Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
Anterior deltoid
Origin Insertion Action Innervation |
Anterior deltoid
Origin: anterior lateral third of the of clavicle Insertion: deltoid tuberosity on the lateral humerus Action: flexion, abduction (assist), internal rotation (assist), horizontal adduction Innervation: auxillary nerve C5, C6 |
|
Middle deltoid
Origin Insertion Action Innervation |
Middle deltoid
Origin: lateral aspect of the acromion Insertion: deltoid tuberosity on the lateral humerus Action: abduction, horizontal abduction Innervation: auxillary nerve C5, C6 |
|
Posterior deltoid
Origin Insertion Action Innervation |
Posterior deltoid
Origin: inferior edge of the spine of the scapula Insertion: deltoid tuberosity Action: extension, lateral rotation Innervation: axillary nerve C5, C6 |
|
Supraspinatus
Origin Insertion Action Innervation |
Supraspinatus
Origin: medial two-thirds of the supraspinatus fossa Insertion: superiorly on the greater tubercle of the humerus Action: abduction, horizontal abduction (assist) Innervation: suprascapular nerve C5 |
|
Pectoralis major (clavicular)
Origin Insertion Action Innervation |
Pectoralis major (clavicular)
Origin: medial half of the anterior surface of the clavicle Insertion: flat tendon 2 or 3 inches wide to the lateral lip of the intertubercular groove of the humerus Action: flexion, abduction (assist), internal rotation (assist), horizontal adduction Innervation: lateral pectoral nerve C5-C7 |
|
Pectoralis major (sternal)
Origin Insertion Action Innervation |
Pectoralis major (sternal)
Origin: anterior surfaces of the costal cartilage of the first six ribs, and adjacent portion of the sternum Insertion: flat tendon 2 or 3 inches wide to the lateral lip of the intertubercular groove of the humerus Action: extension, adduction, internal rotation (assist), horizontal adduction Innervation: medial pectoral nerve C8, T1 |
|
Coracobrachialis
Origin Insertion Action Innervation |
Coracobrachialis
Origin: coracoid process of the scapula Insertion: middle of the medial border of the humeral shaft Action: flexion, adduction (assist), horizontal adduction Innervation: musculocutaneous nerve C5-C7 |
|
Subscapularis
Origin Insertion Action Innervation |
Subscapularis
Origin: entire anterior surface of the subscapular fossa Insertion: lesser tubercle of the humerus Action: internal rotation Innervation: upper and lower subscapular nerve C5, C6 |
|
Latissimus dorsi
Origin Insertion Action Innervation Teres Major Origin Insertion Action Innervation |
Latissimus dorsi
Origin: posterior crest of the ilium, back of the sacrum, and spinous processes of the lumbar and T6-T12, slips from the lower three ribs Insertion: medial lip of the intertubercular groove of the humerus, just anterior to the insertion of the teres major Action: extension, adduction, internal rotation, horizontal abduction (assist) Innervation: thoracodorsal nerve C6-C8 Teres Major Origin: posteriorly on the inferior third of the lateral border of the scapula and just superior to the inferior angle Insertion: medial lip of the intertubercular groove of the humerus just posterior to the insertion of the latissimus dorsi Action: extension, adduction, internal rotation, horizontal abduction (assist) Innervation: lower subscapular nerve (C5, C6) |
|
Infraspinatus
Origin Insertion Action Innervation Teres minor Origin Insertion Action Innervation |
Infraspinatus
Origin: medial aspect of the infraspinatus fossa just below the spine of the scapula Insertion: posteriorly on the greater tubercle of the humerus Action: external rotation, horizontal abduction Innervation: suprascapular nerve C5, C6 Teres minor Origin: posteriorly on the upper and middle aspect of the lateral border of the scapula Insertion: posteriorly on the greater tubercle of the humerus Action: external rotation, horizontal abduction Innervation: axillary nerve C5, C6 |