title: Haematoma of rectus abdominis from the use of an exercise wheel: a report of 3 cases.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology; D000007:Abdominal Injuries / Q000209:etiology*; D005081:Exercise Therapy / Q000009:adverse effects*; D005260:Female; D006406:Hematoma / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009135:Muscular Diseases / Q000209:etiology*; D014839:Vomiting / Q000150:complications