🫀 BIO 25 Chapter 9 Types of Movement - Study Guide

flexion

reduces angle between body parts (e.g., bicep curl)

extension

increases angle between body parts (e.g., straighten arm)

abduction

limbs move away from body’s midline

adduction

moving limbs towards midline

circumduction

limbs move in a circle (e.g., tennis serve)

rotation

limb turns around its long axis (e.g., using a screwdriver)

pronation

palm faces posterior

supination

palm faces anterior

inversion

toes towards midline

eversion

toes away from midline

plantar flexion

ankle bends in direction that points the toes

dorsiflexion

ankle bends raising toes upwards

lateral flexion

moving body to side

opposition

when thumb meets the tip of another finger from the same hand

protraction

movement that results in portion of body being moved forward on plane parallel to ground (e.g., scapula away from each other)

retraction

movement that results in portion of body being moved backward on plane parallel to ground (e.g., scapula towards each other)

elevation

moving body part in superior direction (upward)

depression

movement in an inferior direction (downward)