Medial epicondyle fracture results in injury to - nerve.
C i.e. Ulnar Ulnar nerveQ runs in a groove in the posterior aspect of medial epicondyle and so it is least uncommonly (most commonly) involved nerve in the medial epicondylar fracture But it is impoant to note that the involvement is immediate not tardy (late) as in fractures of lateral condyle humerus.
Radial
Median
Ulnar
Axillary