You’re feeling tight, so you stretch it out. But is that really what your body needs? The truth is not all tightness comes from a lack of flexibility. Sometimes, the problem is weakness or shortened muscles. Stretching them won’t solve the issue—it might even make things worse. Here’s how to tell: If the muscle feels like it’s pulling but you’re also weak in that area, it might need strengthening, not stretching. If it’s tight after prolonged sitting or repetitive activity, s