Assertion: muscle fiber's muscle | /r/CapableOf | undergo eccentric contraction
Facets:
value: to slow the motion
type: PURPOSE
Source sentences:
text: In the example of throwing, the chest and front of the shoulder (anterior Deltoid) contract to pull the arm forward, while the muscles in the back and rear of the shoulder (posterior Deltoid) also contract and undergo eccentric contraction to slow the motion down to avoid injury.