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 3

Regression formula and coefficient of determination for each experimental task.

Experimental taskGroupRegression formulap valueCoefficient of determination

Hip joint flexionA0.574
B0.432
C0.489

Hip joint extensionA0.480
B0.321
C0.352

Knee joint flexionA0.452
B0.236
C

Knee joint extensionA0.575
B0.412
C0.141

Notes. : theoretical Grade 3 muscle strength value in the manual muscle test method of Daniels et al.; : maximum muscle strength value.