It's common today for a 10-year-old baseball pitcher to need the tendon replacement surgeries for an injured elbow that were previously restricted to college and major league pitchers.

Method Approaching the fractured ends along the incision and outside tendon of muscles of biceps brachii, the fracture was fixed with intersect Kirschner pins after replacement.

In the paper the reminiscent treatment about non-tendon tissue repairing ACL, advantage of replacement, diagnosis of injury ACL and selection of operation indication were discussed.