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. 2023 Feb 7;23(4):1856. doi: 10.3390/s23041856

Table 1.

Table showing the main angles on the joints of the upper and lower body limbs.

Symbol Representation
θS-ab/ad  Shoulder abduction/adduction
θS-hab/ahd  Shoulder horizontal abduction/adduction
θS-in/ex  Shoulder internal/external rotation
θW-fl/ex  Wrist flexion/extension
θW-ra/ul  Wrist radial deviation/ulnar deviation
θF-pr/su  Forearm pronation/supination
θE-fl/ex Elbow flexion/extension
θA-IC, front Ankle initial contact angle—frontal plane
θA-IC, sag Ankle initial contact angle—sagittal plane
θA-MAX, front Ankle maximum—frontal plane
θA-MAX, sag Ankle maximum angle—sagittal plane
θK-IC, front Knee initial contact angle—frontal plane
θK-IC, sag Knee initial contact angle—sagittal plane
θK-MAX, front Knee maximum—frontal plane
θK-MAX, sag Knee maximum angle—sagittal plane