Muscles

Question 1

Muscles in which connect scapula to body ?

Answer 1

Facial:trapezius
Deep:levator scapula,rhomboid minor and major

Question 2

Trapezius info?

Answer 2

Origin:occipital and c1-c7(ligament) and t1-t12(spinous process)
Insertion:spine of scapual and acromion and clavicle
Nervation:shock nerve + anterior root of c3 and c 4
Work:raising the scapula and rotation of ir

Question 3

Deltoid?

Answer 3

Origin:spine of scapula and acromion and clavicle
Insertion:deltoid tubercle of humerus
Nervation: axillary nerve
Artery: posterior circumflex humeral
Work:abduction of arm (after 15’ ke tavasote supra spinatous anjam mishabad)

Question 4

Levator scapula?

Answer 4

Origin:transverse process of c1-c4
Insertion:posterior surface od scapula between superior angle and spine
Nervation:anterior root of c3 and c5 and posterior scapular
Work:raising scapula

Question 5

Rhomboid minor and major?

Answer 5

Origin:spinous process of c4-t1(minor) t2-t5(major)
Insertion:scapula under superior angle
Nervation:posterior scapula
Work:raising and traction of scapula

Question 6

Posterior scapular region muscles?

Answer 6

Supra spinatous, infra spinatous, tres minor , tres major

Question 7

Supra spinatous?

Answer 7

Origin:supraspinatous fossa
Insertion:upper part of great tubercle of humerus
Work:15’ of abduction of arm

Question 8

Infra spinatous?

Answer 8

Originf:infra spinatous fossa
Insertion:middle of great tubercle of humerus
Work:lateral rotation

Question 9

Tres minor?

Answer 9

Origin:posterior surface of scapula a flat place at the inferior part
Insertion:lower part of great tubercle of humeros
Work:lateral rotation

Question 10

Tres major?

Answer 10

Origin : a oval place at inferior part of posterior surface of scapula
Insertion:medial crest of intertubercular groove
Work:medial rotation + extension

Question 11

Long head of triceps brachi?

Answer 11

Origin:infraglenoid tubercle
Insertion:olocranon of ulna
Work:main extensor of forearm
Extension and adduction of humerus

Question 12

What passes from quadrangle space?(at back)

Answer 12

Axillary nerve and posterior circumflex humeral artery

Question 13

What passes from triangulat space?

Answer 13

Circumflex scapular artery and vein

Question 14

What passes from Triangular interval(فاصله)?

Answer 14

Rradial nerve and profunda brachii artery and vein (شبکه بازویی عمقی)

Question 15

Which muscles does suprascapular nerve support?

Answer 15

Supraspinatous and jncra spinatous

Question 16

Most important back scapular arteries?

Answer 16

Suprascapular,posterior circumflex humeral,circumflexscapular

Question 17

Origin of supra scapular artery

Answer 17

Thyro cervical (which originates from sublacivan)

Question 18

Origination of circumflex scapular artery?

Answer 18

Subscapular artery

Question 19

What forms axillaries inlet(ورودی)?

Answer 19

Lateral margin of First rib and clavicle and superior margin of scapula to coracoid process

Question 20

How neurovascular system inserts into axilla?

Answer 20

Anteriorly:vein then artery and then brachial plexus

Question 21

What forms anterior wall of axillry?

Answer 21

Pectoralis major and minor and subclavius

Question 22

Pectoralis major?

Answer 22

Origin:rib and sternum and clavicle
Insertion:lateral crest of intertubercular groove of humerus
Main nervation:lateral pectoral and medial pectoral
Work:adduction and flexion and medial rotation of arm

Question 23

Pectoralis minor?

Answer 23

Origin:ribes 3 to 5
Insertion:coracoid process
Nervation: medial pectoral
Work:pulling shoulder downwards

Question 24

Subclavius muscle?

Answer 24

Origin:attachment of rib 1 and cartilage
Onsertion:clavicle
Work:pulling shoulder downward

Question 25

Pectoralis fascia?

Answer 25

Between subclavius and pectoralis minor muscle

Question 26

What makes medial wall of axilla?

Answer 26

Superior park of thoracic cage and seratus anterior

Question 27

Seratus anterior?

Answer 27

Origin:ribs 1 to 9(fascia cobering them) Insertion:costal part of scapula Nervation:long thoracic Work:drags scapula into thoracic and helps in the rotation of it

Question 28

Where does intercosto brachial nerve originate from and where does it go ?

Answer 28

It originates from intercostal nerve (anterior root of t2) and goes to axilla to connect with a brachial branch nerve and then it goes to medial posterior part of arm its a cutaneous nerve

Question 29

Where does tres major insert to?

Answer 29

Medial creat of interrubercular nerve

Question 30

Where does latissimus dorsi insert to ?

Answer 30

Kafe navdan beyne tokmeyu

Question 31

What forms lateral wall of axilla?

Answer 31

Intertubercular groove

Question 32

What forms posterior wall of axilla?

Answer 32

Costal surface of scapula and distal part of latissmus dorsi and tres major and proximal part of triceps brachi and subscapularis

Question 33

What supports kaf e axill?

Answer 33

Clavipectoral fascia

Question 34

What passes through axilla?

Answer 34

Coracobrachialis and biceps brachi muscle

Question 35

Biceps brachi ?

Answer 35

``` Origin:long head:supeaglenoid tubrcle Short head:coracoid Insertion:radial tubercle Nerve:musculocutaneous nerve Work:flexion of forearm and supination of forearm and flexion of arm ```

Question 36

Coracobracialis?

Answer 36

Origin:coracoid Insertion:attaches to middle of humerus (zebr shodegi)