Table 3. EHAD strength, EHAB strength, and EMG ratio from Copenhagen Adductor Exercise.
Study | Strength | EMG | ||||||
---|---|---|---|---|---|---|---|---|
Leg(s) | EHAD Strength | EHAB Strength | EHAD:EHAB Ratio | Adductor Longus (% MVIC) | Gluteus Medius (% MVIC) | External Abdominal Oblique (% MVIC) | Rectus Abdominis (% MVIC) | |
Harøy, J et al., 201719 | Cumulative | 8.0% increase | - | - | - | - | - | - |
(3.25 ± 0.62 to 3.51 ± 0.63 Nm/kg); (p < 0.001); (d = 0.60) | ||||||||
Nondominant | 8.5% increase | - | - | - | - | - | - | |
(3.22 ± 0.68 to 3.49 ± 0.69 Nm/kg); (p < 0.001) | ||||||||
Dominant | 7.4% increase | - | - | - | - | - | - | |
(3.29 ± 0.57 to 3.53 ± 0.58 Nm/kg) (p = 0.02) | ||||||||
Ishoi, L et al., 201621 | Cumulative | 35.7% increase | 20.3% increase | 12.3% increase | - | - | - | - |
(2.71±0.48 to 3.67 ± 0.38 Nm/kg); (p< 0.001); (d = 2.2,); 95% CI (25.83%, 45.39%) | (2.27 ± 0.41 to 2.74 ± 0.41 Nm/kg,); (p < 0.001); (d = 1.1); 95% CI (12.78%, 28.19%) | (1.22 ± 0.28 to 1.37 ± 0.23); (p = 0.019) (d = 0.6); 95% CI (2.46%, 21.31%) | ||||||
Polglass, G et al., 201922 | Right | 25% increase | 13% increase | 10% increase | - | - | - | - |
(3.46 (±0.49) to 4.32 (±0.86)); (p < 0.01) | (3.08 (±0.55)–3.5 (±0.67)); (p < 0.01) | (1.12 (±0.51) to 1.24 (±0.75)); (p < 0.01) | ||||||
Left | 24% increase | 10% increase | 12% increase | - | - | - | - | |
(3.55 (±0.53) to 4.40 (±0.64)); (p < 0.01) | (3.17 (±0.43) to 3.5 (±0.64)); (p < 0.01) | (1.12 (±0.49) to1.26 (±0.65)); (p < 0.01) | ||||||
Kohavi, B et al., 201823 | Right | 45.8% increase | 18.5% increase | 23.6% increase | - | - | - | - |
(0.84 ± 0.38 to 4.11 ± 0.76 Nm/kg); (p < 0.001); (d = 2.11) | ( 2.57 ± 0.36 to 3 ± 0.36 Nm/kg); (p < 0.01); (d = 1.18) | (1.12 ± 0.18 to 1.38 ± 0.26); (p < 0.001); (d = 0.84) | ||||||
Left | 49.4% increase | 15.1% increase | 31.5% increase | - | - | - | - | |
(2.76 ± 0.46 to 4.13 ± 0.91 Nm/kg); (p < 0.001); (d = 1.9) | (2.59 ± 0.28 to 2.96 ± 0.28 Nm/kg) (p = 0.01); (d = 1.32) | (1.07 ± 0.21 to 1.4 ± 0.35); (p = 0.001); (d = 1.14) | ||||||
Serner, A et al., 201417 | Dominant | - | - | - | - | 20 ± 3 | 29 ± 3 | 19 ± 3 |
Non-Dominant | - | - | - | - | 48 ± 3 | 36 ± 3 | 40 ± 3 |
EHAD = eccentric hip adduction strength; EHAB = eccentric hip abduction strength; MVIC = maximal voluntary isometric contraction; EMG = electromyography; CA = Copenhagen adductor exercise. Bolded p=values indicate statistically significant differences.