The snapped inferior rectus.
Romano
P E
PE
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007431:Intraoperative Complications / Q000601:surgery; D008297:Male; D009801:Oculomotor Muscles / Q000293:injuries* / Q000637:transplantation; D013508:Ophthalmologic Surgical Procedures; D012421:Rupture; D013285:Strabismus / Q000601:surgery*