When Examining an Upper Extremity,it Is Important to Understand the Interaction

When examining an upper extremity,it is important to understand the interaction of the humerus and scapula during normal reach.You note that your patient has limitations in active shoulder flexion and can only achieve 95 degrees.Your clinical reasoning directs you to examine scapula mobility and scapulohumeral rhythm.It is well established that the ratio indicates that for every ___ degrees of movement of the humerus,the scapula moves ___ degrees.

A) 3,1
B) 2,1
C) 1,3
D) 1,2