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Table 5 Comparison of intersegmental ranges of motion (ROMs) in the current model with other foot models in the literature [16, 22]

From: Development of a clinically useful multi-segment kinetic foot model

Segment

Joint motion

Current model (n = 10)

Lee et al. [22] (female, n = 50)

Leardini et al. [20] (n = 9)

Jenkyn and Nicol [16] (n = 12)

ROM (Max, Min)

ROM (Max, Min)

ROM (Max, Min)

ROM (Max, Min)

Hindfoot

Dorsiflexion ( +) /Plantar flexion (-)

26.30 (7.65, -18.65)

25.5 (14.0, -11.5)

12.0 (4.7, -7.3)

15 (5, -10)

Internal ( +) / External rotation (-)

2.71 (0.28, -2.44)

12.8 (11.3, -1.5)

10.7 (4.5, -6.2)

 

Inversion ( +) / Eversion (-)

6.56 (4.53, -2.03)

13.2 (9.8, -3.4)

9.5 (2.2, -7.3)

10 (5, -5)

Midfoot

Dorsiflexion ( +) /Plantar flexion (-)

6.46 (0.77, -5.69)

 

8.0 (2.5, -5.5)

 

Internal ( +) / External rotation (-)

3.71 (2.10, -1.61)

 

2.8 (2.1, -0.7)

8 (6, -2)

Inversion ( +) / Eversion (-)

3.93 (0.27, -3.66)

 

4.4 (3.0, -1.4)

11 (8, -3)

Forefoot

Dorsiflexion ( +) /Plantar flexion (-)

14.17 (8.23, -5.95)

14.8 (3.5, -11.2)

11.5 (12.6, 1.1)

 

Internal ( +) / External rotation (-)

7.48 (5.50, -1,98)

10.5 (-0.5, -11.0)

6.9 (3.7, -3.2)

 

Inversion ( +) / Eversion (-)

2.82 (2.44, -0.39)

8.7 (11.8, 3.1)

14.3 (13.3, -1.0)

12 (15, 3)

Hallux

Dorsiflexion ( +) /Plantar flexion (-)

37.29 (38.47, 1.18)

40.3 (30.8, -9.5)

25.6 (26.8, 1.2)

 

Abduction ( +) / adduction (-)

11.63 (0.27, -11.37)

10.4 (0.9, -11.3)

15.7 (1.0, -14.7)

 

MLA height/length ratio

0.03 (0.17, 0.14)

0.06 (0.25, 0.19)

 

0.4 (1.3, 0.9)