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Table 3 Descriptive statistics of demographic and hand-forearm anthropometric variables

From: Analysis of hand-forearm anthropometric components in assessing handgrip and pinch strengths of school-aged children and adolescents: a partial least squares (PLS) approach

Variable

Boys (n = 1391)

Girls (n = 1246)

Mean ± SD

Min-Max

Mean ± SD

Min-Max

Age (years)

13.2 ± 3.7

7–18

12.6 ± 2.9

7–18

Stature (cm)

158.1 ± 9.1

108–193

148.8 ± 8.6

106–176

Weight (kg)

54.4 ± 8.5

24.1–84.3

44.8 ± 7.1

23.4–77.2

BMI

23.5 ± 9.0

18.8–34.8

22.1 ± 8.6

17.5–30.2

Hand length (cm)

17.6 ± 1.1

11.8–21.6

15.8 ± 0.9

10.0-20.5

Palm length (cm)

9.5 ± 0.8

7.1–12.0

8.9 ± 0.7

6.4–11.5

Hand breadth across thumb (cm)

8.6 ± 0.66

6.7–10.3

8.1 ± 0.60

6.3–9.3

Hand breath metacarpal (cm)

7.1 ± 0.51

5.4–8.1

6.5 ± 0.46

5.1–7.4

Hand circumference (cm)

19.5 ± 1.9

14.7–23.4

17.6 ± 1.6

14.1–21.3

Fist length (cm)

8.3 ± 0.68

6.4–10.2

7.9 ± 0.56

5.9–9.5

Fist circumference (cm)

22.4 ± 1.5

13.5–27.2

20.3 ± 1.3

13.2–25.6

Maximum Internal grip diameter (cm)

3.3 ± 0.55

1.8–4.6

3.0 ± 0.49

1.7-4.0

Thumb length (digit 1) (cm)

5.2 ± 0.49

4.1–6.3

4.8 ± 0.53

4.0-5.8

Index finger length (digit 2) (cm)

6.4 ± 0.43

5.3–7.8

5.9 ± 0.46

5.1–7.2

Middle finger length (digit 3) (cm)

7.0 ± 0.46

5.8–8.4

6.5 ± 0.47

5.6-8.0

Ring finger length (digit 4) (cm)

6.6 ± 0.51

4.8–7.5

6.0 ± 0.42

4.6–6.9

Pinky finger length (digit 5) (cm)

5.4 ± 0.48

4.2–6.5

4.9 ± 0.46

4.1-6.0

Hand depth (cm)

4.2 ± 0.40

2.8–5.3

3.9 ± 0.30

2.5–4.8

Wrist circumference (cm)

15.2 ± 1.3

10.9–19.8

14.4 ± 1.50

10.4–18.7

Forearm Length (cm)

22.1 ± 1.6

17.8–26.9

20.2 ± 0.48

17.0-24.8

Forearm Circumference (cm)

23.2 ± 1.4

14.5–29.6

21.0 ± 1.60

14.0-27.4