Age and Grip Strength Predict Hand Dexterity in Adults

N2 - The objective of this study is to examine the relationship among anthropometric dimensions, grip span, discomfort, gender, and grip strength. The 24 volunteer subjects (12 males, 12 females) performed five grips squeezing their hardest for 2 minutes at each of the five grip spans on the Jamar grip dynamometer. The grip strength was recorded using the UPC software and then averaged for each of the 30 second intervals. The data was analyzed using ANOVA, post-hoc (Tukey) hypothesis tests, and regression. In the ANOVA analysis gender, grip span, time, and the interactions of gender-grip span, grip span-time, and time-gender were determined to be the significant effects. In all four of the 30 second intervals, average grip strength was significantly higher for males than females. Female average grip strength was found to be 70% of male average grip strength. The post-hoc (Tukey) tests showed that grip spans 3,4, and 2 were significantly higher than grip spans 5 and 1. The anthropometry of several segments of the hand were found to be important predictors of grip strength and discomfort in the stepwise regressions. Grip span 4 had the highest average severity of discomfort, while grip span 1 had the most areas of the hand experiencing discomfort.

T1 - Gender, grip span, anthropometric dimensions, and time effects on grip strength and discomfort

Haward, B.M., & Griffin, M.J. (2002). Repeatability of grip strength and dexterity tests and the effects of age and gender. International archives of occupational and environmental health, 75(1-2), 111-119.


Age and Grip Strength Predict Hand Dexterity in ..

Measurements of the forearm and hand were found to be better predictors of grip strength than were height and weight.

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Breakaway strength increased with grip strength and age, ..

AB - Falls from playground equipment are a major cause of childhood injury and death. The purpose of this experiment was to quantify children's maximum capacity to hang onto a rung and to determine how this strength varies for factors such as hand dominance and gender. Breakaway strength (a measure of the maximum capacity to hang onto a handhold) was measured for 130 children ages 5-11 on a 38.1mm diameter horizontal cylinder. Breakaway strength was significantly affected by hand dominance (p=0.022) and gender (p=0.015), with breakaway strength being greater for males and the dominant hand. Significant covariate predictors for breakaway strength included hand length and the interaction between gender and grip strength. Breakaway strength increased with grip strength and age, and more so for males than females. Breakaway strength normalized by bodyweight shows that female participants on average and young children (age 5) of both sexes could not support their bodyweight with one hand. The results suggest that playground handholds similar to the handhold tested here may not be suitable for all children.

This is Nathan Rambukkana: Obey him! - Barrel Strength

N2 - Falls from playground equipment are a major cause of childhood injury and death. The purpose of this experiment was to quantify children's maximum capacity to hang onto a rung and to determine how this strength varies for factors such as hand dominance and gender. Breakaway strength (a measure of the maximum capacity to hang onto a handhold) was measured for 130 children ages 5-11 on a 38.1mm diameter horizontal cylinder. Breakaway strength was significantly affected by hand dominance (p=0.022) and gender (p=0.015), with breakaway strength being greater for males and the dominant hand. Significant covariate predictors for breakaway strength included hand length and the interaction between gender and grip strength. Breakaway strength increased with grip strength and age, and more so for males than females. Breakaway strength normalized by bodyweight shows that female participants on average and young children (age 5) of both sexes could not support their bodyweight with one hand. The results suggest that playground handholds similar to the handhold tested here may not be suitable for all children.

Anne and Gender | The Creation of Anne Boleyn

Falls from playground equipment are a major cause of childhood injury and death. The purpose of this experiment was to quantify children's maximum capacity to hang onto a rung and to determine how this strength varies for factors such as hand dominance and gender. Breakaway strength (a measure of the maximum capacity to hang onto a handhold) was measured for 130 children ages 5-11 on a 38.1mm diameter horizontal cylinder. Breakaway strength was significantly affected by hand dominance (p=0.022) and gender (p=0.015), with breakaway strength being greater for males and the dominant hand. Significant covariate predictors for breakaway strength included hand length and the interaction between gender and grip strength. Breakaway strength increased with grip strength and age, and more so for males than females. Breakaway strength normalized by bodyweight shows that female participants on average and young children (age 5) of both sexes could not support their bodyweight with one hand. The results suggest that playground handholds similar to the handhold tested here may not be suitable for all children.