Why joints can matter more than stretching Many active adults stretch regularly. Few assess joint mobility. Flexibility and mobility are not the same. Flexibility describes muscle length. Mobility describes joint motion under control. You can stretch daily and still move poorly. Why mobility matters more than stretching Muscles generate force. Joints guide force. If a joint does not move well, muscles around it tighten for protection. Stretching those muscles treats the

Why your chair might be causing “dead butt syndrome” If you work at a desk, you sit more than you think. You might train hard and still feel stiff, sore, and tired. Long blocks of sitting do their own damage. Separate from exercise. What sitting does to your body 1. Your hips tighten Your hip flexors stay shortened. You lose hip extension. You stand up and your back takes extra load. 2. Your upper back rounds Y our rib cage drops. Your head drifts for