Comparing Grip Strength Measurement Devices
Author Information
Author(s): Gränicher Pascale, Maurer Yael, Spörri Jörg, Haller Bernhard, Swanenburg Jaap, de Bie Rob A., Lenssen Ton A. F., Scherr Johannes
Primary Institution: Balgrist University Hospital, University of Zurich
Hypothesis
Are the JAMAR® Smart and Martin Vigorimeter comparable to the JAMAR® Hydraulic in measuring grip strength?
Conclusion
The JAMAR® Smart is a reliable alternative to the JAMAR® Hydraulic, while the Martin Vigorimeter should not be used interchangeably due to significant measurement discrepancies.
Supporting Evidence
- The JAMAR® Hydraulic is the gold standard for grip strength measurement.
- High reliability was found across all devices tested.
- Significant differences in measurements were noted between the Martin Vigorimeter and the JAMAR® Hydraulic.
Takeaway
This study tested different devices for measuring grip strength to see if they give similar results. The JAMAR® Smart works well, but the Martin Vigorimeter can be misleading.
Methodology
An observational study with 40 healthy participants measuring grip strength using three devices across multiple attempts.
Potential Biases
The sample was homogeneous, which may limit generalizability to other populations.
Limitations
The study's findings may not apply to older adults or those with health conditions affecting grip strength.
Participant Demographics
40 healthy adults aged 18-64, balanced gender distribution.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI (0.68–0.98)
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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