Muscles Of Upper Limb 1

Question 1

most superficial muscle in the pectoral region is???

Answer 1

Pectoralis major

Question 2

PECTORALIS MAJOR

• broad or narrow?
• ___ shaped
• superficial or deep?
• ___ heads

Answer 2

Broad

fan

Superficial

2

Question 3

List the heads of the pectoralis major

Answer 3

sternocoastal head

-clavicular head

Question 4

Pectoralis major

Clavicular head – originates from the _____ surface of the ______

Sternocostal head – originates from the ___ surface of the sternum, the _______ and the aponeurosis of the ______ muscle.

Answer 4

anterior; medial clavicle.

anterior

superior six costal cartilages

external oblique

Question 5

Pectoralis major

INSERTION: _____ of ____

Answer 5

intertubercular sulcus

humerus

Question 6

Pectoralis major

ACTION: (1)____ and ______ UL and draws scapula _____
(2)clavicular head acts individually to ___ UL

Answer 6

adducts

medically rotates

anteroninferiorly

flex

Question 7

Pectoralis major

INNERVATION: _____ pectoral nerves and _____ pectoral nerves

Answer 7

lateral C5-C7

medial C8-T1

Question 8

pectoralis minor lies_____ the pectoralis major.

Answer 8

underneath

Question 9

Pectoralis minor

ORIGIN: _____ surface of ____ from _ to _

Answer 9

Anterior

ribs

3-5

Question 10

Pectoralis minor

INSERTION: _____ process of ____

Answer 10

coracoid

scapula

Question 11

Pectoralis minor

ACTION: stabilize ____ by drawing it ______ against the ____

Answer 11

scapula

anteroinferiorly

Thoracic cage

Question 12

Pectoralis minor

INNERVATION : _____ nerve
C_ to __

On the brachial plexus, anterior or posterior ?

Answer 12

medial pectoral

C8-T1

Anterior

Question 13

The serratus anterior is located more _____ in the chest wall compared to other pectoral region muscles

Answer 13

laterally

Question 14

Serratus anterior

ORIGIN: (medial or lateral?) part of ____ from - to -

Answer 14

Lateral

ribs 1-8

Question 15

Serratus anterior

INSERTION: ____ face/_____border of the ____

Answer 15

coastal

medial

scapula

Question 16

Serratus anterior

ACTION: (1) _____ the scapula allowing it to be raised ______ degrees
(2)holds the _____ against the rib cage

Answer 16

rotates

over 90

scapula

Question 17

Serratus anterior

INNERVATION : _____ nerve

On the brachial plexus, it’s

Anterior or posterior roots?

From ___ to ___

Answer 17

long thoracic

Posterior

C5,C6,C7

Question 18

subclavius is (small or large ?) muscle, which is located directly underneath the ____, running (vertically or horizontally?) .

Answer 18

Small

clavicle

Horizontally

Question 19

Subclavius muscle affords some ______ to the underlying neurovascular structures (e.g in cases of clavicular fracture or other trauma).

Answer 19

minor protection

Question 20

Subclavius

ORIGIN : ____ border of the junction of the ____ and _____

Answer 20

superior

first rib

it’s coastal cartilage

Question 21

Subclavius

INSERTION: ____ surface of ____ of _____

Answer 21

inferior

middle

clavicle

Question 22

Subclavius

ACTION: ____ and _____ the clavicle

Answer 22

anchors and depresses

Question 23

Subclavius

INNERVATION : ____

On the brachial plexus, anterior or posterior??

___ and ___ roots

Answer 23

nerve to subclavius

Anterior

C5 and C6

Question 24

Winging of the Scapula
If the _____ nerve is damaged and the serratus anterior therefore paralysed), a specific clinical sign is produced.

In cases such as this, the scapula is no longer held against the ____ and ____ out of the _____. It is said to have a ‘ ____’ appearance.

Answer 24

long thoracic

ribcage

protrudes

Back

winged

Question 25

Long thoracic nerve palsy is thought to most commonly occur from _____ injuries, where the upper limb is ____ violently.

Answer 25

traction stretched

Question 26

The upper arm is located between the ____ joint and ____ joint.

Answer 26

shoulder elbow

Question 27

Upper arm contains ___ muscles _____ in the anterior compartment and ___ in the posterior compartment

Answer 27

four three one

Question 28

Muscles of the upper arm anterior compartment ____ _____ ____

Answer 28

biceps brachii, brachialis, coracobrachialis

Question 29

Muscles of the upper arm posterior compartment ???

Answer 29

triceps brachii

Question 30

Arterial supply to the anterior compartment of the upper arm is via muscular branches of the ____ artery

Answer 30

brachial

Question 31

Anterior compartment of upper arm muscles are all innervated by the ______ nerve. On the brachial plexus, anterior or posterior?? Which roots??

Answer 31

musculocutaneous Anterior C5,C6,C7

Question 32

Biceps brachii muscle has - heads Triceps brachii muscle has - heads

Answer 32

2 3

Question 33

the majority of the muscle mass of biceps brachii is located (anteriorly or posteriorly ?) to the ____

Answer 33

Anteriorly humerus

Question 34

Biceps brachii attached to the humerus T/F

Answer 34

F it has no attachment to the bone itself.

Question 35

As the tendon of biceps brachii enters the forearm, a connective tissue sheet is given off – the ______

Answer 35

bicipital aponeurosis

Question 36

bicipital aponeurosis forms the ____ of the cubital fossa and blends with the _____ of the anterior forearm.

Answer 36

roof deep fascia

Question 37

Biceps brachii ORIGIN: long head : _____ of _____ short head : ____ of ____

Answer 37

supreglenoid tubercle scapula coracoid process scapula

Question 38

Which is more lateral? Short or long head of biceps brachii

Answer 38

Long head

Question 39

Biceps brachii INSERTION: ______

Answer 39

radial tuberosity

Question 40

Biceps brachii ACTION: _____ of forearm _____ arm at ____ and ____

Answer 40

supination flexes elbow and shoulder

Question 41

The brachialis muscle lies (superficial or deep?) to the biceps brachii

Answer 41

Deep

Question 42

Brachialis muscle is found more _____ than the other muscles of the arm.

Answer 42

distally

Question 43

Brachialis muscle forms the ____ of the cubital fossa.

Answer 43

floor

Question 44

Brachialis muscle ORIGIN: ____ and _____ of _____

Answer 44

medial and lateral shaft humerus

Question 45

Brachialis muscle INSERTION: ______ just distal to the _____ joint

Answer 45

ulna tuberosity elbow

Question 46

Brachialis muscle ACTION: _____ at the ____

Answer 46

flexion elbow

Question 47

Brachialis muscle INNERVATION : _____ nerve and ____ nerve

Answer 47

musculocutaneous radial

Question 48

Radial nerve On the brachial plexus Anterior or posterior Which roots?

Answer 48

Posterior C6,7,8

Question 49

The coracobrachialis muscle lies ____ to the biceps brachii in the arm.

Answer 49

deep

Question 50

Coracobrachialis ORIGIN: _____ of _____

Answer 50

coracoid process scapula

Question 51

Coracobrachialis INSERTION: _____ side of humerus at the level of _____

Answer 51

medial deltoid tubercle

Question 52

Coracobrachialis ACTION: ____ of the arm at the ___ and strong or weak?) __uction

Answer 52

flexion shoulder Weak add

Question 53

A complete rupture of any tendon in the body is (common or rare?).

Answer 53

rare

Question 54

the ____ head of the biceps brachii is one of the more common tendons to rupture. This produces a characteristic sign when you _____ the elbow – a ___ where the muscle belly is, called the ‘ _____ Sign’. The patient would not notice much weakness in the upper limb due to the action of the ____ and ____ muscles.

Answer 54

long Flex bulge Popeye brachialis and supinator

Question 55

Triceps brachii The _____ head lies deeper than the other two, which cover it.

Answer 55

medial

Question 56

Arterial supply to the posterior compartment of the upper arm is via the ______ artery.

Answer 56

profunda brachii

Question 57

The profunda brachii artery - also referred to as the ___ brachial artery - is the ___ and _____ branch of the brachial artery. - It originates from the ____ portion of the brachial artery

Answer 57

deep First largest posterior

Question 58

TRICEPS BRACHII ORIGIN: long head- ______ medial head- on the ______, (superior or inferior?) to the ____ lateral head- on the _____ , (superior or inferior?) to the ____

Answer 58

infraglenoid tubercle humerus Inferior radial groove humerus Superior; radial groove

Question 59

Triceps brachii INSERTION : _____ of ____

Answer 59

olecranon of ulna

Question 60

Triceps brachii ACTION: _____ of the arm at the ____

Answer 60

extension elbow

Question 61

Triceps brachii INNERVATION : _____ nerve On the brachial plexus, Anterior or posterior? Which roots?

Answer 61

radial Posterior C6,7,8

Question 62

In some individuals, the long head of the triceps brachii is innervated by the _____ nerve.

Answer 62

axillary