When a Body Builder Flexes Their Biceps Brachii,what Motion Is

Question

When a body builder flexes their biceps brachii,what motion is occurring?
A)an increased angle between articulating bones
B)a decreased angle between articulating bones
C)movement away from midline
D)movement in a circle
E)a superior movement

Accepted Answer

When a body builder flexes their biceps brachii, there is a decrease in angle between the articulating bones (humerus and radius/ulna). This is known as a flexion movement.