Shoulder/Arms

Question 1

What is the Action and Never Innervation for Deltoid

Answer 1

All Fibers - Abduct

Anterior Fibers - Flex, Medially Rotate & Horizontally Adduct the shoulder

Posterior Fibers - Extend, Laterally Rotate & Horizontally Abduct the shoulder

Nerve Innervation - Axillary, C5&6

Question 2

Actions & Never Innervation of Traps

Answer 2

Upper Fibers - (bi) Extend (uni) Laterally Flex to the same side, Rotate to opposite side, Elevate and Upwardly Rotate the scap

Middle Fibers - Adduct & Stabilize the scap

Lower Fibers - Depress & Upwardly Rotate the scap

Never Innervation - Spinal portion of Cranial Never XI & Ventral Ramus C2,3&4

Question 3

Latissimus Doris Never Innervation, Actions, Origin and Insertion

Answer 3

Never Innervation - Thoracodorsal C6,7&8

Actions - Extends, Medially Rotates & Adducts the shoulder

Origin - Inferior angle of scap, SP of T7-T12, Posterior Iliac crest & Thoracolumbar Fascia

Insertion - Intertubercular groove of humerus

Question 4

Teres Major Never Innervation, Actions, Origin & Insertion

Answer 4

Never Innervation - Lower Subscap C5,6&7

Actions - Extends, Adducts, & Medially Rotates the shoulder

Origin - Inferior angle & lower 1/3 of the lateral border of scap

Insertion - Crest of Lesser Tubercle of humerus

Question 5

Actions & Nerve Innervation for Supraspinatus

Answer 5

Action - Abducts & Stabilize the shoulder

Never Innervation - Suprascapular C4,5&6

Question 6

Infraspinatus Actions, Origin, Insertion & Never Innervation

Answer 6

Origin - Infraspinatus Fossa of the scap

Insertion - Greater Tubercle of the humerus

Actions - Laterally Rotates & Adducts the shoulder, & stabilizes the head of humerus

Never Innervation- Suprascapular C4,5&6

Question 7

Action, Origin, Nerve Innervation & Insertion for Teres Minor

Answer 7

Origin - Upper 2/3 of lateral border of the scap

Insertion - Greater Tubercle of humerus

Actions - Laterally Rotates & Adducts the shoulder & stabilize the head of humerus

Never Innervation - Axillary C5&6

Question 8

Subscapularis Actions & Never Innervation

Answer 8

Actions - Medially Rotates shoulder & stabilizes head of humerus

Never Innervation- Upper & Lower subscapular C5,6&7

Question 9

Rhomboid Major Actions, Origin, Insertion & Never Innervation

Answer 9

Actions - Adduct, Elevate & Downwardly Rotate scap

Origin - Spinous Processes T2-T5

Insertion - Lower Medial border of scap between inferior angle & spine of scap

Never Innervation - Dorsal Scapular C4&5

Question 10

Rhomboid Minor Actions, Origin, Insertion & Never Innervation

Answer 10

Origin - Spinous Processes of C7-T1

Insertion - Upper portion of Medial border across from spine of scap

Actions - Adducts, Elevates & Downwardly Rotates the scap

Never Innervation - Dorsal scapular C4&5

Question 11

Levator Scap Actions & Never Innervation

Answer 11

Actions - (uni) Elevate, Downwardly Rotate, Laterally Flex & Rotate same side (bi) Extend

Never Innervation - Cervical C3&4 & Dorsal scapular C4&5

Question 12

Actions, Origin, Insertion & Never Innervation for Serratus Anterior

Answer 12

Origin - External surface of upper 9 ribs

Insertion - Anterior surface of Medial border of the scap

Actions - Abducts, Upwardly Rotates, Depress, & Holds the scap

Never Innervation - Long Thoracic C5,6,7&8

Question 13

Pec Major Actions & Never Innervation

Answer 13

Actions - (All) Adduct & Medially Rotates shoulder (Upper) Flex & Horizontally Adduct shoulder (Lower) Extend

Never Innervation - (Upper) Lateral Pectoral C5,6&7 (Lower) Lateral & Medial Pectoral C6,7,8&T1

Question 14

Pec Minor Actions, Origin, Insertion & Never Innervation

Answer 14

Actions - Depress, Abduct & Downwardly Rotate scap

Origin - 3rd-5th Ribs

Insertion - Medial surface of coracoid process of scap

Never Innervation - Medial pectoral w/ Fibers from a communicating branch of the lateral pectoral C6,7,8&T1

Question 15

Subclavius Never Innervation

Answer 15

Subclavian C5&6

Question 16

Biceps Brachii Origin, Insertion, Actions & Never Innervation

Answer 16

Origin - (Short head) Coracoid process of Scap (Long head) Supraglenoid tubercle of scap

Insertion - Tuberosity of radius & Aponeurosis of the biceps brachii

Action - Flex (elbow&shoulder) & Supinate forearm

Never Innervation - Musculocutaneous C5&6

Question 17

Triceps Brachii Action, Origin, Insertion & Never Innervation

Answer 17

Origin - (Long head) Infraglenoid tubercle of scap (Lateral head) Posterior surface of proximal half of humerus (Medial head) Posterior surface of distal half of humerus

Insertion - Olecranon process of the Ulna

Actions - (All) Extend (Long head) Extend & Adduct the shoulder

Nerve Innervation - Radial C6,7,8&T1

Question 18

Actions, Origin, Insertion & Nerve Innervation of Coracobrachialis

Answer 18

Actions - Flex & Adduct the shoulder

Origin - Coracoid process of scap

Insertion - Medial surface of mid-humeral shalf

Nerve Innervation - Musculocutaneous C6&7