Strength training intervention

Primary prevention of sports injuries

Sports injury data and/or analysis

Trial participants free of injury at inclusion

Randomised controlled trial

Adequate/sufficient volume, intensity and character of intervention

Adequate follow-up period for strength training to have effect (estimated to 1–2 months)

Conducted in humans

Reported in English

Peer-reviewed publications

Intervention elements other than strength training

Influencing pathology (eg, relevant previous injury, connective tissue disease, arthritis)

Surrogate measures of injury (eg, reduced range of motion, radiology diagnosis only)

Any use of devices (eg, kinesiotaping, protectors, orthoses, insoles)

Any means of transportation (eg, bicycles, skis, equestrian)

Inadequate design of control arms