Biomechanics Lab: Intro to Movement
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11 Terms
Define these joints:
Synarthrodial
Amphiarthodial
Diarthodial (Synovial)
Immovable joint
Slightly movable joint
Freely movable joint
Subcategories of amphiarthodial joints
Syndesmosis
Distal tibiofibular joint
Symphysis
Pubic symphysis, intervertebral discs
Synchondrosis
Costochondral joints
Structure of a synovial joint.
What does this allow?
Composed of a sleeve-like joint capsule filled with synovial fluid.
These absorb shock and protect the bone
The 6 types of diarthrodial (synovial) joints
Plane/Gliding/Ellipsoid
Hinge (Elbow)
Pivot (Neck)
Condyloid (Wrist)
Ball-and-Socket (Shoulder)
Saddle (Carpals)
Degree of freedom
The motion possible by a joint in 1-3 planes
Shoulder (scapulothoracic) movements (6)
Depression
Elevation
Protraction (abduction)
Retraction (adduction)
Upward rotation
Downward rotation
Shoulder (glenohumeral) movements
Horizontal abduction
Horizontal adduction
Scaption
Axis of rotation for Saggital Plane
Frontal (coronal, lateral) axis
Axis of rotation for Frontal Plane
Saggital axis
Axis of rotation for Transverse Plane
Vertical (longitudinal) axis
What is the relationship between axis of rotation and plane of motion?
The joint moves about an axis that has a 90 degree relationship to that plane
Think of it like you’re moving about that pole
Note 
Flashcards (115)