Bend your knees as you lift up to take the full weight of your legs out of the move and allow you to get stronger. (thebettyrocker.com)
In just a few short weeks, your newborn has progressed from just beginning to move the weight of his legs against gravity to kicking like crazy! (candokiddo.com)
He and his team looked through the scientific literature for data on normal walking, and found a complete dataset that represented one person's gait, including the angle of their joints, the weight of each leg segment, and the ground reaction force — the force between the ground and the foot — during a single step, or gait cycle. (sciencedaily.com)