AMT Kin 1 Test 3
Terms
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- What is the most commonly injured rotator cuff muscle?
- Supraspinatus
- What muscles attach to the greater and lesser tubercles?
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Greater tubercle - supraspinatus,infraspinatus, teres minor
Lesser tubercle - subscapularis - Where are the tubercles located?
- The greater tubercle is most lateral and the lesser tubercle is medial.
- What nerves form the brachial plexus?
- C5-C8 & T1 ventral rami
- What muscles attach to the bicipital groove?
- Latissimus dorsi, teres major, pectoralis major
- What muscles attach to the coracoid process?
- Coracobrachialis, the short head of biceps, pectoralis minor
- What are the joints of the shoulder complex?
- Sternoclavicular, acromioclavicular, scapulothoracic, glenohumeral
- What is coracobrachialis named for?
- Its origin and insertion
- What muscle starts abduction?
- Supraspinatus
- What muscle provides anterior stabilization to the shoulder joint?
- Biceps
- What are the actions for arm wrestling?
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Winner: medially rotates
Loser: laterally rotates - What are the actions for tennis?
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Forehand stroke: medially rotating
Backhand stroke: laterally rotating - What are the actions of rowing?
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Reaching oars: flexion
Pulling oars: extension - What are the actions of jumping jacks?
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Abduction on apart phase
Adduction on together phase - What are the actions of baseball pitch?
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Windup: lateral rotation
Release: medial rotation - What are the actions of bowling?
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Draw back: extension
Release: flexion - What is the action of basketball?
- Shooting basket: flexion
- What is the origin of supraspinatus?
- Supraspinous fossa
- What is the insertion of suprapinatus?
- Greater tubercle
- What is the origin of infraspinatus?
- Infraspinous fossa
- What is the insertion of infraspinatus?
- Greater tubercle
- What is the origin of teres minor?
- Upper 2/3 of axillary border
- What is the insertion of teres minor?
- Greater tubercle
- What is the origin of subscapularis?
- Subscapular fossa
- What is the insertion of subscapularis?
- Lesser tubercle
- What is the origin of latissimus dorsi?
- Thoracolumbar aponeurosis, lower 6 spinous processes, sacrum & illiac crest
- What is the insertion of latissimus dorsi?
- Bicipital groove
- What is referred to as the swimmer's muscle?
- Latissimus dorsi
- What is the origin of teres major?
- Inferior angle, lower 1/3 axillary border
- What is the insertion of teres major?
- Bicipital groove
- What is referred to as "little swim"?
- Teres major
- What is the origin of pectoralis major?
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Clavicle head: medial 1/2 of clavicle
Sternal head: sternum - What is the insertion of pectoralis major?
- Bicipital groove
- What is the origin of the deltoids?
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Anterior: lateral 1/3 clavicle
Middle: lateral acromion
Posterior: spine of scapula - What is the insertion of the deltoids?
- Deltoid tuberosity
- What is the origin of coracobrachialis?
- Coracoid process
- What is the insertion of coracobrachialis?
- Medial middle 1/3 of the humerus
- What is the origin of biceps?
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Short head: coracoid process
Long head: supraglenoid tubercle - What is the insertion of biceps?
- Radial tuberosity
- What is the origin of triceps?
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Long head: infraglenoid tubercle
Lateral head: above spiral groove
Medial head: below spiral groove - What is the insertion of triceps?
- Olecranon process of the ulna
- Action of supraspinatus?
- Abduction
- Action of infraspinatous?
- Extension, lateral rotation
- Action of teres minor?
- Extension, lateral rotation
- Action of subscapularis?
- Adduction, medial rotation
- Action of anterior deltoid?
- Flexion, abduction, adduction, medial rotation, horizontal adduction
- Action of middle deltoid?
- Abduction
- Action of posterior deltoid?
- Extension, abduction, lateral rotation, horizontal abduction
- Action of latissimus dorsi?
- Extension, adduction, medial rotation
- Action of teres major?
- Extension, adduction, medial rotation
- Action of pectoralis major?
- Flexion, extension, adduction, medial rotation, horizontal adduction
- Action of coracobrachialis?
- Flexion, adduction
- Action of biceps?
- Flexion
- Action of triceps?
- Extension
- Which muscles are the twins?
- Infraspinatus & teres minor
- What do the anterior muscles have in common?
- Flexion, medial rotation & horizontal adduction
- Which muscle assists abduction?
- Middle deltoid
- Which muscle is the multitasker?
- Pectoralis major
- Which nerve innervates supraspinatus?
- Suprascapular nerve
- Which nerve innervates infraspinatus?
- Suprascapular nerve
- Which nerve innervates subscapularis?
- Subscapular nerve
- Which nerve innervates teres major?
- Subscapular nerve
- Which nerve innervates teres minor?
- Axillary nerve
- Which nerve innervates the deltoids?
- Axillary nerve
- Which nerve innervates coracobrachialis?
- Musculocutaneous nerve
- Which nerve innervates biceps?
- Musculocutaneous nerve
- Which nerve innervates latissimus dorsi?
- Thoracodorsal nerve
- Which nerve innervates pectoralis major?
- Pectoral nerve
- Which nerve innervates triceps?
- Radial nerve
- What is the anterior wall(border) of the axilla?
- Pectoralis major
- What is the posterior wall(border) of the axilla?
- Latissimus dorsi & teres major
- What is another name for the subacromial bursa?
- Subdeltoid bursa