The variability of isokinetic ankle strength is different in healthy older men and women

•Older men are stronger than older women.•Higher torque variability in older men.•Adaptation to the isokinetics evaluation.•Different muscles need different numbers of sets.•Different muscles need different numbers of trials. In the elderly, weak lower limb muscles impair functional tasks' perf...

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Published in:Clinics (São Paulo, Brazil) Brazil), 2022-01, Vol.77, p.100125-100125, Article 100125
Main Authors: Bersotti, Felipe Marrese, Mochizuki, Luis, Brech, Guilherme Carlos, Soares, André Luiz de Seixas, Soares-Junior, Jose Maria, Baracat, Edmund Chada, Greve, Julia Maria D'Andrea, Alonso, Angelica Castilho
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Ankle
Ankle Joint - physiology
Female
Humans
Isokinetic
Male
MEDICINE, GENERAL & INTERNAL
Middle Aged
Muscle Strength
Muscle Strength - physiology
Muscle, Skeletal - physiology
Original
Range of Motion, Articular - physiology
Sex
Torque
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Summary:•Older men are stronger than older women.•Higher torque variability in older men.•Adaptation to the isokinetics evaluation.•Different muscles need different numbers of sets.•Different muscles need different numbers of trials. In the elderly, weak lower limb muscles impair functional tasks' performance. To evaluate the healthy elderly's ankle dorsiflexion and plantarflexion maximum torque and its variability in two sets of 5 RM isokinetics evaluation. 50 women (68.0 ± 4.6 years old) and 50 men (72.7 ± 8.5 years old) did two sets of ankle plantar flexor and dorsiflexor isokinetic tests at 30°/s. Peak torque, total work, and coefficient of variation were analyzed. Men did the strongest plantarflexion torque (p 
ISSN:1807-5932
1980-5322
1980-5322
DOI:10.1016/j.clinsp.2022.100125