyball under-serve ability test. The data analysis technique used is the correlation value test. Based on the results of the research that has been done, it can be concluded that there is a contribution of arm muscle strength to the lower service results of volleyball games for male volleyball extracurricular students at SMP Negeri 6 Siak Hulu of 30.36%.

The purpose of the study. The purpose of this study was to determine The Effect of Arm Muscle Strength on Lower Service Outcomes of Ektracurricular Students at SMP Negeri 3 Bangkinang, Kampar Regency. Materials and methods. The form of this research is a correlation study with the population of all extracurricular students of SMP Negeri 3 Bangkinang Kampar Regency with a total sample of 10 people. The sample in this study was obtained based on the total sampling technique used in this study, namely the arm muscle strength test and the lower service test result. Results. The results of data analysis in this study obtained r count of 0.987 with a large contribution of 97.41%. This is classified as very good. From the research conducted, it can be concluded that there is an influence of arm muscle strength on the ability of the underserving students of extracurricular students of SMP Negeri 3 Bangkinang, Kampar Regency. Where obtained r arithmetic 0.987>rtable = 0.632 with a contribution of 97.41%. Conclusions. Based on the data analysis that has been done, it can be concluded that this study has a the influence of arm muscle strength (X) on the bottom service result (Y) extracurricular students of SMPN 3 Bangkinang, Kampar Regency. Where r count 0.987>rtable 0.632, and there is a contribution of arm muscle strength to the results of lower serve volleyball for extracurricular students of SMPN 3 Bangkinang Kampar Regency of 97.41 % the remaining 2.583% is determined by other factors., The  purpose  of  the study. The purpose of this study was to determine The Effect of Arm Muscle Strength on Lower Service Outcomes of Ektracurricular Students at SMP Negeri 3 Bangkinang, Kampar Regency. Materials and methods. The form of this research is a correlation study with the population of all extracurricular students of SMP Negeri 3 Bangkinang Kampar Regency with a total sample of 10 people. The sample in this study was obtained based on the total sampling technique used in this study, namely the arm muscle strength test and the lower service test result. Results. The results of data analysis in this study obtained r count of 0.987 with a large contribution of 97.41%. This is classified as very good. From the research conducted, it can be concluded that there is an influence of arm muscle strength on the ability of the underserving students of extracurricular students of SMP Negeri 3 Bangkinang, Kampar Regency. Where obtained r arithmetic - 0.987 > r table = 0.632 with a contribution of 97.41% Conclusions. Based on the data analysis that has been done, it can be concluded that this study has a the influence of arm muscle strength (X) on the bottom service result (Y) extracurricular students of SMPN 3 Bangkinang, Kampar Regency. Where r count 0.987 > r table 0.632, and there is a contribution of arm muscle strength to the results of lower serve volleyball for extracurricular students of SMPN 3 Bangkinang Kampar Regency of 97.41 % the remaining 2.583% is determined by other factors.

The purpose of this study was to improve service under volleyball through a tool modification method for grade 5 A students of Sekolah Dasar Negeri 150 Pekanbaru. The type of this research is CAR. The subjects of this study were students at the Va grade 150 public elementary school Pekanbaru, with a total of 38 people. The data analysis technique used is to calculate the percentage value of classical completeness. Based on the analysis and discussion it can be concluded the results of the study that there is an increase in service under the volleyball through a method of modification of tools in class 5 A Sekolah Dasar Negeri 150 Pekanbaru with an average increase in student skills during the first cycle with the competent category but have not reached the classical completeness value of 80 %, only reached a percentage value of 76.32% with a total of 29 students completing students and with an average grade of 76.60. Whereas in the second cycle shows that the ability of students to perform service movements under the volleyball is better with a classical completeness value of 89.47% with a total of 34 students as well as with an average value of 80.55.

The purpose of this research is to improve the service skills under volleyball through modification of tools in class VII-2 students at SMPN 25 Pekanbaru. This type of research is PTK. The population in this study amounted to 34 students, then the sample taken was the whole of the population of 34 students. Based on the results of data processing in the implementation of the first cycle there were 26 students who achieved the KKM value (76%), and 8 students who had not yet achieved the KKM value (24%). So this study continued with the implementation of the second cycle and the results increased with the number of 28 students who achieved the KKM value (82%) and 6 students who had not yet achieved the KKM value (18%). Thus it can be concluded that there is an increase in service skills under volleyball through modification of tools in class VII-2 students at SMP 25 Pekanbaru.

REZKI MURSALIN, 2019. Efforts to Improve the Basic Technique of Volleyball Service Through the Jigsaw Cooperative Learning Method for Class XI Science 2 Students of SMAN 10 Pekanbaru. The purpose of this research is to improve the basic service techniques using the Jigsaw cooperative learning method in class XI IPA 2 students of SMAN 10 Pekanbaru. The study was conducted in October. The form of research is descriptive research. The basic technique of serving under the volleyball of students using a jigsaw cooperative learning model in class XI students of Natural Sciences 2 of SMAN 10 Pekanbaru. ). In the first cycle of basic techniques under volleyball service using a jigsaw cooperative learning model the average level of student skills increased with the category of quite competent with an average completeness of 63.06 (33.33%, 12 complete), it shows that students began understand the practice of basic techniques under the volleyball service using a jigsaw cooperative learning model taught by the teacher, but the average value has not yet reached the predetermined completeness of 80.00%. Whereas in the second cycle the average skills of the students were categorized as competent with an average completeness of 75.42 (86.11%, complete 31 people) which indicated that the classical completeness set in this study had been achieved at 80%.

Contribution of Arm Muscle Strength and Eye and Hand Coordination to Lower Service in Volleyball Games in Extracurricular Students in SMA Negeri 10 Pekanbaru. The purpose of this research was to determine the contribution of arm muscle strength and eye and hand coordination to lower service in volleyball games for extracurricular students at SMA Negeri 10 Pekanbaru. This type of research is a multiple correlation. The population and sample in this research were 12 extracurricular high school students in Pekanbaru. The research instruments used were arm muscle strength tests with push ups, eye and hand coordination tests and volleyball service ability tests. The data analysis technique used is the multiple correlation test. Based on the results of the research that has been done, it can be concluded that 1) There is a contribution of arm muscle strength to lower service in volleyball game extracurricular students at SMA Negeri 10 Pekanbaru by 39.56%, 2) There is a contribution of eye and hand coordination to lower service in volleyball extracurricular students at SMA Negeri 10 Pekanbaru by 48.44%, 3) There was a contribution of arm muscle strength and eye and hand coordination to lower service in volleyball game extracurricular students at SMA Negeri 10 Pekanbaru by 68.39%.

The purpose of this Iendra, Npm. 166610312study was to determine how much increase in audio-visual media towards volleyball service in Class Xl students of SMAN 1 Batang Cenaku. This research was conducted at SMAN 1 Batang Cenaku. The variables used are service below volleyball and audio visual media. The research subjects used were 35 students of Class Xl 1 Batang Cenaku. The instrument of this research is to use a service rubric under volleyball. The data analysis technique used is descriptive statistics. The results showed that the improvement of basic service techniques under the volleyball of grade XI students of SMAN 1 Batang Cenaku was well categorized. The results obtained for the basic techniques of service under volleyball in Class Xl students of SMAN 1 Batang Cenaku in cycle 1 were 68% which were "complete" in cycle 2 experiencing an increase of 85.7% "completing".

i ABSTRAK Inkadani Deky Setyo. 2018. Perbandingan Pengaruh Latihan Bolavoli Gandu Level I dan Bolavoli Mini Terhadap Hasil Belajar Keterampilan Servis Bawah Bolavoli Pada Siswa SDN Wonokerto 2 Kabupaten Lumajang. Skripsi Jurusan Pendidikan Jasmani dan Kesehatan Fakultas Ilmu Keolahragaan Universitas Negeri Malang. Pembimbing Dr. Asim M.Pd. Kata Kunci Bolavoli Gandu Level I Bolavoli Mini Servis Bawah. Dalam upaya peningkatan kemampuan keterampilan teknik dasar bolavoli tidak sedikit masalah yang dihadapi oleh guru pendidikan jasmani yang ada di Kabupaten Lumajang salah satunya peningkatan keterampilan teknik servis. Servis merupakan salah satu teknik dasar yang harus dikuasai oleh siswa SD karena untuk memulai permainan bolavoli harus diawali dengan melakukan servis jadi apabila servis dilakukan dengan baik maka permainan bolavoli bisa berjalan. Dari persoalan tersebut merupakan masalah yang perlu dicarikan solusi untuk mengatasinya guna meningkatkan kemampuan keterampilan servis bawah. Pada penelitian ini peneliti memberikan permainan guna menunjang pembelajaran keterampilan servis bawah siswa SD kelas V yakni permainan bolavoli gandu level 1 karena permainan ini tertuju untuk siswa kelas V dan didalam permainanya siswa akan aktif bergerak dan lebih sering untuk bersentuhan dengan bola sehingga mampu digunakan untuk meningkatkan keterampilan servis bawah siswa melalui permainan ini. Tujuan dari penelitian ini membandingkan pengaruh latihan hasil belajar keterampilan servis bawah bolavoli gandu level 1 dan bolavoli mini pada siswa kelas lima SDN Wonokerto 2 Kabupaten Lumajang. Penelitian ini menggunakan metode eksperimental dengan metode Two Group Prettes-Posttest Design dengan pemilihan kelompok yang diacak. Dengan variabel terikat servis bawah. Analisis yang digunakan dalam penelitian ini adalah teknik analisis varian satu arah (one way anova) dengan taraf signifikasi 0 05 data terlebih dahulu diolah kedalam T-skor untuk menghitung data kinerja dan hasil perolehan

Masih banyak atlet sepaktakraw Balai Baru Takraw Club yang kurang menguasai teknik dasar sepakan dengan baik, terutama pada saat melakukan melakukan servis cenderung melenceng dan tidak mempunyai kekuatan. Penelitian ini bertujuan untuk mengetahui (1) Daya ledak otot tungkai atlet sepaktakraw Balai Baru Takraw Club, (2) Koordinasi mata kaki atlet sepaktakraw Balai Baru Takraw Club. (3) Kontribusi daya ledak otot tungkai dan koordinasi mata kaki memberikan terhadap servis bawah pada atlet sepaktakraw Balai Baru Takraw Club. Jenis penelitian correlational, pendekatan menggunakan metode kuantitatif. Populasi dalam penelitian ini adalah atlet sepaktakraw Balai Baru Takraw Club dengan jumlah sampel 20 orang. Variabel penelitian terdiri dari daya ledak otot tungkai, koordinasi mata kaki dan servis bawah. Pengumpulan data dilakukan dengan memberikan tes vertical jump, tes koordinasi mata kaki, dan tes servis.Analisis data dilakukan dengan analisis korelasi ganda. Hasil penelitian diperoleh daya ledak otot tungkai atlet sepaktakraw Balai Baru Takraw Club diperoleh skor tertinggi sebesar 51. termasuk dalam kategori masih sangat rendah. Koordinasi mata kaki atlet sepaktakraw Balai Baru Takraw Club diperoleh nilai maksimum sebesar 5,0, termasuk dalam kategori kurang sekali. Daya ledak otot tungkai dan koordinasi mata kaki memberikan kontribusi terhadap servis bawah pada atlet sepaktakraw Balai Baru Takraw Club sebesar 8,1225%, termasuk dalam kategori sangat rendah. Koordinasi mata kaki yang dimilik para atlet sepaktakraw Balai Baru Takraw Club Kota Padang diperoleh rentang skor antara 1,00 – 3,67, dengan nailai tertinggi sebesar 3,67, termasuk dalam kategori sangat rendah. Kata Kunci : Daya Ledak Otot Tungkai, Koordinasi Mata Kaki, Servis Bawah Atlet Sepaktakraw Balai Baru Takraw Club

Based on the results of observations made on class XI students, it can be seen that students' skills in serving under volleyball are still not optimal. When serving below, students do not put their left foot in front of the right foot. This certainly will have an impact on the body's balance in doing service. Students roll the ball too high, this of course will cause inaccuracies in hitting the ball. Then how to hit the wrong ball. This can cause the ball to get stuck on the net. In addition, teachers have never used modeling methods to improve students' ability to serve below. The purpose of this study was to improve service learning outcomes under volleyball through the student team achievement divisions (STAD) method in class XI students SMA Negeri 5 Pekanbaru. The type of this research is PTK. The population and sample in this study were class XI students SMA Negeri 5 Pekanbaru, amounting to 36 people. The data analysis technique used is to calculate the percentage value of classical completeness. From the results of research and data analysis, this study concluded that there was an increase in learning outcomes under volleyball through the student team achievement divisions (STAD) method in class XI students SMA Negeri 5 Pekanbaru with a percentage of classical completeness in the first cycle of 56% and in the cycle II amounting to 89% so there is an increase in the percentage value of 33%.

The problem in this study is the contribution of arm muscle strength and hand eye coordination to the results of volleyball service in extracurricular students at SMA Negeri 1 Rengat. The purpose of this study was to determine whether there was a contribution of arm muscle strength and hand eye coordination to the results of volleyball service in extracurricular students at SMA Negeri 1 Rengat. Sampling is a purposive sampling technique, which amounts to 15 people. The instruments used were arm muscle strength test, eye hand coordination test and lower service test. Data analysis using product moment correlation and to find the contribution of each variable using the formula coefficient of determination. Based on the results of research conducted, it can be concluded that there is a contribution of arm muscle strength and hand eye coordination to the results of volleyball service in extracurricular students at SMA Negeri 1 Rengat. Where there is a contribution of 12.9%.

This research is aimed at knowing the contribution of muscle strength. With the ability to service under the volleyball extrscurricular male Mts Bustanul Ulum Pekanbaru. This type of research is a choleration research the population in the study is the male student’s ability to extrscurricular volleyball in Mts Bustanul Ulum Pekanbaru. There sre 14 people in pekanbaru. Because the population is small, which is less than 100 people, the entire population is made as a sample of research that is called total sampling. The test instrument used was a push up test that is (variable X) and a service test under volleyball (variable Y). Based on the results of the study concluded that there is no arm muscle strength on the ability to service under the volleyball of male students of Mts Bustanul Ulum Pekanbaru. To find magnitude of the contribution of the two variables, the formula produc moment KP= r2 x 100 %. Based on data analysis where r count (0,07) < r table (0,532), the average result of arm muscle strength (12,64) and average service down (9,78). Obtained the results of the contribution of arm muscle strength to the ability to service under volleyball for (99,51%).

The purpose of this study was to improve lower service skills by using modification tools class VIII 3 in Pekanbaru State Middle School 35. This type of research is PTK. The population in this study amounted to 34 students, then the sample taken was total sampling, which was a total of 34 students as samples. Based on the results of data processing in the implementation of the first cycle there were 28 students who achieved the KKM score (82%), and 6 students who had not yet reached the KKM score (18%). So this study continued with the implementation of the second cycle and the results increased with the number of 30 students who achieved the KKM score (88%) and 4 students who had not yet reached the KKM (12%). Thus it can be concluded that there is an increase in lower service skills using modification tools class VIII 3 in Pekanbaru State Middle School 35.

The problem in this research is that when doing service there are students and students who are not able to do service properly properly, lack of coordination of movements, lack of skills in providing more effective learning methods from teachers so students lack motivation and interest in learning ball volleyball is still low. The purpose of this study was to improve service skills below through modification of facilities and infrastructure. With the samples taken were 39 students. This type of research is PTK. Based on the results of data processing in the implementation of the first cycle there were 25 students who achieved the KKM score (64%), and 14 students who had not yet reached the KKM score (36%). So this research was continued with the implementation of the second cycle and the results increased with the number of 34 students who reached the KKM score (87%) and 5 students who had not yet achieved the KKM score (13%). Thus it can be concluded that there is an increase in service skills under the volleyball game through modification of facilities and infrastructure class VII 3 Pekanbaru 35 SMP.