Table 2. Characteristics of Included Studies studying swimming performance (n = 11).
Author (Year) Quality Assessment Subject Characteristics Age (Mean±SD) S&C Training Intervention Performance Measurements Outcome Measurements
Karpinski et al (2020) 12 N=16: 16M
National level
EG: 20.2 ± 1.17
CG: 20.0 ± 1.9
Core strengthening training (6-week)
EG: Core Strengthening Training
CG: Normal Training
50m FC Swim Stroke Biomechanics
SL & SR
Gourgoulis et al (2019) 9 N=12: 12F
Regularly trained and Moderate
performance level
Overall:
13.08 ± 0.9
In-water resistance training (11-week)
EG: Resistance training with Water Parachute
CG: Normal Training
50, 100, 200m FC Swim Stroke Biomechanics
SL, SR, Mean Swimming Velocity
Morais et al (2018) 8 N=27: 11M, 16F
Regional/National Level
Overall:
13.3 ± 0.85
In-water & dry-land S&C Training
(34-week)
100m FC Swim Stroke Biomechanics
SL, SF, & SV
Muscle Strength
Throwing Velocity
Amaro et al (2017) 12 N=21: 21M
National Level
EG1: 12.7 ± 0.8
EG2: 12.7 ± 0.8
CG: 12.6 ± 0.8
Dry-land S&C training (6-week)
EG1: Sets & Repetitions Training
EG2: Explosiveness Training
CG: Normal Training
50m FC Swim Muscle Strength
Vertical Jump
Ball Throwing
Patil et al (2014) 11 N=60: 38M, 22F
Competitive Level
M: 14.7 ± 1.29
F: 13.4 ± 1.50
Core strengthening training (6-week)
EG: Core Strengthening
CG: Normal Swimming Training
50m FC Swim Stroke Biomechanics
SR, SL, SV
Muscle Strength
Functional Core Muscle Strength
Girold et al (2012) 11 N=24: 12M, 12F
National Level
Overall:
21.8 ± 3.9
Dry-land strength or Electrical Stimulation (ES) Training (4-week)
EG1: Strength Training
EG2: ES Training
CG: Normal Training
50m FC Swim
(Expressed in Mean Velocity)
Stroke Biomechanics
SL, SR
Muscle Strength
Extension Peak Torque
Sadowski et al (2012) 4 N=26: 26M
Regularly Trained
Overall:
14.0 ± 0.5
Dry-land Power Training (6-week)
EG: Power Training with Ergometer
CG: Normal Training
25m FC Swim
(Expressed in SV)
Stroke Biomechanics
SF, Distance Per Stroke
Muscle Strength
Isometric Shoulder Strength Test
Tethered Swimming Force
Garrido et al (2010) 7 N=25: 14M, 11F
Competitive Level
Overall: 12.08 ± 0.76
EG: 12.0 ± 0.78
CG: 12.18 ± 0.75
Combined Strength and Aerobic Training (8-week)
EG: Strength Training
CG: Normal Training
25m, 50m FC Swim
(Expressed in SV)
Swimming Biomechanics
Active Drag, Drag Coefficient
Muscle Strength
6RM Bench Press & Leg Extension Tests, CMJ & Ball Throwing
Aspenes et al (2009) 10 N=20: 8M, 12F
Regularly Trained
EG: 17.5 ± 2.9
CG: 15.9 ± 1.1
Combined Strength and Endurance Training (11-week)
EG: Maximal Strength and Endurance Training
CG: Normal Training
50m, 100m, 400m
FC Swim
Stroke Biomechanics
SL, SR, Maximum SV (**25m sprint)
Muscle Strength
Bilateral Shoulder Extension Measurement
Tethered Swimming Force
Girold et al
(2007)
8 N= 21: 10M, 11F
Regional/National Level
Overall:
16.5 ± 3.5
Dry-land strength training OR resisted &
assisted training (RAS) (12-week)
EG1: Strength Training
EG2: RAS Training
CG: Normal Training
50m FC Swim Stroke Biomechanics
SL, SR
Muscle Strength
Flexion & Extension Peak Torque
Girold et al (2006) 10 N=37: 16M, 21F
Competitive Level
Overall:
17.5 ± 3.5
Resisted or Assisted sprint training (3-week)
EG1: Resisted Training
EG2: Assisted Training
CG: Normal Training
100m FC Swim Stroke Biomechanics
SR
Muscle Strength
Flexion & Extension Peak Torque
Unit: m: meter. Abbreviations: CG: Control Group; CMJ: Countermovement jump test; EG: Experimental Group; ES: Electrical Stimulation; F: Female FC: Front Crawl (Freestyle); M: Male; RM: Repetition(s); RAS: Resisted & Assisted Training; S&C: Strength and Conditioning; SD: Standard Deviation; SF: Stroke Frequency; SL: Stroke Length; SR: Stroke Rate; SV: Swimming Velocity.