re: I think my bicep is torn - gsadle5 on 3/23/12 at 3:50 pmProximal long head of the biceps tendon originates in the shoulder joint so could be a source of shoulder pain. If you tore the proximal biceps tendon you may notice the muscle belly looks balled up, but occasionally you see no deformity. MRI of the shoulder would most likely pick this up especially...
