Table 2 Descriptive statistics for handgrip strength (kg) stratified by age, hand dominance, and gender

7

D

9.9 ± 2.48 (7.1–13.9)

8.4 ± 2.21 (6.1–13.8)

ND

9.1 ± 2.61 (6.6–12.8)

7.5 ± 2.32 (5.3–12.9)

8

D

11.6 ± 2.51 (8.3–14.6)

9.8 ± 3.10 (7.6–15.1)

ND

10.8 ± 2.93 (8.4–13.7)

8.9 ± 3.21 (6.9–15.2)

9

D

13.7 ± 3.82 (11.2–17.9)

11.6 ± 3.21 (8.4–16.3)

ND

12.4 ± 3.61 (10.8–17.2)

10.5 ± 3.73 (8.2–15.7)

10

D

15.9 ± 2.87 (12.7–19.3)

13.4 ± 3.31 (10.7–18.4)

ND

14.4 ± 2.35 (12.1–18.7)

12.2 ± 2.92 (10.6–17.8)

11

D

18.4 ± 4.15 (13.4–25.2)

16.1 ± 3.61 (12.7–20.1)

ND

16.8 ± 3.95 (13.0–23.6)

14.6 ± 4.12 (13.0–19.4)

12

D

21.5 ± 4.07 (16.7–26.9)

18.0 ± 3.73 (14.3–20.6)

ND

19.7 ± 4.25 (15.8–24.7)

16.4 ± 3.27 (15.0–21.2)

13

D

25.8 ± 4.42 (19.8–30.9)

20.0 ± 3.66 (16.6–25.7)

ND

24.1 ± 4.37 (20.1–31.0)

19.2 ± 3.37 (16.0–24.3)

14

D

30.6 ± 4.34 (24.2–37.0)

21.5 ± 3.82 (16.8–27.5)

ND

28.8 ± 4.13 (23.4–33.7)

21.1 ± 3.79 (16.6–29.2)

15

D

35.1 ± 4.73 (29.3–40.6)

22.8 ± 3.77 (17.7–26.7)

ND

33.1 ± 4.28 (27.3–38.5)

21.7 ± 3.47 (16.5–28.1)

16

D

38.4 ± 3.79 (32.0–42.8)

23.7 ± 3.45 (20.1–28.0)

ND

35.7 ± 3.61 (29.2–40.2)

22.6 ± 3.51 (19.4–28.6)

17

D

41.6 ± 4.13 (35.6–48.7)

24.0 ± 3.20 (19.7–29.0)

ND

38.6 ± 4.27 (33.4–45.1)

22.5 ± 3.25 (19.0–28.4)

18

D

42.8 ± 4.11 (33.6–47.6)

24.3 ± 3.71 (20.0–30.4)

ND

39.6 ± 4.55 (34.8–44.5)

22.7 ± 3.60 (18.6–29.8)

Total

D

25.6 ± 3.85 (7.1–48.7)

17.8 ± 3.27 (6.1–30.4)

ND

23.3 ± 4.10 (6.6–45.1)

16.6 ± 3.12 (5.3–29.8)