☰ Chapter 7: Joint Actions

Objectives:

Describe anatomical position
Describe the three principal anatomical planes and axes
Describe the joint actions that occur at each of the major joints

Segments of the body

Bones for this class. Upper Body, Lower Body

Muscles for this class

Anatomical Position-The standard reference position for the body when describing locations, positions, or movements of limbs or other anatomical structures.

Spatial and Directional Terminology
Anterior/Posterior
Superior/Inferior
Medial/Lateral
Proximal/Distal

Frontal (Coronal) Plane
Sagittal Plane
Transverse (Horzontal) Plane

Longitudinal Axis
Anteroposterior Axis
Transverse Axis

Sagittal Plane Motions/Transverse Axis
Flexion, extension, hyperextension, dorsiflexion, and plantar flexion
Flexion, extension, hyperextension, dorsiflexion, and plantar flexion (with answers)

Frontal Plane Motions/Anterior-Posterior Axis
Adduction, abduction, radial deviation, ulnar deviation, eversion, inversion, and lateral flexion
Adduction, abduction, radial deviation, ulnar deviation, eversion, inversion, and lateral flexion (with answers)

Transverse Plane Motions/Longitudinal Axis
Rotation, horizontal abduction and adduction, supination, and pronation
Rotation, horizontal abduction and adduction, supination, and pronation (with answers)

Supination of the foot and ankle

Ankle inversion
Plantar flexion
Sub-talar joint adduction

In class questions: Practice recognizing motions