Which joint consists of two separate articulations, one of which includes a sesamoid bone?

A) Shoulder
B) Hip
C) Elbow
D) Knee

Sesamoid Bone

A small, round bone embedded within a tendon; its primary function is to protect tendons and increase their mechanical advantage.

Shoulder

The region where the arm joins the torso, consisting of several joints and an ensemble of muscles and tendons that provide motion and stability.

Articulations

Joints or the points where two bones meet, allowing for a variety of movements.