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Résumé et points clés
Exercise training (EX) and weight loss (WL) improve lower extremity physical function (LEPF) in older overweight women; however, effects on rate of torque development (RTD) are unknown. This study aimed to determine the effects of WL + EX or WL alone on RTD, and relatedly LEPF, in overweight older women. Leg strength was assessed using isokinetic dynamometry, and RTD was calculated (RTD200 = RTD at 200 ms, RTDPeak = peak RTD, T2P = time to 1st peak). LEPF was determined via clinical functional tasks. Women (n = 44, 69.1 ± 3.6 years, 30.6 ± 4.3 kg/m2) completed a 6-month trial in EX + WL or WL groups with similar weight loss (-9.8 ± 4.2%, p > .95). EX + WL had greater improvements in (a) most LEPF tasks (p < .001) and (b) RTD200, compared with WL (36% vs. -16%, p = .031); no other RTD parameters differed. Changes in RTD parameters and LEPF were not related (all p > .05). RTD is responsive to EX but is not associated with LEPF in older women.
Références de l'article
- Weight Loss and Exercise Effects on Rate of Torque Development and Physical Function in Overweight Older Women.
- Williams ER, Straight CR, Wilson HK, Lynall RC, Gregory CM, Evans EM
- Journal of aging and physical activity
- 2023
- J Aging Phys Act. 2022 Nov 21;31(3):458-464. doi: 10.1123/japa.2022-0032. Print 2023 Jun 1.
- Aged, Female, Humans, Exercise, *Muscle Strength, *Overweight/therapy, Torque, Weight Loss
- Sans_Catégorie
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- Traduction automatique en Français sur Google Translate
- DOI: 10.1123/japa.2022-0032
- PMID: 36410339
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