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Your biceps tendons attach the biceps muscle to bones in your shoulder and in your elbow. If you tear your biceps tendon at the shoulder, you may lose some strength in your arm and have pain when you forcefully turn your arm from palm down to palm up.
Biceps tendonitis is a condition that occurs when you have inflammation in your upper biceps tendon. This tendon — also known as the long head of the biceps tendon — connects your biceps muscle to your shoulder blade bone. The condition can also occur at your elbow.
Tears of the biceps tendon at the elbow are uncommon. They are most often caused by a sudden injury and tend to result in significant arm weakness. To return arm strength to near normal levels, surgery to repair the torn tendon is usually recommended.
The biceps muscle has two tendons at the shoulder. The long head inserts at the top of the socket and the short head inserts adjacent to the socket on the coracoid process of the scapula. Tendonitis occurs most commonly in the long head of the biceps tendon.
A biceps tendon tear occurs when the tendon completely or partially severs from the bone. When the tear occurs at the shoulder, a person may experience pain and lose some strength in their arm.
Biceps tendinitis is an inflammation or irritation of the upper biceps tendon—the strong, cord-like structure that connects the biceps muscle to the bones in the shoulder. Symptoms typically include pain and weakness in the front of the shoulder.
What causes a distal biceps tendon tear? Distal biceps tendon injuries often result from a forceful, eccentric contraction of the elbow. This means that the biceps muscle is contracting but the elbow is straightening, resulting in lengthening of the muscle-tendon unit.
Biceps/Triceps tendon injuries. The biceps and triceps muscles are the major flexors (biceps) and extensors (triceps) of the arm at the elbow joint. The biceps also play a very important role in rotating your forearm during activities such as turning a screwdriver or doorknob.
One tendon attaches to the biceps muscle at the shoulder, and the other at the elbow. Pain and inflammation — a condition called tendinitis — is most common at the shoulder end of the biceps.
Biceps tendon tears are caused by a sudden forceful event (such as lifting a heavy object) or forceful straightening or twisting of the elbow. These tears typically occur when the tendon is already weakened by overuse (as occurs during weightlifting).