Quadriceps muscle compensatory activations are delayed following anterior cruciate ligament reconstruction using hamstring tendon graft
Mariani, Pier Paolo
Wedi’i wahardd nes
MetadataDangos cofnod eitem llawn
Objective: To investigate compensatory and anticipatory quadriceps muscle activations before and after anterior cruciate ligament reconstruction (ACLR) using hamstrings tendon graft. Design:Twelve participants who underwent ACLR and 12 healthy controls were exposed to 10 either unpredictable or predictable perturbations of the knee joint before ACLR (T1), 2 months (T2) and 6 months (T3) after surgery. Latencies of compensatory and anticipatory postural activations in the vastus lateralis (VL), rectus femoris (RF) and vastus medialis (VM) muscles were recorded by surface electromyography with respect to the arrival of the perturbations. Results:Latency of compensatory activations was significantly delayed in ACLR compared to that in healthy participants at T1 for VL (105 ± 25 vs. 57 ± 9 ms; P<0.001), RF (102 ± 23 vs. 56 ± 9 ms; P<0.001) and VM (107 ± 24 vs. 66 ± 16 ms;P<0.001), at T2 for VL (68 ± 14 vs. 55 ± 10 ms;29 P<0.01) and at T3 for VL (105 ± 22 vs. 58 ± 7 ms;P<0.001), RF (102 ± 22 vs. 58 ± 12 ms; P<0.001) and VM (106 ± 20 vs. 63 ± 8 ms;P<0.001). Anticipatory activations occurred earlier in ACLR than in healthy participants at T1 for VL (-82 ± 64 vs. -14 ± 11 ms; P<0.05) and VM (-105 ± 32 68 vs. -9 ± 12 ms;P<0.05). Conclusion:While anticipatory quadriceps activations show no alterations, compensatory muscle activations are delayed following ACLR with hamstring graft. Post-surgical rehabilitation should address alterations in compensatory lower limb postural control.
Labanca, L., Laudani, L., Mariani, P.P. and Macaluso, A. (2020) 'Quadriceps muscle compensatory activations are delayed following anterior cruciate ligament reconstruction using hamstring tendon graft', The Knee. https://doi.org/10.1016/j.knee.2019.09.011
Dynodwr Gwrthrych Digidol (DOI)https://doi.org/10.1016/j.knee.2019.09.011
Article published in The Knee, available at https://doi.org/10.1016/j.knee.2019.09.011
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
- Sport Research Groups 
Yn dangos eitemau sy’n perthyn drwy deitl, awdur, pwnc a chrynodeb.
Early compensatory and anticipatory postural adjustments following anterior cruciate ligament reconstruction Labanca, L.; Laudani, Luca; Casabona, A.; Menotti, F.; Mariani, P.P.; Macaluso, A. (Springer, 2015-07)Purpose = Early identification of postoperative neuromuscular deficits has been advocated to prevent muscle weakness and maximize functional outcomes following anterior cruciate ligament reconstruction (ACLR). The purpose ...
Botting, Sam (Cardiff Metropolitan University, 2014)With anterior cruciate ligament injuries on the rise and cutting manoeuvres being a potent indicator, the need to examine the implication of mechanical variability after rehabilitation becomes ever apparent. Therefore ...
Auditory spatial discrimination and the mismatch negativity response in hearing-impaired individuals Cai, Yuexin; Zheng, Yiqing; Liang, Maojin; Zhao, Fei; Yu, Guangzheng; Liu, Yu; Chen, Yeubo; Chen, Guisheng (Public Library of Science, 2015)The aims of the present study were to investigate the ability of hearing-impaired (HI) individuals with different binaural hearing conditions to discriminate spatial auditory-sources at the midline and lateral positions, ...