Bio 231 @ Oit - Lab 3 [External Images]

Front 1

Bone - Ulna

Back 1

The longer medial bone of the forearm.

Front 2

Bone feature - Olecranon process of the Ulna

Back 2

Identify

Front 3

Bone feature - Trochlear (Semilunar) notch of the Ulna

Back 3

Identify

Front 4

Bone feature - Coronoid process of the Ulna

Back 4

Identify

Front 5

Bone feature - Radial notch of the Ulna

Back 5

Identify

Front 6

Bone feature - Head of Ulna

Back 6

Identify

Front 7

Bone feature - Styloid process of Ulna

Back 7

Identify

Front 8

Bone - Radius

Back 8

The smaller bone of the forearm, located lateral to the Ulna.

Front 9

Bone feature - Head of Radius

Back 9

Identify

Front 10

Bone feature - Neck of Radius

Back 10

Identify

Front 11

Bone feature - Radial tuberosity of Radius

Back 11

Identify

Front 12

Bone feature - Styloid process of Radius

Back 12

Identify

Front 13

Bone feature - Ulnar notch of Radius

Back 13

Identify

Front 14

Bone - Name the eight bones of the wrist, starting proximally and medially, give name for these bones in general

Back 14

Scaphoid (navicular), lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate. Known as carpals.

Front 15

Bone - Scaphoid (navicular)

Back 15

Identify

Front 16

Bone - Lunate

Back 16

Identify

Front 17

Bone - Triquetrum

Back 17

Identify

Front 18

Bone - Pisiform

Back 18

Identify

Front 19

Bone - Trapezium

Back 19

Identify

Front 20

Bone - Trapezoid

Back 20

Identify

Front 21

Bone - Capitate

Back 21

Identify

Front 22

Bone - Hamate

Back 22

Identify

Front 23

Bone feature - Hook of Hamate

Back 23

Identify

Front 24

Bone - Metacarpals

Back 24

Bones of the palm, numbered 1-5 from thumb

Front 25

Bone - Proximal Phalanges

Back 25

Numbered 1-5 from thumb

Front 26

Bone - Middle Phalanges

Back 26

Numbered 2-5

Front 27

Bone - Distal Phalanges

Back 27

Numbered 1-5

Front 28

Joint - Metacarpophalangeal joints

Back 28

Numbered 1-5

Front 29

Joint - Interphalangeal joint

Back 29

Numbered 1

Front 30

Joint - Proximal interphalangeal joint

Back 30

Numbered 2-5

Front 31

Joint - Distal interphalangeal joint

Back 31

Numbered 2-5

Front 32

Musculature - Brachioradialis muscle

Back 32

This muscle passes along the lateral surface of the forearm.
O - lateral supracondylar ridge at distal end of humerus
I - base of styloid process of radius

Front 33

Musculature - Extensor carpi radialis longus muscle

Back 33

A thin muscle deep to the brachioradialis
O - lateral supracondylar ridge of humerus
I - base of second metacarpal

Front 34

Musculature - Extensor carpi radialis brevis muscle

Back 34

The next muscle deep to the extensor carpi radialis longus
O - lateral epicondyle of humerus
I - base of third metacarpal

Front 35

Musculature - Supinator muscle

Back 35

The triangular shaped muscle deep on the lateral surface of the elbow
O - lateral epicondyle of humerusl proximal ulna
I - proximal end of radius

Front 36

Musculature - Extensor digitorum muscle

Back 36

This muscle lies medial to the extensor carpi radialis brevis. It is visible just below the supinator.
O - lateral epicondyle of humerus
I - by four tendons into extensor expansions and distal phalanges of fingers 2-5

Front 37

Musculature - Extensor carpi ulnaris muscle

Back 37

Lies next to the extensor digitorum.
O - lateral epicondyle of humerus and posterior border of ulna
I - base of fifth metacarpal

Front 38

Musculature - Pronator teres muscle

Back 38

This muscle is located on the medial surfaces of the forearm just distal to the tendon of the biceps.
O - medial epicondyle of humerus; coronoid process of ulna
I - by common tendon into lateral radius, midshaft

Front 39

Musculature - Flexor carpi radialis muscle

Back 39

This is a thin muscle just medial to the pronator
O - medial epicondyle of humerus
I - base of second and third metacarpals

Front 40

Musculature - Palmaris longus muscle

Back 40

The next medial muscle of the forearm (palm).
O - medial epicondyle of humerus
I - palmar aponeurosis; skin and fascia of palm

Front 41

Musculature - Flexor carpi ulnaris muscle

Back 41

A large, broad muscle
O - medial epicondyle of humerus; olecranon process and posterior surface of ulna
I - pisiform and hamate bones and base of fifth metacarpal

Front 42

Musculature - Flexor digitorum superficialis muscle

Back 42

This muscle can be seen lying beneath the tendons of the flexor carpi radialis and Palmaris longus
O - medial epicondyle of humerus, coronoid process of ulna; shaft of radius
I - by four tendons into middle phalanges of fingers 2-5

Front 43

Musculature - Flexor digitorum profundus muscle

Back 43

This muscle lies deep to the flexor digitorum superficialis.
O - coronoid process, anteromedial surface of ulna, interosseous membrane
I - by four tendons into distal phalanges of fingers 2-5

Front 44

Musculature - Thenar muscle

Back 44

Allows the thumb to grasp objects, opposes extensor pollicis brevis and abductor pollicis longus muscles

Front 45

Musculature - Extensor pollicis brevis muscle

Back 45

Retracts the thumb, opposes Thenar muscle
O - dorsal shaft of radius and ulna; interosseus membrane
I - base of proximal phalanx of thumb

Front 46

Musculature - Abductor pollicis longus muscle

Back 46

Retracts the thumb, opposes Thenar muscle
O - posterior surface of radius and ulna; interosseus membrane
I - base of first metacarpal and trapezium

Front 47

Ligament - Flexor retinaculum

Back 47

Stabilizes the wrist and anchors the tendons which control the hand