Table 2. Results for strength and power (F
rel; P
rel) for the Leg Press (LP), Leg Curl (LC), Abdominal Press (AP) and Back Extension (BE) for both groups at 1 week before intervention (pre-test), 1 week after intervention (post-test), and 3 weeks after intervention (re-test). Data are means (±SD).
|
Parameter |
Group |
pre-test |
post-test |
re-test |
Cohen’s d (pre-post) |
Cohen’s d (pre-re) |
| LP |
Frel (N·kg-1) |
S+E |
50.4 (3.3) |
63.3 (13.6) * |
64.8 (8.8) * |
1.30 |
2.16 |
| S |
48.1 (11.1) |
57.8 (16.6) * |
61.8 (20.6) * |
.69 |
.83 |
| Prel (W·kg-1) |
S+E |
21.1 (3.6) |
22.3 (3.7) |
23.1 (4.5) * |
.35 |
.50 |
| S |
19.6 (4.7) |
19.5 (4.6) |
21.0 (4.5) * |
.02 |
.31 |
| LC |
Frel (N·kg-1) |
S+E |
18.0 (1.5) |
19.0 (1.5) |
19.5 (1.5) * † |
.69 |
1.05 |
| S |
15.7 (3.3) |
16.5 (2.5) |
15.8 (2.3) † |
.27 |
.04 |
| Prel (W·kg-1) |
S+E |
9.8 (1.1) |
10.9 (1.5) * |
10.5 (1.3) |
.85 |
.50 |
| S |
9.1 (2.0) |
9.1 (1.7) |
9.3 (2.1) |
.01 |
.14 |
| AP |
Frel (N·kg-1) |
S+E |
12.6 (1.4) |
12.2 (1.4) |
12.5 (1.1) |
.25 |
.06 |
| S |
11.9 (1.8) |
11.6 (1.6) |
12.1 (1.1) |
.17 |
.11 |
| BE |
Frel (N·kg-1) |
S+E |
18.4 (4.8) |
21.3 (4.8) * |
22.4 (5.0) * |
.59 |
.81 |
| S |
18.7 (6.0) |
20.2 (6.1) * |
20.4 (5.1) * |
.26 |
.31 |
* indicates significant differences to pre† indicates significant differences between groups (p < 0.05). Groups: S (strength); S+E (strength + EMS).
