TABLE 3:

Leg Postures

Model Input	Postures From Postures, Activities, Tools, and Handling Method
L1	Sitting
L2	Standing
L3	Shallow squat (knees bent >35° to <80°)
L4	Kneeling (one or both knees)
L5	Walking
L6	Deep squat (knees bent ≥80°)
L7	Lunge (1 knee bent >35°)