Chapter 8
Joints
259
8
Supination
(radius and ulna
are parallel)
(a) Pronation (P) and supination (S)
P
S
Pronation
(radius rotates
over ulna)
Dorsiflexion
Plantar flexion
(b) Dorsiflexion and plantar flexion
Eversion
Inversion
(c) Inversion and eversion
Protraction
of mandible
Retraction
of mandible
(d) Protraction and retraction
Elevation
of mandible
Depression
of mandible
(e) Elevation and depression
(f) Opposition
Opposition
Figure 8.6
Special body movements.
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