Exploring the effects of a weighted vs unweighted low-dose isometric Copenhagen adduction exercise training programme on hip adduction and abduction strength: a randomised controlled trial in senior-level male amateur rugby union players

Review written by Dr Stacey Hardin info

Key Points

  1. This study looked at low dose weighted vs. unweighted Copenhagen isometric exercises. In the weighted group, significant between group differences were found in the hip adduction:abduction strength ratio.
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BACKGROUND AND OBJECTIVE

The Copenhagen adduction exercise is a well-studied exercise which has been proven to increase eccentric and isometric adductor strength, hip abduction strength and hip add:abd strength ratios (1).

The objective of the study was to compare the effectiveness of a low-dose isometric weighted Copenhagen adduction exercise program and a low-dose unweighted Copenhagen adduction exercise program, specifically evaluating changes in hip adduction strength, hip abduction strength, and hip adduction:abduction strength ratio.

The Copenhagen adduction exercise has been proven to increase eccentric and isometric adductor strength, hip abduction strength and hip add:abd strength ratios.
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Adding external load to an isometric Copenhagen adduction exercise provides an effective stimulus for hip strength gains compared to an unweighted low-dose isometric Copenhagen adduction program.

METHODS

31 male amateur rugby union players completed the study. Participants were excluded if they reported hip/groin pain at the beginning of the study but were included if they reported a previous hip/groin pain or injury.

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