If you overload your muscles, you put more pressure on your joints and may get hurt like a tennis elbow. If you sit in the chair, your muscles and joints will become more tense and tired. If you tend to wear objects on one side only, constant traction will put pressure on your muscles and reduce joint fatigue. The femoral muscle should work harder to keep its knee level, which can cause pain. All of this puts pressure on other joints and muscles. If you put too much pressure on the small muscles, your joints will pay for it. Whether it’s a bag, backpack or mailbag, too much packing can hurt your neck and shoulders. You don’t have to be a yogi, but regular stretching can strengthen your muscles and tendons. WebMD website you have read.