Inflammation of the Achilles tendon is called Achilles tendinitis. Achilles tendon rupture is when the Achilles tendon breaks. The four tendons of these muscles converge to form the rotator cuff tendon. Enthesophytes are abnormal bony projections at the attachment of a tendon or ligament. The superficial muscles have their origin on the common flexor tendon. Quinolone antibiotics are associated with increased risk of tendinitis and tendon rupture. Race horses are especially prone to injuries of the tendon and ligaments. For example, during a human stride, the Achilles tendon stretches as the ankle joint dorsiflexes. The artery runs medial to the biceps tendon. His career ended in 1967 due to a torn Achilles tendon. People present with an ache over the patella tendon. Shortly afterwards, Tanahashi was sidelined with a ruptured biceps tendon. Insertions are usually connections of muscle via tendon to bone. For example, the presence or absence of the palmaris longus tendon. The most common symptoms are pain and swelling around the affected tendon.