Scapula/ Shoulder

Question 1

Deltoid

Answer 1

O-Lateral 1/3 Clavicle, Acromion process, Lateral Spine of Scapula
I- Deltoid Tuberosity of humerus
A- ABD, Flexion, EXT, MEdial and LAt. ROT. @ GH
N- Axillary nerve

Question 2

Teres Minor

Answer 2

O - Superior Lateral border of Scapula
I- Inferior Facet of the Greater Tubercle of Humerus
A- LAteral ROT @GH
N- Axillary nerve

Question 3

Infraspinatus

Answer 3

O- Infraspinous fossa of the scapula
I- Middle Facet of greater Tubercle of Humerus
A- Lateral ROT @ GH
N- Suprascapular nerve

Question 4

Supraspinatus

Answer 4

O- Supraspinous Fossa of Scapula
I- Superior Facet of the Greater Tubercle of Humerus
A- Abduction of the humerus at SH
N- Suprascapular nerve

Question 5

Subscapularis

Answer 5

O- SUBscapular Fossa of Scapula
I- Lesser Tubercle of Humerus
A- Medial ROtation of arm at Shoulder
N- upper and Lower Subscapular nerves

Question 6

Teres Major

Answer 6

O- Inferior Lateral Border of Scapula
I- Medial lip of Bicipital Groove
A- Medial Rotates, EXT and Adducts arm at GH
N- Lower Subscapular Nerve

Question 7

Latissimus Dorsi

Answer 7

SP’s T7-L5 Posterior Sacrum and Posterior Iliac, via the Thoracolumbar Fascia
I- Floor of Bicipital Groove of Humerus
A- EXT, ADD, MEd ROT and Ant Pelvic Tilt
N- Thoracodorsal Nerve

Question 8

Rhomboids

Answer 8

O:Minor- SPs C7-T1Major SP’s T2-T5
I-Mnr- Med. border, Scap @ root spine
I-Mjr- Med border Scap btwn spine + infr angle
A- Retracts Elevates Downward Med. ROT Scap @ Scapulocostal
N- Dorsal Scapular

Question 9

Levator Scapulae

Answer 9

O- TVP’s C1-C4
I- Med bordr of scap superior 2 root of spine
A- Elevates, Lateral FLEX, EXT, and Dwnrd. ROT, Ipsi Rot. of Scap @ SC jt
N- Dorsal Scapular Nerve

Question 10

Trapezius

Answer 10

O- External Occipital Protuberance
Medial 1/2 Superior Nuchal Line
Nuchal Ligament, SP’s C7-T12
I- Lat. 1/3 Clavicle, Acromion, Spine of Scapula
A-Elevation, Lateral/upwrd ROT Lat FLEX, EXT heand + neck. Retracts, Depression and Lateral Upward rot of scap
N- Spinal Accessory Nerve

Question 11

Pectoralis Major

Answer 11

O- Med 1/2 clavicle, sternum, Costal Cartilage Cartilage of Ribs 1-7
I- Lat. Lip, Bicipital Groove, Humerus
A- Adducts, Medially ROT, ADD, Horizontal Add. Flexes arm @ GH
N- Medial and Lateral Pectoral Nerve

Question 12

Subclavius

Answer 12

O - 1st rib, junction at costal cartilage
I- Middle, 1/3 infr srfce, subclavian groove of clavicle
A- Depresses clavicle @ Sternocostal jt.
ELevates 1st Rib
Stabilizes clavicle
N- nerve to Subclavius

Question 13

Pectoralis minor

Answer 13

O - Anterior surfaces, Ribs 3-5 @ Costocartilages
I- Coracoid process of Scapula
A- Depression, Protraction, Downward Medial ROT of Scap
Raise Ribs 3-5 @ Sc and CS joints
N- Medial Pectoral Nerve