radanat 5

Question 1

What is the largest and longest bone of the upper limb?

Answer 1

Humerus

Question 2

What is the approximate length of the humerus in an adult relative to body height?

Answer 2

One-fifth of body height

Question 3

With which bone does the humerus articulate at the shoulder joint?

Answer 3

Scapula

Question 4

What is the most proximal part of the humerus called?

Answer 4

Head

Question 5

What is the anatomic neck of the humerus?

Answer 5

Slightly constricted area directly below and lateral to the head

Question 6

Where is the lesser tubercle located on the humerus?

Answer 6

Directly below the anatomic neck on the anterior surface

Question 7

What is the function of the greater tubercle on the humerus?

Answer 7

Attachment for the pectoralis major and supraspinatus muscles

Question 8

What is the intertubercular sulcus also known as?

Answer 8

Bicipital groove

Question 9

What is the deep groove between the two tubercles?

Answer 9

intertubercular sulcus

Question 10

Where is surgical neck located?

Answer 10

It is in the tapered area below the head and tubercles

Question 11

Why is the surgical neck of the humerus significant?

Answer 11

It is the site of frequent fractures requiring surgery

Question 12

What is the deltoid tuberosity?

Answer 12

Roughened raised triangular elevation along the anterolateral surface of the body of the humerus

Question 13

What two bones make up the shoulder girdle?

Answer 13

• Clavicle
• Scapula

Question 14

What is the primary function of the clavicle and scapula?

Answer 14

To connect each upper limb to the trunk or axial skeleton

Question 15

Where does the shoulder girdle connect to the trunk anteriorly?

Answer 15

At the upper sternum

Question 16

How are the clavicle and scapula connected to the trunk posteriorly?

Answer 16

By muscles only

Question 17

Where are clavicles located?

Answer 17

over the upper ANTERIOR rib cage

Question 18

Where are scapula located?

Answer 18

over the upper POSTERIOR rib cage

Question 19

Upper margin of scapula is at the same level of???

Answer 19

second posterior rib (T2)

Question 20

lower margin of scapula is at the same level of the???

Answer 20

seventh posterior rib (T7)

Question 21

The lower margin of the scapula corresponds to T7, also used as a landmark or location of the CENTRAL RAY (CR) or CHEST POSITIONING

Question 22

A long bone with a double curvature that has three main parts: two ends and a long central portion.

Answer 22

clavicle (collarbone)

Question 23

What is the acromial extremity of the clavicle?

Answer 23

Lateral end that articulates with the acromion of the scapula

Question 24

What joint is formed by the acromial extremity of the clavicle and the acromion of the scapula?

Answer 24

Acromioclavicular joint

Question 25

What is the sternal extremity of the clavicle?

Answer 25

Medial end that articulates with the manubrium of the sternum

Question 26

What is the name of the joint formed by the sternal extremity of the clavicle?

Answer 26

Sternoclavicular joint

Question 27

What is the general difference in clavicle size and shape between males and females?

Answer 27

Female clavicle is shorter and less curved; male clavicle is thicker and more curved

Question 28

What are the three borders of the scapula?

Answer 28

* Medial (Vertebral) Border * Superior Border * Lateral (Axillary) Border

Question 29

what is the medical term for armpit?

Answer 29

Axilla

Question 30

It is sometimes called the head of the scapula, is the thickest part and ends laterally in glenoid cavity

Answer 30

Lateral angle

Question 31

What is the glenoid cavity?

Answer 31

Shallow depression where the humeral head articulates with the scapula

Question 32

What is the joint between humeral head and glenoid cavity of scapula? (shoulder joint)

Answer 32

Scapulohumeral joint or Glenohumeral Joint

Question 33

The anterior surface of scapula is termed as ____

Answer 33

costal surface

Question 34

The middle area of costal surface presents a large concavity or depression known as ________

Answer 34

sub scapular fossa

Question 35

What is the Curved process that extends laterally over the head of the humerus?

Answer 35

acromion

Question 36

What is a thick, beaklike process that projects anteriorly beneath the clavicle?

Answer 36

coracoid process

Question 37

What is the notch on the superior border that is partially formed by the base of the coracoid process?

Answer 37

subscapular notch

Question 38

What type of joints are the shoulder girdle joints classified as?

Answer 38

Synovial joints

Question 39

What is the mobility type of the shoulder girdle joints?

Answer 39

Freely movable (diarthrodial)

Question 40

What type of joint is the scapulohumeral joint?

Answer 40

Ball-and-socket (spheroidal) joint

Question 41

What types of movement are allowed by the scapulohumeral joint?

Answer 41

* Flexion * Extension * Abduction * Adduction * Circumduction * Medial (internal) rotation * Lateral (external) rotation

Question 42

What is the significance of the shallow glenoid cavity?

Answer 42

Allows greatest freedom of mobility but at the expense of strength and stability

Question 43

What is the sternoclavicular joint classified as?

Answer 43

Double plane or gliding joint

Question 44

What type of movement primarily occurs at the acromioclavicular joint?

Answer 44

Gliding action

Question 45

True or False: The rotary movement at the acromioclavicular joint is extensive.

Answer 45

False