ORIGINAL ARTICLE
The relationship between the dynamic and static function of abdominal muscles

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Thirty-eight field force soldiers were studied to investigate the influence of training with repetitive dynamic curl-ups on the static holding capacity of abdominals for lumbopelvic control when load was progressively applied via lower limb movements. Results indicated that when high numbers of curl-ups (>51) were able to be performed continuously, the static capacity of the abdominals was higher (p <0.01). However, the ability to statically hold was found to be even more dependent on the speed at which the curl-up was performed (p <0.0001). Those regularly performing the curl-up at a rapid rate demonstrated decreased static abdominal function. The results suggest that when training the abdominals for a stability function, curl-up exercises should be performed at a slow controlled rate.

Key words

Exercise
Abdominal muscles
Isometric contraction
Isotonic contraction

Cited by (0)

1

Deborah Wohlfahrt BPhty(Hons), MPhtySt is a physiotherapist and captain in the Royal Australian Army Medical Corps, Duntroon.

2

Gwendolen Jull MPhty, GradDipManipTher, FACP is a senior lecturer in the Department of Physiotherapy, University of Queensland.

3

Carolyn Richardson BPhty(Hons), PhD is a senior lecturer in the Department of Physiotherapy, University of Queensland.