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. 2009 Jul 8;2009(3):CD002759. doi: 10.1002/14651858.CD002759.pub2

Symons 2005.

Methods RCT 
 Method of randomisation: random selection with continuing replacement method 
 Assessor blinding: no 
 Participant blinding: not reported 
 Loss to follow‐up: 5/14 in isokinetic eccentric group 
 Intention‐to‐treat analysis: no 
 Post‐program follow up: no
Participants Location: Canada 
 N = 10‐isokinetic concentric; N = 14‐isokinetic eccentric 
 Sample: healthy adults 
 Age: mean 72 years 
 Inclusion criteria: free of any debilitating cardiovascular, lower limb musculoskeletal or neuromuscular limitations; had not participated in resistance training for a period of at least 6 months 
 Exclusion criteria: not reported
Interventions PRT (isokinet concentric versus excentric) 
 Type of Ex: voluntary contractions of the knee extensors using the specific contraction type of the training group 
 Equipment: Biodex dynamometer 
 Intensity: 10 RM 
 Frequency: Ex3 
 Reps/Sets: 10/3 
 Duration: 12 weeks 
 Setting: not reported (Gym?) 
 Supervision: not reported 
 Adherence: 90%
Outcomes Muscle strength 
 Stair climb 
 Gait speed 
 Comments on adverse events: yes
Notes Eccentric versus concentric
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear