Research Article

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 taskGroup(N⋅m)(N⋅m) (%)

Hip joint flexionA25.9 (5.5)63.7 (17.2)40.7
B26.9 (5.3)61.1 (17.0)44.0
C25.2 (5.6)52.7 (14.8)47.8

Hip joint extensionA25.9 (5.5)59.2 (16.5)43.8
B26.9 (5.3)52.9 (16.4)50.9
C25.2 (5.6)47.2 (12.4)53.4

Knee joint flexionA8.3 (1.9)32.8 (18.1)25.3
B8.0 (2.2)26.2 (17.5)22.1
C7.5 (1.8)18.5 (9.3)40.5

Knee joint extensionA8.3 (1.9)59.9 (29.0)13.9
B8.0 (2.2)46.0 (27.2)17.4
C7.5 (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).