Muscle damage response in female collegiate athletes following repeated sprint activity

Keane, Karen, Salicki, Rebecca, Goodall, Stuart, Thomas, Kevin and Howatson, Glyn (2015) Muscle damage response in female collegiate athletes following repeated sprint activity. The Journal of Strength and Conditioning Research, 29 (10). pp. 2802-2807. ISSN 1064-8011

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Exercise induced muscle damage (EIMD) is a well-investigated area, however there is a paucity of data surrounding the damage response in females. The aim of this study was to examine the damage responses from a sport-specific bout of repeated sprints in female athletes. Eleven well-trained females (mean ± SD; age 22 ± 3 y, height 166.6 ± 5.7 cm, mass 62.7 ± 4.5 kg) in the luteal phase of the menstrual cycle completed a repeated sprint protocol designed to induce EIMD (15 × 30 m sprints). Creatine kinase (CK), countermovement jump height (CMJ), knee extensor maximum voluntary contraction force (MVIC), muscle soreness (DOMS), 30 m sprint time and limb girth were recorded pre, post, 24 h, 48 h and 72 h post exercise. CK was elevated at 24, 48 and 72 h (p < 0.05), peaking at 24 h (+418%) and returning towards baseline at 72 h. CMJ height was reduced immediately post, 24 and 48 h (p < 0.05). Sprint performance was also negatively affected immediately post, 24 h, 48 h and 72 h post exercise. Muscle soreness peaked at 48 h (p<0.01) and remained significantly elevated at 72 h post exercise (p<0.01). Limb girth and MVIC did not alter over time. The current study provides new information on the EIMD response in trained females following a sport specific bout of repeated sprints. Importantly, this damage response has the potential to negatively affect performance for several days post-exercise.

Item Type: Article
Additional Information: PMID: 25853920
Uncontrolled Keywords: females; muscle function; recovery; exercise-induced muscle damage
Subjects: C600 Sports Science
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Glyn Howatson
Date Deposited: 03 Jul 2015 07:54
Last Modified: 11 Nov 2017 17:55

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