title: Haematoma and myositis ossificans.
abstract: Knocks and bruises are an accepted risk of participation in contact or potentially contact sports. In fact exhibiting one's patches of black and blue seems to be a part of the game.
authors.affiliation: Department of Physical Education, Health and Recreation, Western Australian Secondary Teachers' College.
authors.forename: S D
authors.initials: SD
authors.lastname: Gray