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45 Cards in this Set
- Front
- Back
List two examples of gliding synovial joints
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intercarpal, intertarsal
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What is a synchrondosis?
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Nonsynovial joint between two pieces of cartilage (epiphyseal plate)
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What is a Syndesmosis?
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Nonsynovial joint between fibrous tissue(sutures of the developing cranial vault)
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What is a synostoses?
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Joint between bone
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What is amphiarthroses?
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Joint containing both synovial and nonsynovial character (pubic symphysis)
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Describe the synovial membrane
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highly vascular connective tissue lining a joint capsule (not lining the artcular cartilage) it is the source of synovial fluid
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joints can contain two types of nerve fibers, name them
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pain and position sensors
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Name an extracapsular ligament
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coracoclavicular ligament and the fibular collateral ligament
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Name an intracapsular ligament
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ACL or PCL
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What type of joint is the Sternoclavicular joint? (Syn or non syn) and type of movements
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Synovial, multiaxial
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What type of joint is the acoracoclavicular joint? (Synovial or nonsynovial)
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Synovial
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What types of movement are possible in the SC joint?
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Vertical axis-retraction/protraction
AP axis-elevation/depression Oblique axis-Medial and Lateral rotation (of inferior angle of scapula) |
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What are the ligaments of the SC joint?
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Anterior and Posterior sternoclavicular ligaments
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What injury is common at the AC joint?
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Shoulder seperation
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What two joints form the shoulder girdle?
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SC and AC
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What type of joint is the choracoclavicular joint?
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Fibrous, syndesmosis
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What are the two portions of the coracoclavicular ligament?
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conoid and trapezoid
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What bones does the coracoclavicular joint span and stablize?
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Scapula (at the corocoid) and clavicle
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What type of injury does the Coracoclaviculare joint prevent?
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Shoulder seperation
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What movements does the coracoacromial ligament allow?
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None, it prevents superior dislocation of the humeral head
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What are the movements of the shoulder joint by axis?
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Vertical axis-lateral/medial rotation
AP axis-AB and ADduction Transverse axis-Flexion/extension |
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What is the function of the glenoid labrum?
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Surround glenoid fossa and deepen and widen it (improve stablity)
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What is the extracapsular ligament of the shoulder joint?
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Coracohumeral ligament
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When does the Coracohumberal ligament provide strength?
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When the arm is adducted. It has no ability to stabilize an abducted arm
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What are the four muscles of the rotator cuff and their attachments?
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Supraspinatus-greater tubercle along spine of scapula
Infraspinatus-greater tubercle to scapula alogn inferior edge of spine Teres minor-greater tubecle to medial scaula inferior to infra spinatus Subscapularis-lesser tubercle (on anterior humerus to medial border of scapla on the anterior side |
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What are the two bursae of the shoulder joint?
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Subacromial bursa and subdeltiod bursa
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Where are the bursae of the shoulder joint located?
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Subacromial-between the rotator cuff's superior margin and the acromion process
Deltoid bursa-lateral to subacromial bursa |
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What portion of the shoulder capsule is the most prone to tear?
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Inferior
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What type of shoulder dislocation is the most common?
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anterior
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What position results in an anterior dislocation?
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Abducted, laterally rotated, and flexed (volley ball spike)
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What type of joint is the choracoclavicular joint?
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Fibrous, syndesmosis
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What are the two portions of the coracoclavicular ligament?
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conoid and trapezoid
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What bones does the coracoclavicular joint span and stablize?
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Scapula (at the corocoid) and clavicle
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What type of injury does the Coracoclavicular joint prevent?
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Shoulder seperation
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What movements does the coracoacromial ligament allow?
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None, it prevents superior dislocation of the humeral head
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What are the movements of the shoulder joint by axis?
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Vertical axis-lateral/medial rotation
AP axis-AB and ADduction Transverse axis-Flexion/extension |
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What is the function of the glenoid labrum?
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Surround glenoid fossa and deepen and widen it (improve stablity)
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What is the extracapsular ligament of the shoulder joint?
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Coracohumeral ligament
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When does the Coracohumeral ligament provide strength?
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When the arm is adducted. It has no ability to stabilize an abducted arm
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What are the four muscles of the rotator cuff and their attachments?
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Supraspinatus-greater tubercle along spine of scapula
Infraspinatus-greater tubercle to scapula alogn inferior edge of spine Teres minor-greater tubecle to medial scaula inferior to infra spinatus Subscapularis-lesser tubercle (on anterior humerus) to medial border of scapla on the anterior side |
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What are the two bursae of the shoulder joint?
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Subacromial bursa and subdeltiod bursa
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Where are the bursae of the shoulder joint located?
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Subacromial-between the rotator cuff's superior margin and the acromion process
Deltoid bursa-lateral to subacromial bursa |
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What portion of the shoulder capsule is the most prone to tear?
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Inferior
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What type of shoulder dislocation is the most common?
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anterior
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What position results in an anterior dislocation?
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Abducted, laterally rotated, and flexed (volley ball spike)
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