Bones of the upper Extremities U3

Question 1

acromial end

Answer 1

this is the end of the clavicle that articulates the acromion process of the scapula

Question 2

Sternal end

Answer 2

this is the end of the clavicle that Articulates with the sternum

Question 3

Conoid tubercle

Answer 3

• closer to the acromial end of the clavicle

Attachment site for the coracoclavicular ligament on the clavicle

Question 4

Glenoid fossa

Answer 4

Articulates with the head of the humerus

- this is on the scapula

Question 5

Coracoid process

Answer 5

Attachment site for the coracobrachialis, short head of the biceps brachii, & pectoralis minor muscles & coracoclavicular ligament on the scapula

Question 6

Acromion process

Answer 6

Articulates with the clavicle, attachment for the middle part of the deltoid
- on the scapula

Question 7

Scapular spine

Answer 7

Separates the supraspinous and infraspinous fossa, attachment for the deltoid and trapezius muscles
- on the scapula

Question 8

Medial border

Answer 8

Attachment for the levator scapulae, rhomboid major, rhomboid minor, & serratus anterior (anterior portion of the medial border)
- on the scapula

Question 9

Lateral border

Answer 9

Attachment for teres minor

- on the scapula

Question 10

Inferior angle

Answer 10

Attachment site for the teres major muscle

- on the scapula

Question 11

Superior angle

Answer 11

Attachment for the levator scapulae

• on the scapula
• this is the most superior portion that then curves and becomes horizontal

Question 12

Subscapular fossa

Answer 12

Fossa on the anterior scapula that holds the subscapularis muscle
- on the scapula

Question 13

Supraspinous fossa

Answer 13

Fossa on the posterior surface that holds the supraspinatus

- on the scapula

Question 14

Infraspinous fossa

Answer 14

Fossa on the posterior surface that holds the infraspinatus

- on the scapula

Question 15

Supraglenoid tubercle

Answer 15

Attachment for the long head of the biceps brachii

- on the scapula

Question 16

Infraglenoid tubercle

Answer 16

below the glenoid fossa on the scapula

Attachment for the long head of the triceps

Question 17

Suprascapular notch

Answer 17

Passageway for the suprascapular nerve

Question 18

Head of humerus

Answer 18

Articulates with the glenoid fossa of the scapula

Question 19

Anatomical neck

Answer 19

Just distal to the head of the humerus

Question 20

Surgical neck

Answer 20

Common site for fractures of the humerus

Question 21

Deltoid tuberosity

Answer 21

Attachment for the deltoid muscle

- on the humerus

Question 22

Lesser tubercle on the humerus

Answer 22

Attachment for the subscapularis muscle (and teres major)

Question 23

Greater tubercle on the humerus

Answer 23

Attachment for the supraspinatus, infraspinatus, and teres minor

Question 24

intertubercular sulcus (groove)

Answer 24

Passageway for the tendon of the long head of the biceps; attachment for the latissimus dorsi and teres major muscles
- on the humerus

Question 25

Radial groove

Answer 25

Radial nerve travels here on its course around the posterior humerus

Question 26

Medial epicondyle of the humerus

Answer 26

Attachment site for muscles of the anterior forearm (flexors and pronator teres)

Question 27

Lateral epicondyle of the humerus

Answer 27

Attachment site for muscles of the posterior forearm (extensors and supinator)

Question 28

Lateral supracondylar ridge of the humerus

Answer 28

Attachment site for some posterior forearm muscles

Question 29

Medial supracondylar ridge of the humerus

Answer 29

Attachment site for some anterior forearm muscles

Question 30

Capitulum

Answer 30

Articulates with the head of the radius

Question 31

Trochlea

Answer 31

on the distal end of the anterior humerus on the medial side Articulates with the ulna

Question 32

Radial fossa

Answer 32

Space for radius during elbow flexion

Question 33

Coronoid fossa

Answer 33

this is above the capitulum | Space for the coronoid process of the ulna during elbow flexion

Question 34

Olecranon fossa

Answer 34

- on the distal end of the posterior humerus | Space for the olecranon process of the ulna during elbow extension

Question 35

Trochlear notch

Answer 35

Articulates with the trochlea of the humerus | - on the ulna

Question 36

Olecranon process

Answer 36

- enters the olecranon fossa on the humerus during elbow extension Attachment for the triceps brachii - on the ulna

Question 37

Coronoid process

Answer 37

Attachment for ligaments of the elbow - on the proximal end of the ulna and is below the trochlear notch - on the ulna

Question 38

Radial notch

Answer 38

site of the proximal articulation articulation with the head of the radius - on the ulna

Question 39

Head on the ulna

Answer 39

Articulates distally with the radius and with carpal bones

Question 40

Styloid process of the ulna

Answer 40

Attachment for a ligament of the wrist

Question 41

Head of the radius

Answer 41

Articulates with the ulna and humerus

Question 42

Radial tuberosity

Answer 42

Attachment for the biceps brachii tendon - this is located more proximal on the radius - it is on the medial side of the radius

Question 43

Styloid process of the radius

Answer 43

Attachment site for the brachioradialis muscle

Question 44

Ulnar notch

Answer 44

Distal articulation with the ulna on the radius

Question 45

carpometacarpal joints

Answer 45

these are the joints between the carpal bones and the metacarpal bones

Question 46

metacarpophalangeal joints (MCP)

Answer 46

- these are the joints between the metacarpal bones and the proximal phalanges

Question 47

proximal interphalangeal joints (PIP)

Answer 47

this is the joints between the proximal phalanges and the middle phalanges - there is not one on the thumb

Question 48

Distal interphalangeal joints (DIP)

Answer 48

- this is the joint between the middle and distal phalanges

Question 49

Interphalangeal joint (IP)

Answer 49

- this is the joint in the thumb between the proximal and distal phalange in the thumb