Which joint type allows for flexion, extension, adduction, abduction, and circumduction?

• A. Saddle joint
• B. Condyloid joint
• C. Hinge joint
• D. Pivot joint

Answer: (B)

The condyloid joint is designed to allow movement in two planes, making it highly versatile compared to other joint types. This type of joint enables the motions of flexion and extension, as well as adduction and abduction, because the oval-shaped end of one bone fits into a shallow cavity of another, allowing for significant range of motion.

Circumduction is particularly associated with condyloid joints since the multi-axial nature permits a circular movement of the distal end of the limb while the proximal end remains stable. This is essential for various athletic movements requiring these complex actions. In contrast, while other joint types such as saddle joints may offer some degree of flexion and extension, they do not facilitate the full range of motion or as many movement types as the condyloid joint.