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KMID : 0361620120470020111
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Journal of the Korean Orthopaedic Association
2012 Volume.47 No. 2 p.111 ~ p.118
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Recovery of Muscle Power Following Early Weight-Bearing and Ankle Exercise after Surgical Repair of Acute Achilles Tendon Rupture
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Jun Ah-Young
Hwang Boo-Geun
Cha Seung-Hwan
Kim Do-Yong
Kim Hyong-Nyun
Park Yong-Wook
Lee Sang-Soo
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Abstract
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Purpose: The purpose of this study was to evaluate the clinical results of early functional treatment after surgical repair of acute Achilles tendon rupture and to evaluate the isokinetic and isometric concentric plantar fl exion peak torque and muscle endurance. We wanted to provide objective results of the functional improvement and the effect of early rehabilitation.
Materials and Methods : On a retrospective basis, we studied 52 cases of acute Achilles tendon rupture who visited our clinic between March 2007 and August 2009. Eleven patients (9 male, 2 female) were available for the follow-up more than 12 months and their mean fi nal follow-up duration was 18.2 (12 to 39) months. We performed early weight-bearing and ankle exercise after surgical repair of acute Achilles tendon rupture. At fi nal follow-up, patients were evaluated with clinical and functional examination using Arner-Lindholm scale and American Foot and Ankle Society (AOFAS) Ankle-Hindfoot scale and patients’ subjective satisfaction. In addition, the isokinetic and isometric concentric plantar fl exion peak torque and muscle endurance were evaluated.
Results: Evaluating the clinical results using the Arner-Lindholm scale, we had 4 excellent cases and 7 good cases. The average AOFAS score was 88.9 (68 to 100) points at fi nal follow-up. The patients’ subjective satisfaction was excellent in 5 cases and good in 6 cases. The isokinetic concentric plantar fl exion peak torque was restored to 92.2% (30o/sec) and 97.0% (120o/sec) in relation to the intact side at fi nal follow-up. The isometric concentric plantar fl exion peak torque was restored to 89.4% at 10o dorsifl exion, 84.4% at neutral, and 84.0% at 20o plantar fl exion of the ankle position in relation to the intact side. The muscle endurance of ankle plantar fl exor was 62.37% for the intact side and 59.16% for the injured side that there was no difference between the intact and injured side (p=0.79).
Conclusion: The clinical results and the satisfactory restoration of muscle power and endurance support early full weight bearing and exercise as an acceptable form of rehabilitation.
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KEYWORD
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Achilles tendon, acute Achilles tendon rupture, early rehabilitation, muscle strength, muscle endurance
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