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Table 3 Studies not included in the cumulative effect size estimates

From: The Effect of Resistance Training Interventions on ‘The Self’ in Youth: a Systematic Review and Meta-analysis

Study Country Participant details Intervention details   
N Age (years ± sd) Pubertal stage (Tanner) Weight status % males Sex of training group Location Weeks × per week (min per session) Sets/reps/intensity Exercises Assessment tool Outcomes Quality score
Faigenbaum et al. [31] USA EG 24, CG 9 EG 10.8 ± 0.4, CG 10 ± 0.4 1–2 Healthy 46 Mixed Community 8 weeks × 2 (60 min) 2–3 sets, 6–8 reps, 6 RM Leg extension, chest press, leg curl, overhead press, bicep curl The Martinek Zaichkowsky Self-concept Scale for Children [41] Adapted Self-efficacy Scale [42] Self-concept, self-efficacy upper body, self-efficacy lower body 3
Holloway et al. [30] USA EG 13, CG 18 EG 16, CG 16 / Healthy 0 Females School—free time 12 weeks × 3 (60 min) 3 sets, 3–10 reps, 65–80% 1 RM Free weight Olympic-style parallel back squat, bench press, behind-the-neck standing shoulder press, bent-over rows, abdominal crunches The Physical Self-efficacy Scale [43] Total self-efficacy, weight training efficacy, physical task efficacy, perceived physical ability, physical self-presentation, physical self-efficacy 2
Mullane et al. [32] USA EG 20 EG 10.5 ± 0.5 1 Mixed 90 Mixed Community 8 weeks × 2 (45 min) Circuit 60–90s, 6 exercises Leg press, assisted pull ups, shoulder press, bicep curls, pushups, sit ups Adapted Children’s Self-efficacy Scale [44] Self-efficacy of exercise 2
  1. “/” indicates no data available
  2. EG experimental group, CG control group, sd standard deviation, rep repetition, max maximum, RM repetition maximum