The Range of Motion at the Shoulder Is Greater Than

The range of motion at the shoulder is greater than the range of motion at the hip because .

A) the pectoral girdle forms a complete circle and is firmly attached to the axial skeleton
B) the glenoid fossa is a very shallow cavity
C) the humerus is held tightly to the glenoid fossa
D) very strong ligaments wrap around the humerus in all directions to hold it to the pectoral girdle