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Traditional versus functional strength training: effects on muscle strength and power in the elderly
Lohne-Seiler H, Torstveit MK, Anderssen SA
Journal of Aging and Physical Activity 2013 Jan;21(1):51-70
clinical trial
5/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

The aim was to determine whether strength training with machines versus functional strength training at 80% of one-repetition maximum improves muscle strength and power among the elderly. Sixty-three subjects (69.9 +/- 4.1 yr) were randomized to a high-power strength group (HPSG), a functional strength group (FSG), or a nonrandomized control group (CG). Data were collected using a force platform and linear encoder. The training dose was 2 times/wk, 3 sets x 8 reps, for 11 wk. There were no differences in effect between HPSG and FSG concerning sit-to-stand power, box-lift power, and bench-press maximum force. Leg-press maximum force improved in HPSG (19.8%) and FSG (19.7%) compared with CG (4.3%; p = 0.026). Bench-press power improved in HPSG (25.1%) compared with FSG (0.5%, p = 0.02) and CG (2%, p = 0.04). Except for bench-press power there were no differences in the effect of the training interventions on functional power and maximal body strength.

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