These busy bees so to speak quickly start repairing damaged muscle tissue by jump starting protein synthesis. (bodybuildingforyou.com)
Resistance training damages muscle tissue, and protein is required to repair that damage and grow muscles bigger and stronger so they can better deal with such stresses in the future. (legionathletics.com)
Well - timed protein intake employs amino acids to rebuild damaged muscle tissue while encouraging the hormone activity needed to stimulate muscle growth. (thefitfork.com)