“…These include ligamentoplasty procedures, 12,40,50 muscle transfers, 2,4,18,20,31,49 and ligament reconstruction with autologous, allogeneic, or synthetic materials. 1,5,10,11,13,19,21,25,27,30,35,36,41,44,45,48,52 Ligamentoplasty is the transfer of a portion of an existing ligament, most commonly the coracoacromial (CA) ligament. This was first performed by Cadenat in 1917 when he transferred the posterior portion of the CA ligament from the acromion onto the clavicle to mimic the CC ligaments.…”