lateral / medial: away from or toward the midline of the body
distal / proximal: away from or toward the umbilicus
anterior / posterior: front or back
superior / inferior: toward the head end of the body or away from the head
Anterior / Posterior
Front / back
Medial
Towards the midline
Lateral
Towards the periphery
Superior
Towards the head
Inferior
Towards the feet
Flexion: movement that reduces the amplitude of the angle formed by the affected joint
Extension: movement that increases the amplitude of the angle formed by the affected joint
Abduction: movement that moves a limb or part of it away from the midline of the body
Adduction: movement that brings a limb or part of it closer to the midline of the body
Extra Rotation: rotational movement that the limb performs around its axis, in the opposite direction to the midline of the body
Intra Rotation: rotational movement that the limb performs around its axis, towards the midline of the body
