What term describes a turning outward or lateral motion of an articulation, sometimes with an external tension or stress applied?

• A. Inversion
• B. Eversion
• C. Flexion
• D. Abduction

Answer: (B)

The correct term that describes a turning outward or lateral motion of an articulation, often accompanied by external tension or stress, is eversion. Eversion specifically refers to the motion of the foot where the sole turns outward, moving away from the midline of the body. This action demonstrates how the foot can move laterally, and the external tension or stress can result from activities such as walking on uneven surfaces or during specific exercises.

In the context of the other terms, inversion is the opposite motion in which the sole of the foot turns inward towards the midline. Flexion refers to the bending of a joint that decreases the angle between body parts, and abduction refers to moving a limb away from the midline of the body but not specifically related to an outward turning motion. Thus, eversion is the appropriate term for the action described in the question.