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Table 2 Comparison of force values attained by participants with small, medium-sized and large hands measured with the manugraphy and Biometrics-system. For each participant maximum and mean grip force were calculated regarding the dominant and the non- dominant hand

From: Parameters influencing hand grip strength measured with the manugraphy system

Measuring device Parameter N Hand length ≤17.5 Resultant force (N) SD N Hand length 17.5- ≤ 19 cm Resultant force (N) SD N Hand length > 19 cm Resultant force (N) SD p
manugraphy maximum force, 150 mm cylinder, dominant hand 53 329.04 79.06 53 484.87 134.44 46 651.17 166.78 < 0.001
mean force, 150 mm cylinder, dominant hand 53 291.04 78.62 53 439.68 132.68 46 589.81 167.92 < 0.001
maximum force, 150 mm cylinder, non-dominant hand 53 322.66 95.40 53 460.77 120.14 46 631.93 168.14 < 0.001
mean force, 150 mm cylinder, non- dominant hand 53 286.69 93.03 53 414.93 119.37 46 571.44 168.09 < 0.001
maximum force, 200 mm cylinder, dominant hand 53 273.69 65.55 53 383.78 118.03 46 505.90 145.70 < 0.001
mean force, 150 mm cylinder, dominant hand 53 240.09 66.29 53 342.52 117.33 46 456.24 141.69 < 0.001
maximum force, 200 mm cylinder, non-dominant hand 53 265.85 77.45 53 358.28 111.38 46 479.99 136.76 < 0.001
Biometrics mean force, 200 mm cylinder, non-dominant hand 53 233.08 75.96 53 317.56 108.56 46 429.38 135.48 < 0.001
maximum force, handle position 3, dominant hand 53 236.62 72.20 53 283.17 88.19 46 341.98 94.08 < 0.001
mean force, handle position 3, dominant hand 53 206.79 68.47 53 250.06 88.88 46 306.27 97.71 < 0.001
maximum force, handle position 3, non-dominant hand 53 227.19 74.16 53 260.55 82.99 46 326.57 85.05 < 0.001
mean force, handle position 3, non-dominant hand 53 198.75 70.93 53 229.36 80.34 46 291.65 85.94 < 0.001
maximum force, handle position 4, dominant hand 53 204.24 64.75 53 245.54 77.59 46 306.56 86.13 < 0.001
mean force, handle position 4, dominant hand 53 178.25 60.63 53 218.96 77.20 46 286.75 88.47 < 0.001
maximum force, handle position 4, non-dominant hand 53 192.08 65.24 53 226.22 75.05 46 286.74 76.52 < 0.001
mean force, handle position 4, non-dominant hand 53 167.85 61.51 53 199.34 73.48 46 252.99 78.68 < 0.001