From: Correlation and comparison of quadriceps endurance and knee joint position sense in individuals with and without unilateral knee osteoarthritis
Correlate Variables
Quadriceps endurance
r
p value
Sitting- JPS in 20° of flexion
-0.48
 < 0.001
Sitting- JPS in 40° of flexion
-0.62
Sitting- JPS in 60° of flexion
-0.58
Standing- JPS in 20° of flexion
-0.25
0.084