In vivo assessment of the passive stretching response of the bicompartmental human semitendinosus muscle using shear-wave elastography
Adam Kositsky, David J. Saxby, Kim J. Lesch, Rod Barrett, Heikki Kröger, Olli Lahtinen, Laura E. Diamond, Rami K. Korhonen, Lauri Stenroth
Abstract
We conducted an elastography-based investigation of the passive stretching response of the proximal and distal compartments of the human semitendinosus muscle and found no difference in shear modulus-joint angle curves between compartments. We also found that common musculoskeletal models tend to misestimate semitendinosus slack angle, most likely due to typical model assumptions. These results provide an important step toward a better understanding of semitendinosus passive muscle mechanics and improving computational estimates of muscle force.
Topics & Concepts
Semitendinosus muscleShear modulusAnatomyPassive stretchingKnee JointViscoelasticityModulusShear (geology)Materials scienceShear forceElastographyTendonBiomedical engineeringComposite materialMedicineSurgeryPhysicsRange of motionUltrasoundAcousticsMuscle activation and electromyography studiesSports injuries and preventionLower Extremity Biomechanics and Pathologies