Which of the following pairs of terms are opposites?

A) Plantar flexion - dorsiflexion
B) Abduction - extension
C) Inversion - retraction
D) Pronation - rotation
E) Elevation - protraction

Plantar Flexion

The action of reducing the angle between the bottom of the foot and the back of the leg, similar to when the toes are pointed.

Dorsiflexion

The action of raising the foot upwards towards the shin, decreasing the angle between the dorsum of the foot and the leg.

Inversion

Inversion in genetics refers to a chromosome rearrangement in which a segment of a chromosome is reversed end to end, potentially affecting gene function and expression.