| Population |
Healthy male and female athletes (defined as participants who engaged in organized sports training and competition) with a mean age ≥ 18 years |
Older adults (65 and over), disabled athletes, injured athletes |
| Intervention |
Training program needed to last for a minimum of 4 weeks (or 12 training sessions) with at least 2 sessions per week
Resistance training interventions including free weights, machine weights, isokinetic devices, elastic bands, resisted running and plyometrics |
Combined interventions containing no resistance exercises (e.g. sprint or endurance running, balance exercises) or nutritional, pharmacological, physiological and psychological aids |
| Comparator |
No restriction |
| Outcome |
Studies that tested maximum strength performance (in kg or Ib) or maximum running speed performance distance or maximum running endurance performance (in units of time) as a dependent variable |
Athletic performance was tested by isokinetic condition, VO2max, power measurements (e.g. in Watts), and jumping tests |
| Study design |
Randomised and non-randomised controlled trials |
Systematic reviews, cohort studies, case-control studies, cross sectional studies |
