Department of Kinesiology, Inha University, Incheon 22212, Korea.
Institute of Sports and Arts Convergence (ISAC), Inha University, Incheon 22212, Korea.
Medicina (Kaunas). 2020 Jul 3;56(7):335. doi: 10.3390/medicina56070335.
: Anterior cruciate ligament reconstruction (ACLR) often results in quadricep atrophy. The purpose of this study was to compare the bilateral thickness of each quadricep component before and after ACLR. Cross-sectional study design. In 14 patients who underwent ACLR, bilateral quadricep muscle thicknesses were measured using a portable ultrasound device, 1 h before and 48-72 h after ACLR. Two-way analysis of variance (ANOVA) was used to compare muscle thickness pre- and post-ACLR between the limbs. The primary finding was that the vastus intermedius (VI) muscle was significantly smaller in the reconstructed limb after ACLR compared to that in the healthy limb (Reconstructed limb; RCL = Pre-operated (PRE): 19.89 ± 6.91 mm, Post-operated(POST): 16.04 ± 6.13 mm, Healthy limb; HL = PRE: 22.88 ± 6.07, POST: 20.90 ± 5.78 mm, F = 9.325, = 0.009, ηp = 0.418). The results represent a selective surgical influence on the quadricep muscle thickness. These findings highlight the need of advanced strengthening exercises in order to restore VI thickness after ACLR.
前交叉韧带重建（ACLR）常导致股四头肌萎缩。本研究旨在比较 ACLR 前后双侧股四头肌各成分的厚度。
横断面研究设计。在 14 例行 ACLR 的患者中，使用便携式超声设备在 ACLR 前 1 小时和后 48-72 小时测量双侧股四头肌肌肉厚度。采用双向方差分析（ANOVA）比较 ACLR 前后肢体之间的肌肉厚度。
主要发现是，与健侧相比，ACLR 后重建侧的股中间肌（VI）明显较小（重建侧；RCL=术前（PRE）：19.89 ± 6.91mm，术后（POST）：16.04 ± 6.13mm，健侧；HL=PRE：22.88 ± 6.07，POST：20.90 ± 5.78mm，F=9.325，=0.009，ηp=0.418）。
这些结果代表了手术对股四头肌厚度的选择性影响。这些发现强调了在 ACLR 后恢复 VI 厚度需要进行高级强化锻炼。
