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Abdominal curl up 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 during |
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| Surface |
Muscles studied during abdominal curl up exercise |
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| Rectus Abdominis |
External Oblique |
Internal Oblique |
Erector Spinae |
|
|
|
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| Ball |
29.0 (33.1) |
23.2 (20.6) |
32.9 (27.6) |
3.2 (3.5) |
| Bench |
25.7 (16.6) |
21.1 (13.4) |
27.1 (16.4) |
6.2 (10.6) |
| Difference |
3.36(20.6) |
2.17 (11.65) |
5.82 (18.2) |
3 (7.61) |
| Increase |
2 |
2 |
4 |
0 |
| Decrease |
2 |
3 |
2 |
1 |
Lehman et al. Dynamic Medicine 2005 4:6 doi:10.1186/1476-5918-4-6 |
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