The biceps muscle has two heads, simply named the long head and the short head. With biceps tendinitis, it’s usually the long head (which attaches to the top front of the shoulder) that gets injured. The long head tendon attaches to the shoulder joint capsule, and it is very near other important shoulder structures, such as your rotator cuff. read more
Even though tendons are tough, if you overuse them they can become sore and painful. This is called tendonitis (sometimes spelled “tendinitis”). Tendonitis can occur because of repetitive motion. read more