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Kinetics
forces that produce or resist movements
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Kinematics
- types of motion or movement without regard for the forces that produce movement.
- -Types of motion
- -direction of motion
- -quantity of motion
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Osteokinematics
movements of the bony partners or segments that make up a joint
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Arthrokinematics
focuses specifically on the minute movements occurring within the joint and between the joint surfaces
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Frontal/Coronal Plane
- divides the body in front and back
- -Abduction/adduction
- -Ulnar (pinky)/radial (thumb) deviation
- -bending of neck and trunk (lateral)
- - x axis
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Sagittal Plane
- divides the body in right and left
- -flexion/extension
- - z axis
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Horizontal/Transverse Plane
- divides the body to upper and lower parts
- -medial and lateral rotation of hip/shoulder
- -pronation/sup. of forearm
- -eversion/inversion of foot
- - y axis
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Degrees of Freedom
the number of planes in which a joint is able to move
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Hinge Joint
- a uniaxial joint
- ex- humeroulnar joint
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Pivot Joint
- a uniaxial joint
- ex- radioulnarjoint
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Uniaxial Joint
- a joint that moves in one plane around one axis having one degree of freedom
- ex-hinge or pivot
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Biaxial Joint
- Joint that moves in two planes around two axis, having two degrees of freedom
- ex- condyloid, ellipsoidal, saddle
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Ellipsoidal Joint
- -biaxial joint
- -spindle like shape
- -radiocarpal joint at wrist
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Saddle Joint
- -biaxial joint
- -concave and convex surface
- -joint on thumb
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Triaxial Joint
- joint that moves three planes around three axis, has three degrees of freedom
- -ex- glenohumeral joint
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Ball and Socket Joint
- triaxial joint with spherical ball shape
- -glenohumeral joint
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Circumduction
movement seen in a triaxial joint
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