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

Izquierdo 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: Spain 
 N = 10 in PRT, N = 11 in endurance training 
 Sample: healthy men 
 Age: mean 64.8 years (SD = 2.6) 
 Inclusion criteria: had not participated in regular resistance/endurance training or competitive sports for the last 5 years 
 Exclusion criteria: cardiovascular, neuromuscular, arthritic, pulmonary, other debilitating diseases
Interventions PRT versus endurance training (aerobic) 
 1. PRT 
 Type of Ex: 4LL/3UL 
 Equipment: resistance machines (Technogym) 
 Intensity: first 8 weeks, 50‐70% of 1 RM; last 8 weeks, 70‐80% of 1RM 
 Frequency: Ex2 
 Reps/Sets: first 8 weeks: 10‐15/3; last 8 weeks: 5‐6/3‐5 
 Duration: 16 weeks + 4 weeks for baseline testing 
 Setting: training facility 
 Supervision: full by researchers 
 Adherence: at least 90% to be considered compliant and remain in the study 
 2. Endurance training group: mean age =68.2 years, endurance cycling at 60 rpm, the work‐rate level was increased or decreased accordingly
Outcomes Muscle strength (1RM‐half squat) 
 Cycling test 
 Comments on adverse events: no
Notes Data from PRT and aerobic training group were compared
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear