Acute side strain in a fast bowler after a “pull-down” injury of the
nonbowling arm. Arrows delineate the tear and retraction of the internal
oblique muscle. (a, c, d) Magnetic resonance imaging reveals an internal
oblique muscle tear with a small hematoma. (b) The computed tomography scan
reveals an associated avulsion fracture of the osteochondral tip of 11th
rib. EO, external oblique; IO, internal oblique; TA, transversus
abdominis.