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

Tracy 2004.

Methods RCT 
 Method of randomisation: not reported 
 Assessor blinding: not reported 
 Participant blinding: not reported 
 Loss to follow‐up: 0 (?) 
 Intention‐to‐treat analysis: N/A 
 Post‐program follow up: no
Participants Location: USA 
 N = 20 (11 in PRT) 
 Sample: healthy older adults 
 Age: mean 73.1 years (SD = 4.9) 
 Inclusion criteria: no neurological disease, free of medications known to affect the outcome measures; less than 3 hours a week of low to moderate intensity endurance exercise 
 Exclusion criteria: not reported
Interventions PRT versus control 
 1. PRT 
 Type of Ex : knee extension, each leg trained separately 
 Equipment: weight‐stack machine (Icarian) 
 Intensity: 80% of 1RM 
 Frequency: Ex3 
 Reps/Sets: 10/3 
 Duration: 16 weeks 
 Setting: lab 
 Supervision: full 
 Adherence: not reported 
 2. Control Group: no training involved
Outcomes Primary: physical function tests (including gait speed, chair rise, stair ascent/descent) 
 Secondary: muscle strength (1RM) 
 Comments on adverse events: no
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear