Strength Training and Shoulder Pain: What the Research Says
Shoulders are the joint people quit over. Across several trials, exercise therapy performed about as well as surgery, but only the progressive, resisted kind.
Strength Training and Knee Pain: What the Research Says
Exercise therapy is first-line treatment in knee osteoarthritis guidelines worldwide, and 46 randomized trials back it up. Resting the knee is usually the wrong move.
Strength Training and Lower Back Pain: What the Research Says
Most people with a bad back are told to avoid loading it. A 2025 meta-analysis of ten randomized trials found the opposite holds up better.