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[Purpose] The purpose of this study was to investigate the effects of trunk stabilization exercise on the transvers abdominalis (TA) and internal oblique (IO) muscle activity and balance ability of normal subjects. [Subjects and Methods] Forty healthy male subjects without orthopedic history of the lower extremity were selected for the present study. The experimental group received a hollowing exercise, curl-up and bridging exercise. The control group received a pelvic tilting exercise in the sitting position for the same period of time. [Results] Significant differences in the post-training gains in Balance index, TA, IO were observed between the experimental group and the control group. [Conclusion] The trunk stabilization exercise improved the balance ability and increased the activity of the TA and IO muscle.

[Purpose] The purposes of this study were to strengthen gluteus maximus and trunk muscles depending upon the hip joint direction by bridging exercise on an unstable and stable surface, and to suggest an intervention method for efficient and selective exercise. [Participants and Methods] The test measured the muscle activities with the external rotation and internal rotation of 25 degrees and hip joint neutral position of 0 degree on a stable and unstable surface each exercise 3 times for 9 seconds. [Results] External oblique abdominis showed a higher muscle activity on the unstable surface and internal rotation. Erector spinae showed no significant difference on the surfaces and demonstrated the highest muscle activity at the internal rotation. Gluteus maximus showed a higher muscle activity on the stable surface and external rotation and the interaction effect between the surface and the angle indicated a statistical significance as well. [Conclusion] Muscle activities appear different depending upon the change of surface and joint angle, and it can be said that the correct mobilization of muscle fiber relying on the muscle arrangement direction and muscle contraction direction is the most important factor for gluteus maximus.

[Purpose] The purpose of this study was to investigate activities of the hip extensors and erector spinae during bridging exercise by using instruments with a laser pointer on the pelvic belt. [Subjects] Twelve subjects (age, 23 to 33 years) with non-specific low back pain volunteered for this study. [Methods] Subjects performed bridging exercises with and without trajectory exercises by using a laser pointer fixed to a pelvic strap. The erector spinae, gluteus maximus and hamstring activities with and without trajectory exercises using a laser pointer were recorded on using electromyography. [Results] Compared to the without laser pointer group, the group that underwent bridging with trajectory exercises using a laser pointer had significantly higher gluteus maximus activity and significantly lower erector spinae activity. Significantly higher gluteus maximus/erector spinae activity ratios were observed when performing trajectory exercises using a laser pointer during bridging exercises. [Conclusion] This result suggests that trajectory exercises using a laser pointer during a bridging exercise would be effective for improving gluteus maximus activity.

[Purpose] This study investigated the muscle activity differences of three different lumbar stabilization exercises in a comparison of middle-aged and young women. [Subjects] Seventeen middle-aged women and fifteen young women were enrolled in this study. Patients with a history of any neurologic disorders, orthopedic disorders, or cardiopulmonary problems that would have affected their lumbar stabilization exercise performance were excluded. [Methods] All subjects performed 3 exercises while the surface electromographic activity was recorded of the rectus abdominis, internal oblique, multifidus, and iliocostalis lumbolum. The mean electromyographic amplitudes obtained during the exercise were normalized to the amplitude of maximal voluntary isometric contraction (%MVIC) to produce an inter-individually comparable muscle activity index. [Results] The highest muscle activity of middle-aged women was observed in the ring bridging exercise. The middle-aged women had higher levels of all muscle activaties than the young women, particularly in the multifidus muscle and iliocostalis lumborum. No significant difference in muscle activity ratio was observed between the local muscles and global muscles in the three different exercises, though the muscle activity ratio was the highest in the ring bridging exercise. The young women group showed a higher ratio of the internal oblique/rectus abdominus than the middle aged women in the bridging exercise. [Conclusion] The ring bridging exercise should be used for stabilizing the lumbar area because the young women showed a higher ratio than the middle aged women.

[Purpose] The purpose of this study was to examine the effects of the flexion angle of the knee joint and the abduction angle of the hip joint on the activation of the cervical region and abdominal muscles. [Subjects] A total of 42 subjects were enrolled 9 males and 33 females. [Methods] The bridging exercise in this study was one form of exercise with a knee joint flexion angle of 90°. Based on this, a bridging exercise was conducted at the postures of abduction of the lower extremities at 0, 5, 10, and 15°. [Result] The changes in the knee joint angle and the hip abduction angle exhibited statistically significant effects on the cervical erector spinae, adductor magnus, and gluteus medius muscles. The abduction angles did not result in statistically significant effects on the upper trapezium, erector spinae, external oblique, and rectus abdominis muscles. However, in relation to the knee joint angles, during the bridging exercise, statistically significant results were exhibited. [Conclusion] When patients with both cervical and back pain do a bridging exercise, widening the knee joint angle would reduce cervical and shoulder muscle activity through minimal levels of abduction, permitting trunk muscle strengthening with reduced cervical muscle activity. This method would be helpful for strengthening trunk muscles in a selective manner.

[Purpose] The purpose of this study was to identify the effects of bridging exercise on different support surfaces on the thickness of the musculus transversus abdominis and lower extremity muscle activities. [Subjects] Thirty-five students of H University. [Methods] The experimental group (n=18) performed bridging exercise on the sling support surface, and the control group (n=17) performed bridging exercise on a general support surface. [Results] Thickness changes in the musculus transversus abdominis were 0.35 cm in the experimental group, and 0.17 cm in the control group, suggesting that the experimental group showed a more significant change. For the lower extremity muscular activity, there was a significant difference between the experimental group and the control group only in the biceps femoris muscle. [Conclusion] Based on these results, we consider that bridging exercise on a sling support surface would increase the thickness of the transversus abdominis and lower extremity muscle activities in rehabilitation programs for patients with back pain.

2016 DIAN ANGRIANI, C13112013. ???Pengaruh Bridging Exercise Terhadap Peningkatan Kekuatan Otot Glutei Pada Pasien Post Stroke Di Rumah Sakit Umum Daerah Sinjai???. Dibimbing oleh Yusfina dan Pither Damma. Latar belakang: Penderita stroke cenderung akan mengalami gangguan kekuatan otot khususnya kekuatan otot glutei yang menunjang manusia untuk melakukan kegiatan ambulansi. Salah satu latihan penguatan sekaligus stabilisasi yang baik pada glutei adalah Bridging exercise. Penelitian ini bertujuan untuk mengetahui pengaruh Bridging Exercise terhadap peningkatan kekuatan otot Glutei pada pasien post stroke di Rumah Sakit Umum Daerah Sinjai. Metode: Penelitian ini merupakan penelitian pre-eksperimental dengan rancangan one group pretest posttest design. Responden penelitian dipilih berdasarkan kriteria inklusi. Data yang diambil adalah pasien yang datang berobat kerumah sakit dengan keluhan kelemahan otot glutei yang melakukan terapi sebanyak 6 kali. Hasil: Hasil penelitian menunjukkan kekuatan otot glutei meningkat secara signifikan dari 3,25 meningkat menjadi 4,45. Dari uji wilcoxon yang dilakukan, didapatkan nilai signifikan 0,001 yang berarti ada perbedaan pengaruh yang bermakna antara pre test dan post test setelah diberikan intervensi bridging exercise terhadap kekuatan otot glutei pada pasien post stroke. Kesimpulan: Pemberian intervensi bridging exercise secara bermakna, dapat berpengaruh terhadap perubahan peningkatan kekuatan otot glutei.

2016 RESKY SYAMSURIYANA HALMU C13112104 pengaruh pemberian Bridging Exercise terhadap tingkat keseimbangan duduk dan berdiri pasien pasca stroke berdasarkan Berg Balance Scale Stroke merupakan gangguan saraf otak yang disebabkan oleh kerusakan pembuluh darah di otak yang terjadi dalam temp sekitar 24 jam atau lebih. Gangguan sensoris dan motorik pasca stroke mengakibatkan gangguan keseimbangan termasuk kelemahan otot, penurunan fleksibilitas jaringan lunak, serta gangguan kontrol sensomotorik. Bridging Exercise merupakan bentuk latihan untuk membantu meningkatkan keseimbangan duduk dan berdiri khususnya pada penderita stroke. Metode penelitian yang digunakan adalah memberikan latihan Bridging Exercise terhadap tingkat keseimbangan duduk dan berdiri kepada 20 orang pasien pasca stroke yang telah diukur sebelumnya menggunakan Berg Balance Scale Hasil penelitian menunjukkan bahwa terdapat perbedaan antara data pre-test dan post-test RESKY SYAMSURIYANA HALMU C13112104 The Effect of Bridging Exercise on Sitting and Stand Up Balance Control Patient With Pasca-Stroke by Berg Balance Scale Stroke is a neurogical brain disorder cause by damage to blood vesel in the brain that occurs within 24 hours or more. Sensory and motor disorders pasca stroke lead of soft tissue, as well as motor control and sensory disturbances. Bridging exercise is a form of exercise to help improve sitting and stand up balance, expecially in patients with stroke. This study used to give Bridging Exercise training on sitting and stand up balance for 20 patient pasca stroke that have been measured by Berg Balance Scale The result showed there is difference between pre-test and post-test

[Purpose] The aim of this study was to investigate the influence of an unstable surface on trunk and lower extremity muscle activities during various types of bridging exercises. [Subjects] Thirty healthy female adults voluntarily participated in this study. [Methods] All subjects were asked to perform 3 different bridging exercises (bridging exercise, single leg lift bridging exercise, single leg cross bridging exercise) with and without an unstable surface. The trunk and lower extremity muscle activities were measured by using surface electromyography during bridging exercise. [Results] During the bridging exercise (BE), single leg lift bridging exercise (LBE), and single leg cross bridging exercise (CBE), the muscle activities of the external oblique muscle (EO), erector spinae (ES), and biceps femoris (BF) were significantly higher on an unstable surface than on a stable surface. The muscle activities of the EO on both sides, contralateral BF, and ipsilateral ES were significantly higher during LBE than during BE and CBE. [Conclusion] Use of an unstable surface increases muscle activity of the trunk and lower extremities, and single leg lift bridging exercise increases the muscle activity of the EO on both sides, ipsilateral ES, and contralateral BF.

[Purpose] This study compared the activities of the abdominal and hip extensor muscles between the bridging exercise (BE) and bridging exercise with hip adduction (BEHA) positions in women using electromyography (EMG). [Subjects] We recruited 14 healthy adult females with no history of low back pain. [Methods] The subjects performed bridging exercises with and without hip adduction. The EMG activities of the rectus abdominis (RA), external oblique (EO), internal oblique (IO), and gluteus maximus (GM) muscles were recorded. [Result] The EMG activities of all muscles were significantly increased during the BEHA compared to the BE. [Conclusion] The bridging exercise with hip adduction produced greater activation of the abdominal and hip extensor muscles.

[Purpose] This study investigated the effects of the bridging plus exercise with heel lift on lower extremity muscles. [Subjects and Methods] Nine healthy males participated. The subjects performed bridging exercises under two conditions. Surface electromyography was used to measure the electrical activities of the medial hamstring (MH) and the gluteus maximus (GM) muscles. [Results] Activation of the MH muscle during bridging with heel lift decreased, and activation of the GM muscle during bridging with heel lift increased compared to those with the bridging exercise. [Conclusion] This result showed that bridging plus exercises with heel lift could be an effective exercise for patients with compensatory mechanisms during bridging exercises, such as weak GM with hamstring tightness.

[Purpose] This study investigated the efficacy on postural control of a bridging exercise in order to suggest a pertinent procedure for the bridging exercise. [Subject] One poststroke hemiplegic patient who had received surgery for lumbar spinal stenosis participated in this study [Methods] A reverse ABAB single-case experimental design was used. To assess postural control, foot pressure and the stability limit test were evalulated once a week a total of 4 times during the intervention period. [Results] Noticeable improvement in the distribution of foot pressure and increased stability limit were shown after performing the bridging exercise supervised by a physical therapist. [Conclusion] Bridging exercise on a plinth is effective at balancing body weight-bearing and resulted in the patient putting her weight on both feet evenly and in both the anterior and posterior directions.

The aims of this study were to compare the activation of global and local muscles of the trunk during bridging with sling exercise (BSE), bridging with ball exercise (BBE), and normal bridging exercise (NBE) and to conduct and analyze these exercises in supine and prone positions to prove the effectiveness of sling exercises. Thirty patients with current low back pain (LBP) were recruited. In the supine and prone bridging exercise, each subject lifted their pelvis with their legs and feet in contact with the sling, ball, or normal surface. The electrical activities of the inferior oblique (IO), rectus abdominis (RA), multifidus (MF), and erector spinae (ES) muscles during the bridging exercises on the 3 surfaces were measured using surface electromyography (sEMG). For normalization, maximum sEMG signals were evaluated during each maximum voluntary isometric contraction (MVIC) maneuver. The root mean square during the exercise was normalized as a percentage of the MVIC (%MVIC). In the supine and prone positions, %MVIC of the IO, RA, MF, and ES during BSE was significantly higher than those during BBE and NBE (p0.05). In the supine position, %MVIC of the RA and ES during BBE was significantly higher than that during NBE (p0.05). In the prone position, all %MVIC during BBE were significantly higher than NBE (p0.05). These results verify the theory that the use of an unstable surface increases the activation of global and local trunk muscles during bridging exercises in the supine and prone positions. In conclusion, the use of BSE in a rehabilitation program may have therapeutic effects for patients with LBP by increasing trunk muscle activation. Key pointsCompared with the BBE and NBE, the BSE increased the %MVIC values of the IO, RA, MF, and ES muscles in the supine and prone positions in the patients with LBP.We verified that activation of the global and local trunk muscles was increased by the use of unstable surfaces during the bridging exercises in the supine and prone positions.The BSE was shown to be an effective exercise method for patients with LBP in a rehabilitation program by increasing trunk muscle activation.