Ultrasound and Finger Force Study of Forearm Muscles
Author Information
Author(s): Sofia Brorsson, Anna Nilsdotter, Marita Hilliges, Christer Sollerman, Ylva Aurell
Primary Institution: Halmstad University
Hypothesis
The study aims to evaluate the usefulness of an ultrasound-based method for examining extensor muscle architecture and its relationship with finger extension force.
Conclusion
Ultrasound is a useful tool for studying muscle architectures in the extensor digitorum communis, revealing important parameters for force development.
Supporting Evidence
- Significant differences in muscle parameters were found between men and women.
- The mean finger extension force for men was 96.7 N and for women 39.6 N.
- Muscle volume and CSA were related to extension force in men, while muscle thickness was related in women.
Takeaway
This study looked at how muscles in the forearm work when you stretch your fingers, using special pictures from ultrasound to see the muscles better.
Methodology
Ultrasound measurements were taken of the extensor digitorum communis muscle in 40 healthy subjects while measuring finger extension force.
Limitations
The study did not measure the range of motion in the distal tendon during muscle contraction, which could affect results.
Participant Demographics
40 healthy subjects (20 men and 20 women) aged 35–73 years.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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