RESTRAINT n. 3 definitions
The act or process of restraining, or of holding back or hindering from motion or action, in any manner; hindrance of the will, or of any action, physical or mental. No man was altogether above the restrains of law, and no man altogether below its protection. Macaulay.
SPRAIN v. 2 definitions
a joint, ligament, or muscle, by sudden and excessive exertion, as by wrenching; to overstrain, or stretch injuriously, but without luxation; as, to sprain one's ankle.