Lab 4

Question 1

Type of bone the humerus is

Answer 1

Long bone

Question 2

What part of scapula does head of humerus articulate with

Answer 2

Glenoid cavity

Question 3

Anatomical name for shoulder joint

Answer 3

Glenohumeral Joint

Question 4

Classification of glenohumeral joint

Answer 4

Diarthrotic synovial triaxial ball & socket

Question 5

Rotator cuff muscles that insert at greater tubercle

Answer 5

Supraspinatus, Infraspinatus, teres minor

Question 6

Lesser tubercle rotator cuff muscle

Answer 6

Subscapularis

Question 7

What does Biceps Brachii muscle articulate with

Answer 7

Sulcus

Question 8

Where does deltoid muscle insert

Answer 8

Deltoid tuberosity

Question 9

Origin of the hand flexor muscles in forearm

Answer 9

Medial Epicondyle

Question 10

Origin of hand extensor muscles in forearm

Answer 10

Lateral Epicondyle

Question 11

What does the Trochlea articulate with

Answer 11

Ulna

Question 12

What does the Capitulum articulate with

Answer 12

Radius

Question 13

Where does triceps brachii muscle insert

Answer 13

Olecrannon process of Ulna

Question 14

What does the Trochlea notch articulate with

Answer 14

Trochlea of humerus

Question 15

What does Ulnar notch of radius articulate with

Answer 15

head of ulna

Question 16

What does Radial notch of Ulna articulate with

Answer 16

head of radius

Question 17

Is radius larger at proximal or distal end

Answer 17

Distal (at wrist joint)

Question 18

What bones make up the carpus (wrist)

Answer 18

Carpal bones

Question 19

What bones make up the palm (metacarpus)

Answer 19

Metacarpal bones

Question 20

What bones make up the phalanges (digits)

Answer 20

Phalanx bones

Question 21

3 out the 8 bones of Carpals

Answer 21

Trapezium, Scaphoid, Lunate

Question 22

What type of bone are the carpals

Answer 22

short bones

Question 23

Fibrous cartilage lip in glenohumeral socket

Answer 23

Glenoid labrum

Question 24

3 types of Bursae in shoulder

Answer 24

Subcoracoid Bursa, Subacromial Bursa, Subdeltoid bursa

Question 25

The 3 synovial joints the elbow consists of

Answer 25

Humeroulnar joint, humeroradial joint, Proximal radioulnar joint

Question 26

Humeroulnar Joint

Answer 26

Trochlea of humerus fits into Trochlear notch of Ulna

Question 27

Movements & type of joint - humeroulnar joint

Answer 27

flexion, extension (hinge joint)

Question 28

Movements & type - humeroradial joint

Answer 28

flexion, extension (hinge joint)

Question 29

The 3 joints that are Radioulnar joints

Answer 29

Proximal radioulnar, middle radioulnar joint & distal radioulnar joint

Question 30

What type of joint is the proximal radioulnar joint

Answer 30

Diarthrotic synovial monaxial pivot joint

Question 31

What type of joint is the middle radioulnar joint

Answer 31

Diarthrotic synovial monomial plane joint

Question 32

Sheet of fibres b/w radius & ulna

Answer 32

Interosseous membrane

Question 33

Joints of the wrist

Answer 33

Radioulnar joint, radoiocarpal joint, intercarpal joint

Question 34

What type of joint is the radoiocarpal joint

Answer 34

condyle joint (flex/ex, add/abd, circum)

Question 35

What type of joint is the intercarpal joint

Answer 35

plane joint (sliding and slight twisting)

Question 36

Rotator Cuff Muscles (anterior)

Answer 36

Subscapularis muscle (medially rotates arm at shoulder)

Question 37

Rotator Cuff Muscles (posterior)

Answer 37

Supraspinatus, Infraspinatus, Teres Minor

Question 38

Supraspinatus muscle

Answer 38

assists in abduction of arm at shoulder

Question 39

Infraspinatus muscle

Answer 39

laterally rotates arm at shoulder

Question 40

Teres Minor Muscle

Answer 40

laterally rotates arm at shoulder (scapula to greater tubercle)

Question 41

What muscles help protonate the hand

Answer 41

Protonator teres and protonator quadratus muscle

Question 42

What muscle supinates the hand

Answer 42

Supinator muscle

Question 43

Where do the common extensors of the wrist orginate

Answer 43

Lateral epicondyle of humerus

Question 44

Where do the common flexors of the wrist orginate

Answer 44

Medial epicondyle of humerus

Question 45

Thenar eminence

Answer 45

Act on the thumb, raised part of palm

Question 46

Hypothenar eminence

Answer 46

act on little finger

Question 47

What movements does the Biceps Brachii do?

Answer 47

Flexion of arm at shoulder joint, flexion of forearm at elbow joint, supination of hand

Question 48

What movements does the Brachialis muscle do?

Answer 48

Flexion of forearm at elbow joint