Noelle Moreau1, Li Li, Diane L Damiano. 1. Department of Kinesiology, Louisiana State University, Baton Rouge, Louisiana 70803, USA.
Abstract
PURPOSE: To develop a reliable and feasible isokinetic fatigue protocol for the knee flexors and extensors in individuals with cerebral palsy (CP) who are ambulatory. METHODS: Twelve subjects with CP, 10 to 23 years old, participated in the study. The protocol consisted of repeated maximum voluntary concentric knee flexion and extensions at 60 degrees /sec for a minimum of 35 repetitions. Fatigue Index (FI) and slope of the linear regression were computed. Reliability tests conducted a week later with five of the 12 subjects. Intraclass correlation coefficients were calculated for test-retest reliability. RESULTS: All subjects completed 35 repetitions, with only half reaching a 50% decline. All fatigue parameters were reliable for both knee flexors and extensors (slope: 0.94 and 0.97; slope/peak torque: 0.83 and 0.99; FI: 0.73 and 0.86, respectively). CONCLUSIONS: This isokinetic fatigue protocol is reliable and feasible for children and young adults with mild to moderate CP.
PURPOSE: To develop a reliable and feasible isokinetic fatigue protocol for the knee flexors and extensors in individuals with cerebral palsy (CP) who are ambulatory. METHODS: Twelve subjects with CP, 10 to 23 years old, participated in the study. The protocol consisted of repeated maximum voluntary concentric knee flexion and extensions at 60 degrees /sec for a minimum of 35 repetitions. Fatigue Index (FI) and slope of the linear regression were computed. Reliability tests conducted a week later with five of the 12 subjects. Intraclass correlation coefficients were calculated for test-retest reliability. RESULTS: All subjects completed 35 repetitions, with only half reaching a 50% decline. All fatigue parameters were reliable for both knee flexors and extensors (slope: 0.94 and 0.97; slope/peak torque: 0.83 and 0.99; FI: 0.73 and 0.86, respectively). CONCLUSIONS: This isokinetic fatigue protocol is reliable and feasible for children and young adults with mild to moderate CP.
Authors: Viviane B Minamoto; Kentaro P Suzuki; Shannon N Bremner; Richard L Lieber; Samuel R Ward Journal: Muscle Nerve Date: 2015-06-30 Impact factor: 3.217
Authors: Laura Muñoz-Bermejo; Jorge Pérez-Gómez; Fernando Manzano; Daniel Collado-Mateo; Santos Villafaina; José C Adsuar Journal: PLoS One Date: 2019-12-17 Impact factor: 3.240