Table 3. Summary of the studies’ characteristics included in this review.
| Study | Participant | Sex | Age | Exercise level | Intervention characteristics | Outcomes | ||
|---|---|---|---|---|---|---|---|---|
| Type | Frequency | Length | ||||||
| Mischenko et al. (2021) [64] | 20 | F | 16–17 years | Professional WTF taekwondo athletes | EG: CrossFit, Rope-skipping, Tai-bo, Ki-bo, and Fightball Training CG: Routine Training | 3 times/week | 9 months | SS↑ Running 100 m↑ PU↑ 1 min RS↑ SLJ↑ Attack speed↑ |
| Osipov et al. (2019) [67] | 31 | M | 16–17 years | Elite judo athletes | EG: CrossFit Training CG: Circular Training | 3 times/week | 10 months | Competition score↑ |
| Yüksel et al. (2019) [70] | 32 | M | 21.72 ±1.40 years | Amateur wrestlers | EG: CrossFit Training CG: Classical Wrestling Training | 3 times/week, | 8 weeks | Bench press↑ Squat jump↑ |
| Ambroży et al. (2022) [59] | 60 | M | 20.07 ± 1.46 years | Professional kickboxers | EG: CrossFit Training CG: Conventional Kickboxing Training | 3 times/week | 8 weeks | Dynamic sit-ups↑ SLJ↑ Tapping↑ Cooper test↑ SR↑ Shuttle run 10x5 m↑ Movement speed↑ |
| Kudryavtsev et al. (2023) [63] | 44 | M | 21.06±3.42 years | Elite sambo athletes | EG: CrossFit Training CG: Strength Training | 3 times/week | 4 weeks | Rank position↑ |
| Zhu. (2023) [69] | 24 | NR | 19.824±0.469 years | Professional aerobic gymnastics athletes | EG: CrossFit training CG: Normal aerobics training | NR | 9 weeks | STMB↑ SR↑ Movement performance score↑ |
| Osipov et al. (2022) [65] | 53 | M | 17.22±1.37 years | Elite judo athletes | EG: CrossFit Training CG: Strength Training | 4 times/week | 8 weeks | Pull up↑ |
| Galimova et al. (2018) [62] | 40 | NR | 18–19 years | College boxer | EG: CrossFit Training CG: Traditional training | 4 times/week | 12 weeks | Attack strength↑ |
| Türker & Yüksel. (2020) [68] | 32 | M | 20.8 ± 1.15 years | Professional wrestlers | EG1: Classic CrossFit EG2: CrossFit AMRAP | 3 times/week | 8 weeks | Anaerobic power↑ |
| Caloglu & Yuksel. (2020) [41] | 40 | M | 21.33 ± 1.78 years | Professional wrestlers | EG: CrossFit Training CG: No additional training | 3 times/week | 8weeks | Anaerobic power↑ Dynamic balance↑ |
| Avetisyan et al. (2022) [60] | 20 | M | 11 ± 0.64 years | Junior judo athletes | EG: CrossFit Training CG: Traditional Training | 2 times/week | 5 months | Pull-up↑ SLJ↑ Shuttle run time 4 × 10 m↔ Burpees (repetitions in 30 s) ↔ |
| Bozdoğan. (2021) [61] | 22 | F | 16.41±1.29 years | Professional Volleyball Players | EG: HIFT CG: Routine training | 2 times/week | 12 weeks | Shuttle run10 x 20 m↑ CMJ↑ |
| Osipov et al. (2017) [66] | 60 | NR | 20–21 years | Professional martial arts athletes | EG: CrossFit Training CG: Circular and Interval Training | 2 times/week | 6 months | Competition endurance↑ |
M, male; F, female; NR, no record; EG, experiment group; CG, control group; HIFT = high-intensity functional training; SS, side split; PU, pull up; RS, rope skipping; SLJ, standing long jump; SR, sit and reach; STMB, side throw medicine ball; CMJ, counter movement jump. ↑, significant improvement; ↔, no significant difference.