Fig. 1

The improvement of preoperative to postoperative Mayo Elbow Performance Score Ratings for elbow function is shown here. The MEPS ratings for almost patients were good-excellent, with a percentage of 97, 94, 100% in ER, MR, LR groups respectively, and 95% in the total cohorts. ER early release group, MR median release group, LR late release group, Pre-op pre-operation, Post-Op post-operation