According to Dr. Fishman, the extra pressure used in tree posture helps strengthen the upper femur and hip.
Another posture that can assist with balance is the triangle pose, which "puts torque on the lumbar spine, the neck of the femur, and the hips and ribs," as Dr. Fishman explains.
He claims this stance is another aid to equilibrium.
Locust position also helps strengthen extensor muscles of the back, which in turn improves posture and counteracts the forward curve of the upper back
Chest Stretches to Fix Your Slumped Back and Poor Posture
This posture is beneficial for stretching
A lady in the fresh air practices a straight-legged twist, a yoga position that strengthens bones and muscles.