Exam 8: Movement

 The premotor cortex and the SMA receive substantial direct input from the

 Your friend was in an accident, and although his intelligence and personality are unchanged, he is no longer able to play his guitar, nor is he the coordinated athlete he once was. His symptoms may be the result of damage to which of the following areas?

 The long strands of protein running the length of a muscle fiber are called

 Age-related loss in muscle mass appears to begin around the age of _________ years.