Anatomy muscle insertions

Question 1

Upper trapezius

Answer 1

Origin/s:Ocipital Protuberance, Ligamentum nuchae, spine C7-T12
Insertion: Spine of scapula, acromium, lateral clavicle
Nerve roots: Cranial nerve C3-C4

Question 2

Levator Scapulae

Answer 2

Origin: Tansverse process of C1-C4
Insertion: superior angle and proximal medial scapula
Nerve roots: Dorsal scapular nerve C3-C5

Question 3

Rhomboids

Answer 3

Origin: Spinous process of C7-T5
Insertion: Vertebral border of scapula
Nerve roots: Dorsal scapular nerve C4-C5

Question 4

Pec Minor

Answer 4

Origin: anterior ribs 3-5
Insertion: Coracoid process
Roots: Medial pectoral nerve C6-T1

Question 5

Serratus Anterior

Answer 5

Origin: Anterior ribs 1-8
Insertion: Medial border of anterior scapula
Roots: Long thoracic C5-C7

Question 6

Deltoid

Answer 6

Origin: Lateral clavicle, acromium, spine of scapula.
Instertion: Deltoid tuberosity
Roots: Axillary Nerve C5-6

Question 7

Pec Major

Answer 7

Origin: medial clavicle, sternum, costal cartilage of ribs 1-6
Insertion: Lateral lip of bicipital groove
Roots: Medial nerve C7-T1, Lateral pectoral nerve C5-7

Question 8

Latissimus Dorsi

Answer 8

Origin: Spinous processes of T6-Lumbar and Sacrum spinous processes, Illiac crest, Thoracolumbar fascia
Insertion: medial lip and floor of bicipital groove
Roots: Thoracodorsal nerve C6-8

Question 9

Teres Major

Answer 9

Origin: Inferior angle of scapula
Insertion: Medial lip of bicipital groove.
Roots: Lower subscapular nerve C5-6

Question 10

Subclavius

Answer 10

Origin: first rib
Insertion: undersurface of clavicle
Roots: nerve to subclavius C5-6

Question 11

Coracobrachialis

Answer 11

Origin: coracoid process
Insertion: Medial humorous
Roots: Musculocutaneous nerve C5-7

Question 12

Supraspinatus

Answer 12

Origin: Supraspinatus fossa
Insertion: Greater tubercle of humorous
Roots: Suprascapular nerve C5-6

Question 13

Infraspinatus

Answer 13

Origin: Infraspinatus fossa
Insertion: Greater tubercle of humorous
Roots: Suprascapular nerve C5-6

Question 14

Teres minor

Answer 14

Origin: upper 1/3rd medial scapula border
Insertion: Greater tubercle of humorous
Roots: Axillary nerve C5-6

Question 15

Subscapularis

Answer 15

Origin: subscapular fossa
Insertion: lesser tubercle of humorous
Roots: Subscapular nerve C5-6

Question 16

Biceps brachii

Answer 16

Origin/s: Short-Coracoid process. Long- Supraglenoid tubercle.
Insertion: Radial tuberosity
Roots: Musculocutaneous nerve C5-7