Zhongguo gu shang = China journal of orthopaedics and traumatology · 2026
[Effect of exoskeleton robot on lower limb function in the early rehabilitation stage of patients after anterior cruciate ligament reconstruction].
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Feng Pengpeng, Zhu Aibin, Shi Xiuxiu, Wang Guishan, Shen Yang, Bao Bingsheng, Li Jiahang, Li Xiao
Аннотация
OBJECTIVE: To investigate the clinical efficacy of exoskeleton-assisted training on lower limb functional recovery in the early rehabilitation phase following anterior cruciate ligament reconstruction (ACLR).
METHODS: Between February 2024 and August 2024, 20 patients who were 2 to 3 weeks after anterior cruciate ligament reconstruction (ACLR) were selected, including 13 males and 7 females, with ages ranging from 18 to 45 years old (28.5±6.2) years old. These patients were divided into a conventional rehabilitation group and an exoskeleton-assisted group, with 10 patients in each group. The conventional rehabilitation group consisted of 6 males and 4 females, with a mean age of (24.60±1.78) years old, and received routine rehabilitation training. The exoskeleton-assisted group included 7 males and 3 females, with a mean age of (25.20±1.93) years old;on the basis of conventional rehabilitation, exoskeleton robot assistance was applied during gait training for this group. Both groups underwent a 4-week intervention program, five days per week. Lower limb function was assessed pre-intervention and at 4 weeks post-intervention using the Lysholm knee score, visual analogue scale (VAS) for pain, knee flexion range of motion (ROM), and center of pressure (COP) displacement area.
RESULTS: Postoperative wound healing was satisfactory with no complications such as infection or re-injury. All 20 patients completed the 4-week intervention and assessments. After 4 weeks of intervention, the Lysholm scores of both groups were significantly higher than those before intervention;the score of the exoskeleton-assisted group (82.30±4.15) was higher than that of the conventional rehabilitation group (72.60±4.88), with a statistically significant difference(P<0.001). The VAS score of the exoskeleton-assisted group (2.38±0.52) was lower than that of the conventional rehabilitation group(3.45±0.69), with a statistically significant difference (P=0.001);the knee flexion ROM of the exoskeleton-assisted group(124.50±5.34)° was greater than that of the conventional rehabilitation group (115.80±5.76)°, with a statistically significant difference(P=0.002);the COP displacement area of the exoskeleton-assisted group (6.28±0.94) cm2 was smaller than that of the conventional rehabilitation group (8.45±1.12) cm2, with a statistically significant difference (P<0.001).
CONCLUSION: Exoskeleton-assisted robotic training more effectively improves early knee function, reduces pain, increases joint range of motion, and enhances balance control in patients following ACLR. It may be applied as an optimized approach for early postoperative rehabilitation.
METHODS: Between February 2024 and August 2024, 20 patients who were 2 to 3 weeks after anterior cruciate ligament reconstruction (ACLR) were selected, including 13 males and 7 females, with ages ranging from 18 to 45 years old (28.5±6.2) years old. These patients were divided into a conventional rehabilitation group and an exoskeleton-assisted group, with 10 patients in each group. The conventional rehabilitation group consisted of 6 males and 4 females, with a mean age of (24.60±1.78) years old, and received routine rehabilitation training. The exoskeleton-assisted group included 7 males and 3 females, with a mean age of (25.20±1.93) years old;on the basis of conventional rehabilitation, exoskeleton robot assistance was applied during gait training for this group. Both groups underwent a 4-week intervention program, five days per week. Lower limb function was assessed pre-intervention and at 4 weeks post-intervention using the Lysholm knee score, visual analogue scale (VAS) for pain, knee flexion range of motion (ROM), and center of pressure (COP) displacement area.
RESULTS: Postoperative wound healing was satisfactory with no complications such as infection or re-injury. All 20 patients completed the 4-week intervention and assessments. After 4 weeks of intervention, the Lysholm scores of both groups were significantly higher than those before intervention;the score of the exoskeleton-assisted group (82.30±4.15) was higher than that of the conventional rehabilitation group (72.60±4.88), with a statistically significant difference(P<0.001). The VAS score of the exoskeleton-assisted group (2.38±0.52) was lower than that of the conventional rehabilitation group(3.45±0.69), with a statistically significant difference (P=0.001);the knee flexion ROM of the exoskeleton-assisted group(124.50±5.34)° was greater than that of the conventional rehabilitation group (115.80±5.76)°, with a statistically significant difference(P=0.002);the COP displacement area of the exoskeleton-assisted group (6.28±0.94) cm2 was smaller than that of the conventional rehabilitation group (8.45±1.12) cm2, with a statistically significant difference (P<0.001).
CONCLUSION: Exoskeleton-assisted robotic training more effectively improves early knee function, reduces pain, increases joint range of motion, and enhances balance control in patients following ACLR. It may be applied as an optimized approach for early postoperative rehabilitation.