Ch 10 Flashcards
Joint Capsule
thin-walled, spacious container that attaches around the rim of the glenoid fossa of the scapula and the anatomical neck of the humerus.
Anterior Deltoid Proximal attach
Lateral third of clavicle
Anterior Deltoid Distal Attach
Deltoid tuberosity
Anterior deltoid actions
Flexion, abduction, horizontal adduction, medial rotation
Anterior deltoid nerve
Axillary nerve
Middle Deltoid prox attach
Acromion process
Middle Deltoid Dist attach
deltoid tuberosity
Middle deltoid actions
Abduction
Middle deltoid nerve
Axillary nerve
Posterior Deltoid Prox attach
Spine of scapula
Posterior Deltoid dist attach
Deltoid Tuberosity
Posterior Deltoid actions
Extension, abduction, horizontal abduction, and lateral rotation
Pectoralis Major Clavicular portion Prox attach
Clavicle
Pectoralis Major Clavicular portion dist attach
Bicipital groove of humerus
Pectoralis Major Clavicular portion actions
Flexion (first 90 degrees)
-adduction, medial rotation, and horizontal adduction
Pectoralis Major Clavicular portion nerve
pectoral nerve
Pectoralis Major Sternal portion Prox attach
Sternum
Pectoralis Major Sternal portion dist attch
Bicipital groove
Pectoralis Major Sternal portion actions
Extension (from 180-120 degrees)
-adduction, medial rotation, and horizontal adduction
Pectoralis Major Sternal portion nerve
Pectoral Nerve
Latissimus Dorsi prox attach
Spinous process t7-L5, Thoracolumbar Fascia
Latissimus Dorsi distal attach
bicipital groove
Latissimus Dorsi actions
extension, adduction, and medial rotation
Latissimus Dorsi Nerve
Thoracodorsal nerve
Teres Major prox attach
inferior angle of scapula
Teres Major dist attach
bicipital groove
Teres Major actions
extension, adduction, and medial rotation
Teres Major Nerve
Subscapular nerve
Supraspinatus Prox attach
Supraspinous fossa
Supraspinatus dist attach
Greater tubercle of the humerus
Supraspinatus actions
abduction (stabilize head into glenoid fossa)
Supraspinatus nerve
Suprascapular nerve
Infraspinatus Prox attach
Infraspinous fossa
Infraspinatus dist attach
Greater tubercle
Infraspinatus actions
Lateral rotation, horizontal adduction
Infraspinatus Nerve
Suprascapular nerve
Teres Minor prox attach
Lateral border of scapula
Teres Minor dist attach
Greater tubercle of humerus
Teres Minor actions
lateral rotation, horizontal abduction,
Teres Minor nerve
axillary nerve
Subscapularis prox attach
Subscapular fossa of scapula
Subscapularis dist attach
Lesser tubercle of humerus
Subscapularis actions
medial rotation
assists in adduction
Subscapularis nerve
Subscapular nerve
Coracobrachialis Prox attach
Coracoid process
Coracobrachialis dist attach
Mid Humerus
Coracobrachialis Actions
Flexion
stabilize shoulder joint
Coracobrachialis Nerve
Musculocutaneous nerve
Biceps Brachii prox attach
Long head: Supraglenoid tubercle
Short head: coracoid process
Biceps Brachii dist attach
Radial tuberosity
Biceps Brachii actions
Shoulder flexion
Biceps Brachii nerve
Musculocutaneous Nerve
Triceps prox attach
Long head: infraglenoid tubercle of scapula
Lateral head: greater tubercle
Medial head: posterior humerus
Triceps dist attach
Olecrannon process of ulna
Triceps actions
Shoulder extension
Triceps Nerve
Radial Nerve