Diminished sub-maximal quadriceps force control in anterior cruciate ligament reconstructed patients is related to quadriceps and hamstring muscle dyskinesia
Journal article
Telianidis, Stacey, Perraton, Luke, Clark, Ross Allan, Pua, Yong-Hao, Fortin, Karine and Bryant, Adam. (2014). Diminished sub-maximal quadriceps force control in anterior cruciate ligament reconstructed patients is related to quadriceps and hamstring muscle dyskinesia. Journal of Electromyography and Kinesiology. 24(4), pp. 513 - 519. https://doi.org/10.1016/j.jelekin.2014.04.014
Authors | Telianidis, Stacey, Perraton, Luke, Clark, Ross Allan, Pua, Yong-Hao, Fortin, Karine and Bryant, Adam |
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Abstract | The aim of this study was to determine the effects of anterior cruciate ligament reconstruction (ACLR) on sub-maximal quadriceps force control with respect to quadriceps and hamstring muscle activity. Thirty ACLR individuals together with 30 healthy individuals participated. With real-time visual feedback of muscle force output and electromyographic electrodes attached to the quadriceps and hamstring muscles, subjects performed an isometric knee extension task where they increased and decreased their muscle force output at 0.128 Hz within a range of 5–30% maximum voluntary capacity. The ACLR group completed the task with more error and increased medial hamstring and vastus medialis activation (p < 0.05). Moderate negative correlations (p < 0.05) were observed between quadriceps force control and medial (Spearman’s rho = −0.448, p = 0.022) and lateral (Spearman’s rho = −0.401, p = 0.034) hamstring activation in the ACLR group. Diminished quadriceps sub-maximal force control in ACLR subjects was reflective of medial quadriceps and hamstring dyskinesia (i.e., altered muscle activity patterns and coordination deficits). Within the ACLR group however, augmented hamstring co-activation was associated with better quadriceps force control. Future studies should explore the convergent validity of quadriceps force control in ACLR patients. |
Keywords | force control; ACL reconstruction; muscle activation; quadriceps; hamstrings |
Year | 2014 |
Journal | Journal of Electromyography and Kinesiology |
Journal citation | 24 (4), pp. 513 - 519 |
Publisher | Elsevier Ltd |
ISSN | 1873-5711 |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.jelekin.2014.04.014 |
Scopus EID | 2-s2.0-84902351589 |
Page range | 513 - 519 |
Research Group | Sports Performance, Recovery, Injury and New Technologies (SPRINT) Research Centre |
Place of publication | United Kingdom |
https://acuresearchbank.acu.edu.au/item/86697/diminished-sub-maximal-quadriceps-force-control-in-anterior-cruciate-ligament-reconstructed-patients-is-related-to-quadriceps-and-hamstring-muscle-dyskinesia
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