Back to Search
Start Over
Neuromuscular responses of the hamstring and lumbopelvic muscles during unanticipated trunk perturbations
- Source :
- Journal of sports sciences. 40(4)
- Publication Year :
- 2021
-
Abstract
- Hamstring strain often occurs when an opponent unanticipatedly perturbs an athlete's movements. We examined the neuromuscular responses of hamstring and trunk muscles during unanticipated trunk perturbations in athletes with and without a history of hamstring strain injury. Male college athletes (11 with a history of a unilateral hamstring injury and 10 without prior injury) knelt while wearing a chest harness attached to a cable that was pulled backward. They were instructed to resist the force isometrically and maintain their position when the perturbations were applied. The pressure was released with or without a cue (CUE or NoCUE). We measured trunk acceleration, three-dimensional kinematic data, and surface electromyography (EMG) signals of the erector spinae, internal oblique, gluteus maximus, biceps femoris long head, and semitendinosus muscles. Maximum trunk acceleration and displacement were greater with NoCUE in both groups (p < 0.05). EMG amplitude did not differ after perturbation of any investigated muscle. The injured group demonstrated a delayed onset of the gluteus maximus and erector spinae muscles in NoCUE versus CUE stimuli (p < 0.05). Athletes with a history of hamstring strain injury exhibited a reduced neuromuscular coordination of the lumbopelvic muscles in response to unanticipated trunk movement.
- Subjects :
- Male
medicine.medical_specialty
Paraspinal Muscles
Physical Therapy, Sports Therapy and Rehabilitation
Strain (injury)
Hamstring Muscles
Electromyography
Biceps
Physical medicine and rehabilitation
medicine
Erector spinae muscles
Humans
Orthopedics and Sports Medicine
Muscle, Skeletal
Pelvis
Hamstring injury
medicine.diagnostic_test
business.industry
Torso
musculoskeletal system
medicine.disease
Trunk
Biomechanical Phenomena
medicine.anatomical_structure
business
Hamstring
Subjects
Details
- ISSN :
- 1466447X
- Volume :
- 40
- Issue :
- 4
- Database :
- OpenAIRE
- Journal :
- Journal of sports sciences
- Accession number :
- edsair.doi.dedup.....9b4024577ed5ba3b25195b7a47163145