Answer:
A. Biaxial Joint
Explanation:
Flexion refers to a motion that reduces the angle between two body parts. An example is the knee.
Extension refers to a movement that increases the angle between two body parts. An example is also the knee.
Abduction refers to movement away from the midline of the body.
Adduction refers to movement toward the midline of the body.
A Biaxial joint is a joint that allows for movement within two planes.
The wrist is a good example of a biaxial joint
