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Parameters influencing hand grip strength measured with the manugraphy system
Alice Wichelhaus1, Christoph Harms2, Julia Neumann2
1Clinic for Trauma, Hand and Reconstructive Surgery, University of Rostock Medical School, Schillingallee 35, 18057, Rostock, Germany. alice.wichelhaus@med.uni-rostock.de.
BMC Musculoskeletal Disorders
|February 16, 2018
Summary
Men exhibit greater hand strength than women, and larger hand length correlates with increased grip force. A new manugraphy system provides valid and reproducible hand strength measurements comparable to traditional methods.
Area of Science:
- Biomechanics
- Human physiology
- Clinical measurement
Background:
- Hand strength assessment is crucial in clinical and research settings.
- Existing methods like the Jamar dynamometer have limitations.
- Novel measurement systems are needed for more precise hand strength evaluation.
Purpose of the Study:
- To investigate the influence of sex, hand length, and training status on hand strength.
- To compare hand strength measurements obtained using a new manugraphy system versus a Jamar dynamometer.
Main Methods:
- 152 healthy adults participated in the study.
- Hand strength was measured using a new manugraphy system and a Jamar dynamometer.
- Statistical analyses included descriptive statistics, correlation, and multiple linear regression.
Main Results:
- Men demonstrated significantly greater hand strength than women.
- Hand length was positively correlated with hand strength; smaller hands exerted less force.
- Training status (work or leisure activities) did not show a consistent impact on hand strength.
Conclusions:
- The new manugraphy system offers valid and reproducible hand strength measurements, comparable to the Jamar dynamometer.
- Manugraphy allows for precise comparisons of isolated hand regions and dynamic measurements.
- This system is suitable for clinical research, providing detailed hand strength data.
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