Arthrokinematics Flashcards
Convex and concave portion that make up the TMJ
Convex: mandible head
Concave: mandibular fossa of temporal bone
*Mandible head on Mandibular fossa of temporal bone
TMJ: elevation
rolls anterior
slides posterior
TMJ: depression
rolls posterior
slides anterior
TMJ: protrusion
mandibular condyle and disc translate anteriorly
TMJ: retrusion
mandibular condyle and disc translate posteriorly
TMJ: lateral excursion
Left lateral excursion:
- L condyle forms a pivor point, R condyle rotates anteriorly and medially
Convex and concave portion of the SC joint
Elevation/Depression - Convex: clavicle - Concave: sternum Protraction/Retraction - Convex: sternum - Concave: clavicle
what direction would you mobilize to increase motion for TMJ elevation? depression?
posterior
anterior
SC Joint: elevation
rolls superior
slides inferior
what direction would you mobilize to increase motion for SC joint elevation? depression?
inferior
superior
SC Joint: depression
rolls inferior
slides superior
SC Joint: protraction
rolls and slides anterior
SC Joint: retraction
rolls and slides posterior
what direction would you mobilize to increase motion for SC joint protraction? retraction?
anterior
posterior
Convex and concave portion of the GH Joint
Convex: humerus
Concave: glenoid fossa
*humerus on glenoid fossa
GH Joint: flexion
rolls anterior
slides posterior
Mobilization direction to increase flexion of GH joint
posterior
GH Joint: extension
rolls posterior
slides anterior