Triplanar Motion
Visible movement in one plane can depend on available motion in all three planes. Limited motion in one plane can reduce apparent motion in another plane. Full sagittal-plane motion may require frontal-plane and transverse-plane capabiliti…
1 sources - 5 claims
Visible movement in one plane can depend on available motion in all three planes. Limited motion in one plane can reduce apparent motion in another plane. Full sagittal-plane motion may require frontal-plane and transverse-plane capabilities. Elbow flexion changes with forearm position, showing that motion in another plane can affect the visible range. Treating only the visible restriction may miss the actual movement requirement.