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Faculty of Medical Sciences

Usefulness of the Duncan Ely test for assessing abnormal activity of the m. rectus femoris in stroke patients

Lamers, M. (Mirjam) (2016) Usefulness of the Duncan Ely test for assessing abnormal activity of the m. rectus femoris in stroke patients. thesis, Human Movement Sciences.

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Abstract

The Duncan Ely test is a clinical tool to assess abnormal activity of the m. rectus femoris in children with cerebral palsy (CP). But no research is done about the Duncan Ely test as useful tool to assess abnormal activity of the m. rectus femoris in stroke patients. The aim of this study was to investigate if abnormal activity of the m. rectus femoris during dynamic surface electromyography (sEMG) corresponds with a positive result on the Duncan Ely test in stroke patients with a stiff knee gait. The secondary aim of this study was to investigate if abnormal activity of the m. rectus femoris during dynamic sEMG corresponds with buttock elevation. The study included 88 ambulatory stroke patients with a stiff knee gait (61 males and 27 females). The sEMG of the m. rectus femoris during gait were compared with the results of the Duncan Ely test. The results showed that the sensitivity of the Duncan Ely test was 79% and the positive predictive value was 75%. Area under the receiver operating characteristic (ROC) curve of the Duncan Ely test was 0.500 (95% CI = 0.324-0.676, p = 1.00). Buttock elevation had a positive predictive value of 57%. These results indicate that the Duncan Ely test may not be a useful tool to assess abnormal activity of the m. rectus femoris in stroke patients

Item Type: Thesis (UNSPECIFIED)
Supervisor name: Tenniglo, M. (Martin) and Otter, R. den (Rob)
Faculty: Medical Sciences
Date Deposited: 29 Apr 2022 13:29
Last Modified: 29 Apr 2022 13:29
URI: https://umcg.studenttheses.ub.rug.nl/id/eprint/3168

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