Anatomy 1- Shoulder & pectoral griddle region 1

Question 1

what does the cubital region contain

Answer 1

cubital median vein

Question 2

what 3 bones make the pectoral griddle

Answer 2

scapula
clavicle
sternum

Question 3

name 3 functions of the clavicle

Answer 3

1- rigid support from which scapula and free limb suspended
2- protection to neurovascular bundle of upper limb
3- transmits shock from upper limb to axial skeleton

Question 4

which end of the clavicle is rounded and thicker

Answer 4

sternal end

Question 5

which end of the clavicle is flat

Answer 5

acromion end

Question 6

is the anterior medial end of the clavicle concave or convex

Answer 6

convex

Question 7

is the anterior lateral end of the clavicle concave or convex

Answer 7

concave

Question 8

what is the WEAKEST AREA of the clavicle & most common fracture site

Answer 8

medial 2/3

lateral 1/3

Question 9

what rib is at the same level as the superior angle of the scapula

Answer 9

rib 2

Question 10

what rib is at the same level as the inferior angle of the scapula

Answer 10

rib 7

Question 11

what fractures can occur to the scapula (5)

Answer 11

acromial fracture
coracoid process fracture
scapular body fracture
glenoid fracture
scapular winging

Question 12

at what joint does the hummers and the scapula articulate

Answer 12

glenohumeral joint (glenoid process of scapula and head of humerus)

Question 13

at what joint does the hummers and the radius/ulna articulate

Answer 13

elbow joint

Question 14

most common fracture site of the humerus!!!

Answer 14

SURGICAL NECK

Question 15

what are the 3 joints of the pectoral region

Answer 15

sternoclavicular
acromioclavicular
gelenohumeral

Question 16

what type of joint is the sternoclavicular joint

Answer 16

SADDLE- but acts as BALL AND SOCKET

Question 17

what is the function of the articular disc

Answer 17

it divides the sternoclavicular into 2 parts and is a shock absorber

Question 18

how is the sternoclavicular joint strengthened

Answer 18

anterior & posterior sternoclavicular ligament
and
interclavicular ligament

Question 19

BLOOD SUPPLY OF STERNOCLAVICULAR JOINT

Answer 19

• INTERNAL THORACIC ARTERY

- SUPRASCAPULAR ARTERY

Question 20

NERVE SUPPLY OF STERNOCLAVICULAR JOINT

Answer 20

• SUPRACLAVICULAR NERVE

- NERVE TO SUBCLAVIUS

Question 21

what is more serious, posterior or anterior dislocation of clavicle

Answer 21

posterior

more structures passing

Question 22

what type of joint is the acromioclavicular joint

Answer 22

PLANE with fibrocartilage

Question 23

what is the capsule of the acromioclavicular joint strengthened by

Answer 23

superior & inferior acromioclavicular ligament
and
coracoclavicular ligament

(the coracoacromion killish malha shgl)

Question 24

BLOOD SUPPLY OF ACROMIOCLAVICULAR JOINT

Answer 24

• SUPRASCAPULAR ARTERY

- THORACOACROMIAL ARTERY

Question 25

NERVE SUPPLY OF ACROMIOCLAVICULAR JOINT

Answer 25

- LATERAL PECTORAL NERVE | - AXILLARY NERVE

Question 26

what is shoulder separation

Answer 26

1- dislocation of acromioclavicular joint | 2- lesions of anterior&posterior acromioclavicular ligament AND coracoclavicular ligament

Question 27

how can you dislocate the acromioclavicular joint

Answer 27

falling laterally on shoulder tip

Question 28

what is more common, dislocation of acromioclavicular joint or sternoclavicular joint

Answer 28

ACROMIOCLAVICULAR JOINT!

Question 29

what type of joint is the shoulder (glenohumeral) joint

Answer 29

BALL AND SOCKET

Question 30

what is the purpose of the glenoid labrum

Answer 30

glenoid cavity is deepened by the glenoid labrum so that 1/3 of the humerus head will fit

Question 31

what is the capsule of the glenohumera joint attached to (medial and lateral)

Answer 31

medial: glenoid cavity lateral: anatomical neck of humerus

Question 32

what is a bursa

Answer 32

closed sac filled with synovial fluid to reduce friction between moving surfaces

Question 33

what are the rotator cuff muscles

Answer 33

subscapularis muscle supraspinatous muscle infraspinatous muscle teres minor muscle

Question 34

what is the WEAKEST part of the glenohumeral joint capsule

Answer 34

inferior part | bcz. no ligament and not rotator cuff

Question 35

what provides a protective arch to prevent humerus dislocation

Answer 35

coracoacromial ligament | ely mn sa3 ma kaan la fayda

Question 36

BLOOD SUPPLY OF GLENOHUMERAL JOINT

Answer 36

-ANTERIOR & POSTERIOR CIRCUMFLEX ARTERY

Question 37

NERVE SUPPLY OF GLENOHUMERAL JOINT

Answer 37

- SUPRASCAPLAR NERVE - AXILLARY NERVE - LATERAL PECTORAL NERVE

Question 38

what provides stability to the glenohumeral joint

Answer 38

1- muscles rotator cuff 2- tendons long head of biceps 3- skeletal coracoid and acromion (both superior) 4- ligaments coracoacromial and coracohumeral and glenohumeral

Question 39

what is more common, superior or inferior dislocation of shoulder joint

Answer 39

inferior

Question 40

what ligaments support the sternoclavicular joint

Answer 40

- anterior and posterior sternoclavicular ligament | - interclavicular

Question 41

what ligaments support the acromioclavicular joint

Answer 41

- fibers of trapezius - superior and inferior acromioclavicular ligaments - coracoclavicular ligament

Question 42

what ligaments support the glenohumeral joint

Answer 42

- superior and medial and inferior glenohumeral ligaments - coracohumeral ligament - coracoacrommial ligament