Hello
I would like to test the hip flexors and extensors isometric strength in supine position using the Biodex System 4. These are my options:
1. Set the starting position at 45 degrees so I can test both muscle groups simultaneously. This may give me optimal performance of both muscle groups.
2. Test the hip flexors at 0 degrees and the hip extensors at 90 degrees of hip flexion as a starting position.
Which position is best? If you have other suggestions kindly let me know.
Thank you
Mohamed
Dear Mohamed
First of all, do you mean of best for subjects comfort or for analysing data?
If you mean for analysing data make sure to choose starting position which isolate your group muscles that you want to evaluate from other muscles.
Secondly, try to be sure that all the muscles of the muscle group that you want to test are active in that starting position.
In addition, it is better to use a position which is used before in previous studies, otherwise you have to justify why you used this starting position.
I hope my answer will give a hint for choosing starting position.
All the best
Mohammad Alali
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