Isokinetic eccentric exercise substantially improves mobility, muscle strength and size, but not postural sway metrics i
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ORIGINAL ARTICLE
Isokinetic eccentric exercise substantially improves mobility, muscle strength and size, but not postural sway metrics in older adults, with limited regression observed following a detraining period Anthony David Kay1 · Anthony John Blazevich2 · Millie Fraser1 · Lucy Ashmore1 · Mathew William Hill3 Received: 27 February 2020 / Accepted: 4 August 2020 © The Author(s) 2020
Abstract Introduction Eccentric exercise can reverse age-related decreases in muscle strength and mass; however, no data exist describing its effects on postural sway. As the ankle may be more important for postural sway than hip and knee joints, and with older adults prone to periods of inactivity, the effects of two 6-week seated isokinetic eccentric exercise programmes, and an 8-week detraining period, were examined in 27 older adults (67.1 ± 6.0 years). Methods Neuromuscular parameters were measured before and after training and detraining periods with subjects assigned to ECC (twice-weekly eccentric-only hip and knee extensor contractions) or ECCPF (identical training with additional eccentric-only plantarflexor contractions) training programmes. Results Significant (P
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