Table 2.

Three Types of Pinch (Confidence Intervals, Mean, and Standard Deviation) Divided into Left and Right Hand Dominant Participants

Men (n = 250) Type of Pinch	Weight of Left-Handed Men, Kg, CI, Mean (SD), N = 42	Weight of Right-Handed Men, Kg, CI, Mean (SD), N = 206	Mean Differences Between Hand Dominance	Independent Sample t-test Right and Left Hand, P value
Two-point pinch(right hand)	5.5–6.8, $\stackrel{-}{\text{x}}$6.2 (2.2)	6.6–7.3, $\stackrel{-}{\text{x}}$7 (2.4)	0.8221	.044
Two-point pinch (left hand)	5.6–7.2, $\stackrel{-}{\text{x}}$6.4 (2.5)	6.1–6.8, $\stackrel{-}{\text{x}}$6.5 (2.2)	0.1121	.768
Three-point pinch (right hand)	7.6–9.2, $\stackrel{-}{\text{x}}$8.4 (2.7)	9.2–9.9, $\stackrel{-}{\text{x}}$9.6 (2.7)	1.2496	.006
Three-point pinch (left hand)	7.8–9.3, $\stackrel{-}{\text{x}}$8.5 (2.5)	8.4–9.1, $\stackrel{-}{\text{x}}$8.8 (2.6)	0.4730	.270
Lateral (right hand)	7.9–9.3, $\stackrel{-}{\text{x}}$8.6 (2.2)	9.5–10.2, $\stackrel{-}{\text{x}}$9.9 (2.5)	1.3199	.002
Lateral (left hand)	7.9–9.5, $\stackrel{-}{\text{x}}$8.7 (2.5)	9–9.6, $\stackrel{-}{\text{x}}$9.3 (2.4)	0.7214	.076

Women (n = 270) Type of Pinch	Weight of Left-Handed Women, Kg, CI, Mean (SD), N = 23	Weight of Right-Handed Women, Kg, CI, Mean (SD), N = 245	Mean Differences Between Hand Dominance	Independent Sample t-test Right and Left Hands, P value
Two-point pinch(right hand)	4.3–6, $\stackrel{-}{\text{x}}$5.2 (1.9)	4.7–5.2, $\stackrel{-}{\text{x}}$5 (1.9)	−0.1043	.804
Two-point pinch (left hand)	4.3–6, $\stackrel{-}{\text{x}}$5.3 (1.8)	4.3–4.8, $\stackrel{-}{\text{x}}$4.6 (1.8)	−0.5911	.145
Three-point pinch(right hand)	5.6–7.6 , $\stackrel{-}{\text{x}}$6.6 (2.3)	6.2–7, $\stackrel{-}{\text{x}}$6.9 (2)	0.4049	.430
Three-point pinch (left hand)	6–7.9, $\stackrel{-}{\text{x}}$7 (2.2)	6.2–7, $\stackrel{-}{\text{x}}$6.9 (2.2)	−0.3387	.492
Lateral (right hand)	6.3–8.3, $\stackrel{-}{\text{x}}$7.3 (2.2)	6.8–7.3, $\stackrel{-}{\text{x}}$7 (1.9)	−0.2785	.578
Lateral (left hand)	6.4–8.3, $\stackrel{-}{\text{x}}$7.3 (2.2)	6.3–6.8, $\stackrel{-}{\text{x}}$6.6 (1.9)	−0.7559	.129

Significant differences were found between right and left hand pinch strength in men.