Sex differences in knee strength deficit 1 year after anterior cruciate ligament reconstruction

Journal of Physical Therapy Science
Do Kyung Kim, Won Hah Park

Abstract

[Purpose] Little is known about the outcome differences between men and women after anterior cruciate ligament (ACL) reconstruction. Therefore, the present study aimed to compare knee muscle strength between men and women 1 year after ACL reconstruction. [Subjects and Methods] Retrospective and outcome study. Between 2012 and 2015, 35 males (mean age, 29.7 ± 010.7 years) and 35 females (mean age, 28.2 ± 11.3 years) who had undergone primary ACL reconstruction were recruited from Samsung medical centers. We assessed the strength deficit in the quadriceps (extensor) and hamstrings (flexor) at 60°/sec and 180°/sec with isokinetic testing equipment. Statistical analysis was conducted with a t-test to determine if sex differences existed in knee strength deficit. [Results] Significant differences were noted between men and women with respect to extensor muscle strength deficit. Women reported less extensor muscle strength than men did, at the angular velocities 60°/sec and 180°/sec. However, no significant sex differences were found at either velocity with respect to the strength deficit of the knee flexor muscles. [Conclusion] Compared to male patients, female patients reported significantly less extensor muscle strength and less i...Continue Reading

References

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Citations

Apr 5, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Giuseppe FilardoMaurilio Marcacci
Nov 2, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Amelia J H ArundaleAnne Fältström
Jul 16, 2020·The American Journal of Sports Medicine·Shayan Hosseinzadeh, Ata M Kiapour
Feb 22, 2018·Assistive Technology : the Official Journal of RESNA·Hauke HorstmannThomas Sanjay Weber-Spickschen
Oct 18, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Christopher KuenzeJoseph Hart

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