body check 
noun
(Especially in ice hockey) an act of deliberately obstructing a player by bumping into them.After all, a body-check is blatant obstruction and should be punished accordingly....
- It is also a highly physical sport and body-checks can sometimes see players crashing to the ground without any punishment being meted out by officials.
- The lone forward skimmed past Iván Helguera with seven minutes go before attracting a ferocious body-check just outside the area from David Albelda.
verb (body-check) [with object]
Obstruct (a player) with a body check: (as noun body-checking) no body-checking is allowed so the pitched battles which often feature in ice hockey are rare...
- How many times have we seen players being body-checked when trying to take a return pass?
- With the score at 1-1 thanks to Carl Fletcher's equaliser, Camp denied Marlon Harewood a clear goal-scoring chance by body-checking the West Ham striker just outside the penalty area but Mason showed only a yellow card.
- Ljungberg has just been cynically body-checked by Pellegrino, leaving Arsenal with a great free-kick opportunity, 25 yards out.