Publication: Assessment of the relationship between rectus femoris cross-sectional area and knee extension strength in the prosthesis users with transtibial amputation: A case-control study
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Date
2022-03-01
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Abstract
Objectives: This study aims to investigate cross-sectional area of the amputated-limb rectus femoris compared to the intact-limb and controls and to determine its correlation with functional strength and walking tests in prosthesis users with transtibial amputation. Patients and methods: Between October 2018 and April 2019, a total of 14 prosthesis users (12 males, 2 females; mean age: 47.1 +/- 16.2 years; range, 26 to 73 years) who met the inclusion criteria, and 14 age-, sex-, and dominancy-matched able-bodied controls (12 males, 2 females; mean age: 47.1 +/- 16.2 years; range, 26 to 73 years) were included in this case-control study. Cross-sectional area of rectus femoris (CSA-RF) was evaluated bilaterally by two independent examiners. Knee extension strength was measured bilaterally by using a handheld dynamometer. Functional strength and walking were assessed by Step-Up-Over and Walk-Across tests of the NeuroCom Balance Master (R) device. Results: The CSA-RF was found to be reduced in amputated-limb compared to the intact-limb and able-bodied controls (p<0.01). In the prosthesis users, the cross-sectional area difference between both limbs rectus femoris muscles was shown to be correlated with actual and functional knee extension strength, step length, and walking speed (p<0.05). Intra-and inter-observer reliability of CSA-RF on both sides were found to be good to excellent (intraclass correlation coefficient: 0.856-0.936). Conclusion: Ultrasonographic measurement of CSA-RF is a valid and reliable tool to assess the functional strength and walking in the prosthesis users with unilateral transtibial amputation.
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Tıp, Sağlık Bilimleri, Dahili Tıp Bilimleri, Fiziksel Tıp ve Rehabilitasyon, Medicine, Health Sciences, Internal Medicine Sciences, Physical Medicine and Rehabilitation, REHABİLİTASYON, Klinik Tıp, Klinik Tıp (MED), REHABILITATION, CLINICAL MEDICINE, Clinical Medicine (MED), Chiropractics, Rehabilitation, Physical Therapy, Sports Therapy and Rehabilitation, Amputees, muscle strength, rectus femoris, rehabilitation, LOWER-LIMB AMPUTATION, MUSCLE THICKNESS, AMPUTEES, BALANCE, ACCELEROMETER, INDIVIDUALS, CHILDREN, FORCE, Amputees, muscle strength, rectus femoris, rehabilitation
Citation
Atalay K. G., Coskun O. K., Giray E., GÜNDÜZ O. H., YAĞCI İ., "Assessment of the relationship between rectus femoris cross-sectional area and knee extension strength in the prosthesis users with transtibial amputation: A case-control study", TURKISH JOURNAL OF PHYSICAL MEDICINE AND REHABILITATION, 2022