Orgin And Insertions Section 3

Question 1

Deltoid

Answer 1

O: spine, acrimony, lateral clavicle
I: deltoid tuberosity
A: flexion, abduction, extension of the shoulder

Question 2

Pectoralis Major

Answer 2

O: lateral sternum, costal cartilage 1-7, medial clavicle
I: intertubercular groove
A: addiction and internal rotation of shoulder
IN: Medial and Lateral Nerves

Question 3

Pectoralis minor

Answer 3

O: coracoid process
I: Ribs 3-5
A: depression of the scapula
IN: Medial Pectoral

Question 4

Subscapularis

Answer 4

O: subscapular fossa
I: lesser tubercle
A: Internal rotation
IN: upper and lower scapular nerve

Question 5

Supra spinatus

Answer 5

O: supraspinous fossa
I: upper part of greater tubercle
A: abduction
IN: Suprascapular nerve

Question 6

Infraspinatus

Answer 6

O: infrospinous fossa
I: middle part of great tubercle
A: external rotation
IN: suprascapular nerve

Question 7

Teres Minor

Answer 7

O: latera; boarder of the scapula
I: lower part of the greater tubercle
A: external rotation
IN: axillary nerve

Question 8

Biceps Brachii

Answer 8

LHO: supraglenoid tubercle of the scapula
SHO: coracoid process
I: Radial Tuberosity
A: flexion and supination of elbow
IN: Muscularcutaneous nerve

Question 9

Coracobrachialis

Answer 9

O: coracoid process
I: medial side of the humerus
A:flexion abduction and internal rotation
IN: musculocutsneous nerve

Question 10

Brachialis

Answer 10

O: lower half of anterior humerus
I: ulnar tuberosity
A: Flexion of elbow
IN: musculocutaneous and radial nerves

Question 11

Triceps Brachii

Answer 11

LHO: infraglenoid tubercle of the scapula
LAHO: Radial Groove
MHO: Inferior radial groove
I: olecranon process of ulna
A: extension of the area
IN: radial nerve

Question 12

Brachioradials

Answer 12

O: lateral Supracondylar ridge of the humerus
I: radial stolid process
A: flexion of the elbow
IN: radial nerve

Question 13

What is in rotator cuff

Answer 13

-subscapularis
-supraspinatus
-Infraspinatus
-Tres minor