T-Spine & Chest

Question 1

Subclavius

Answer 1

O- 1st rib

I- middle 1/3 of clavicle

A- assists in stabilization of clavicle
depression of clavicle

N- nerve to subclavius

Question 2

Pectoralis Minor

Answer 2

O- ribs 3-5

I- coracoid process of scapula

A- stabilizes scapula for arm movements
depresses & downwardly rotates scapula

N- medial pectoral nerve

Question 3

Latissimus Dorsi

Answer 3

O- SPs of T7-L5, thoracolumbar fascia, iliac crest, posterior sacrum & ribs 9-12

I- bicipital groove of humerus

A- adduction, medial rotation & extension of shoulder

N- thoracodorsal nerve

Question 4

Rhomboid Major

Answer 4

O- SPs of T2-T5

I- medial border of scapula

A- retraction (adduction)of scapula

N- dorsal scapular nerves

Question 5

Rhomboid Minor

Answer 5

O- SPs of C7 & T1

I- medial border of scapula

A- retraction (adduction) of scapula

N- dorsal scapular nerve

Question 6

Serratus Posterior Superior

Answer 6

O- SPs of C7-T3

I- ribs 2-5

A- elevation of ribs

N- intercostal & subcostal nerves

Question 7

Serratus Posterior Inferior

Answer 7

O- SPs of T11-L2

I- ribs 9-12

A- depression of ribs 9-12

N- intercostal & subcostal nerves