Illustration of woman lying flat on floor while a man uses his right hand to press on the knee of her right leg and his left hand to press the toes of right foot backward (dorsiflexion).

Lateral view of infant lying on back without diaper; both legs lifted into the air, baby's face is turned to face viewer.

Anterolateral view of woman sitting in the tailor position. Legs are parallel with one ankle placed in front of (not on top of) the other. The woman is reading a piece of paper.

Oblique view of woman lying on floor with legs raised extended, heels against wall. A pillow has been positioned under her right hip.

Adult male demonstrating proper lifting technique, keeping spine relatively straight while lifting weight with legs.

Adult male demonstrating proper lifting technique, keeping spine relatively straight while lifting weight with legs.

Leg-lift exercise