A Maximum Muscle Strength Prediction Formula Using Theoretical Grade 3 Muscle Strength Value in Daniels et al.’s Manual Muscle Test, in Consideration of Age: An Investigation of Hip and Knee Joint Flexion and Extension
Table 2
Average of and and ratio of to .
Experimental task
Group
(N⋅m)
(N⋅m)
(%)
Hip joint flexion
A
25.9 (5.5)
63.7 (17.2)
40.7
B
26.9 (5.3)
61.1 (17.0)
44.0
C
25.2 (5.6)
52.7 (14.8)
47.8
Hip joint extension
A
25.9 (5.5)
59.2 (16.5)
43.8
B
26.9 (5.3)
52.9 (16.4)
50.9
C
25.2 (5.6)
47.2 (12.4)
53.4
Knee joint flexion
A
8.3 (1.9)
32.8 (18.1)
25.3
B
8.0 (2.2)
26.2 (17.5)
22.1
C
7.5 (1.8)
18.5 (9.3)
40.5
Knee joint extension
A
8.3 (1.9)
59.9 (29.0)
13.9
B
8.0 (2.2)
46.0 (27.2)
17.4
C
7.5 (1.8)
40.7 (19.7)
18.4
Notes. : theoretical Grade 3 muscle strength value in the manual muscle test method of Daniels et al.; : maximum muscle strength value. and values are mean (SD).