Exam 2, Day 1 muscles ( OIAs)

Question 1

Serratus Ventails

Answer 1

Orgin0 first 8-9 ribs
Inserion- Scapula
Action- pulls scapula foward, and rotates it upward

Question 2

scalenus posterior

Answer 2

Origin- cervical vertebrae
Insertion- rib 2
action- acting together, elevates rib during deep inhalation, acting singly, laterally flexes verbreal column

Question 3

scalenus Medius

Answer 3

Origin- cervical vertebrae
Insertion- rib 1
action- acting together, elevates rib during deep inhalation, acting singly, laterally flexes verbreal column

Question 4

Scalenus anterior

Answer 4

Origin- cervical vertebrae
Insertion- rib 1
action- acting together, elevates rib during deep inhalation, acting singly, laterally flexes verbreal column

Question 5

subscapularis

Answer 5

Orgin- scapula
Insertion- Humerus
Action- meddially rotates humerus, stablizes shoulder

Question 6

Triceps brachi long head

Answer 6

Orgin-scapula
Insertion-ulna
Action- extends forarm

Question 7

Triceps lateral

Answer 7

Orgin- humerus
Insertion- ulna
Action- extends forarm

Question 8

triceps Medis

Answer 8

Orgin- Humerus
Insertion-ulna
Action- extends forearm

Question 9

Brachalils

Answer 9

Orgin- humerus
Insertio-Ulna
Action- Flexes forearm

Question 10

Anconeus

Answer 10

Orgin-Humerus
Insertion- ulna
Action- extends forearm

Question 11

Brachioradials

Answer 11

Orgin-humerus
Insertion- radis
Action- flexes Forearm

Question 12

Extensor carpi radials ( Brevis and longus)

Answer 12

Orgin- humerus
Insertion- 2nd metacarpal
Action- extends hand

Question 13

Extensore digitorium

Answer 13

Orgin- humerus
Insertion- 4 digits ( Fingers)
Action-extends digits

Question 14

Extensor carpi ulnaris

Answer 14

Orgin- humerus and ulna
Insertion- 5th metacarpal
Action- extends and adducts wrist

Question 15

Biceps Brachii

Answer 15

Orgin- scapula
Insertion-radis
Action-flexes and supinates forearm

Question 16

Pronator teres

Answer 16

Orgin-Humerus and ulna
Insertion- radius
Action- pronates forarm

Question 17

Flexor carpi ulnaris

Answer 17

Orgin- humerus and ulna
Insertion- pisiform, hamate, 5th metacarpal
Action- flexes and adducts wrist

Question 18

plamaris longus

Answer 18

Orgin- humerus
Insertion- radius
Action- flexes and supinates forearm

Question 19

flexor carpi radius

Answer 19

Orgin- humerus
Insertion- 2nd and 3rd metacarpals
Action-flexes and abducts wrist

Question 20

Flexor digitorium profundus

Answer 20

Orgin- ulna
Insertion-distal phalnges
Action- flexes all distal phalanges