Table 6 Triceps extension exercise muscle activation levels (% MVC, standard deviation in brackets) average difference between surfaces and number of participants whose change in activity was greater than 5% MVC.
Surface | Muscles Studied during triceps extension exercise | |||
|---|---|---|---|---|
| Â | Rectus Abdominis | External Oblique | Internal Oblique | Erector Spinae |
Ball | 4.3 (3.6) | 3.7 (4.3) | 13.5 (12.5) | 3.4 (3.3) |
Bench | 9.8 (16.6) | 4.3 (4.0) | 16.3 (16.5) | 3.1 (2.0) |
Difference | -5.51 (14.04) | .67 (1.91) | 2.76 (5.8) | .31 (3.42) |
Increase | 0 | 0 | 0 | 1 |
Decrease | 3 | 1 | 3 | 0 |