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Biomechanics

Ch 2 basic kinematic concepts

QuestionAnswer
Translation all parts of a body travel the same distance, same direction, same time
rectilinear translation straight line translation
curvilinear translation curved line translation
angular (rotation) motion all parts of the body, move along a parts of the body, circular path about the same point called the axis of rotation, so that all parts travel through the same angle, in the same direction, in the same time.
General motion a combination of translation and rotation - most movements are difficult to classify into pure translation or rotation.
Superior (cranial) Closer to the head
Inferior (caudal) Farther from the head
Anterior towards front of the body
Posterior towards back of the body
Medial closer to the mid-line
Lateral away from the mid-line
proximal closer to the trunk
Distal further from the trunk
Palmer palm side of hand
Plantar sole of foot
Dorsal back of hand/ top of foot
Frontal plane splits body into front and back
Sagittal plane splits body into right and left
Transverse plane splits body into top and bottom
Flexion Decreasing joint angle
Extension Increasing joint angle
Hyperextension movement of the joint angle beyond anatomical position in opposite direction of flexion
Plantar flextion Top of the foot away from tibia
Dorsiflexion Top of the foot towards tibia
ABduction movement away from mid-line
ADduction movement towards mid-line
Lateral flexion (head and trunk) movement of the head, neck and trunk to the left or right
Elevation upwards motion
Depression downward motion
Inversion sole of the foot inwards (medially)
Eversion sole of the foot outwards (laterally)
Horizontal AB/ADduction moving away and towards the midline respectively, in the transverse plane
Medial rotation rotation towards the mid-line
Lateral rotation rotation away from the mid-line
Pronation rotation of forearm/hand towards the mid-line
Supination rotation of forearm/hand away from the mid-line
Left/Right rotation head, neck, and trunk
Protraction movement forward
Retraction movement backwards
Circumduction distal end of limb moves in a circle while the proximal end is stable.
Created by: rmart11