Wrist And Hand Bones

Question 1

Three main groups of bones

Answer 1

Phalanges
Metacarpals
Carapals

Question 2

How many bones in a hand?

Answer 2

27

Question 3

How many carpals are there?

Answer 3

8

Question 4

Name all carpal bones (one row at a time)

Answer 4

Scaphoid
Lunate
Triquetral
Pisiform

Trapezium
Trapezoid
Capitate
Hamate

Question 5

How do we categorise phalanges in a finger?

Answer 5

Proximal, middle and distal

Question 6

Classify the radiocarpal joint

Answer 6

Synovial ellipsoid

Question 7

What movements are available at an ellipsoid joint

Answer 7

Flexion/Extension
Side to side rocking

Question 8

Name and classify the joint

Answer 8

Radiocarpal Joint
Ellipsoid

Question 9

Name and classify the joint

Answer 9

Midcarpal joint
Complex saddle

Question 10

Name and classify the joint

Answer 10

First Carpometacarpal joint
Synovial COMPLEX saddle
bc allows opposition aswell

Question 11

Name and classify the joint and available movements

Answer 11

*First Carpometacarpal joint
*Synovial saddle

Flexion/Extension
Abduction/Adduction
Opposition

Question 12

Name and classify the joint

Answer 12

2nd-5th carpometacarpal joint
Synovial plane

Question 13

Name and classify the joint

Answer 13

Metacarpal phalangeal
Synovial ellipsoid

Question 14

Name and classify the joint

Answer 14

Interphalangeal joint of thumb and proximal interphalangeal joints

Synovial hinge

Question 15

Name and classify the joint

Answer 15

Distal inerphalangeal joint
Synovial hinge

Question 16

Anterior ligaments that stabilise the wrist joint

Answer 16

Palmar radiocarpal ligaments
Palmar ulnocarpal ligaments

Question 17

Posterior ligaments of the wrist

Answer 17

Dorsal radiocarpal ligaments
Dorsal ulnocarpal ligaments

Question 18

Radial collateral ligament attachments

Answer 18

From: styloid process of the distal radius

To: scaphoid and trapezium

Question 19

Ulnocarpal collateral ligament attachments

Answer 19

From: styloid process of ulna
To: Triquetrum and pisiform

Question 20

Superficial anterior wrist

Answer 20

Flexor Carpi Radialis
Palmaris Longus
Flexor Digitorum Superficialis
Flexor Carpi Ulnaris
Pronator teres

Question 21

Original of all superficial wrist flexor muscles?

Answer 21

The common flexor tendon on the medial epicondyle of humerus

Question 22

Pronator teres attachments

Answer 22

From: Common flexor tendon of medial epicondyle of humerus
& medial aspect of coronoid process of ulnar head

To: middle of anterior radius

Question 23

Pronation muscles?

Answer 23

Pronator teres
Pronator quadratus
Brachioradialis

Question 24

Supination muscles

Answer 24

Supinator
Biceps brachii
Brachioradialis

Question 25

Deep flexors (2)

Answer 25

Flexor pollicies longus Flexor digitorum profundus

Question 26

Posterior superficial compartment (6)

Answer 26

Brachioradialis Extensor carpi radialis longus (ECRL) Extensor carpi radialis brevis (ECRB) Extensor carpi ulnaris (ECU) Extensor digitorum (ED) Extensor digits minimi(EDM)

Question 27

Posterior Deep compartment (5)

Answer 27

Supinator Abductor Pollicis Longus (APL) Extensor Pollicis Longus (EPL) Extensor Pollicis Brevis (EPB) Extensor Indicis (EI)

Question 28

Flexor digitorum superficialis

Answer 28

From: supracondylar ride of medial epicondyle of the humerus and proximal half of anterior surface of radius To: middle phalanx of digits 1-4

Question 29

Muscles of the thenar eminence

Answer 29

Abductor Pollicis Brevis (APB) Flexor Pollicis Brevis (FPB) Opponens Pollicis (OP) Adductor Pollicis (AP)

Question 30

Intermediate muscles of the hand

Answer 30

Lumbricals Palmar interossei Dorsal interrossei

Question 31

Hypothenar eminence

Answer 31

Abductor digiti minimi Flexor digiti minimi brevis Opponens digiti minimi Palmaris brevis

Question 32

Muscles of the hypothenar eminence are innervated by?

Answer 32

Ulnar nerve

Question 33

Mucles of the thenar eminence are all innervated by?

Answer 33

Median nerve Except adductor Pollicis which is ulnar nerve

Question 34

How to remember deep posterior forearm

Answer 34

Snuff box borders (EPL, EPB ,APL) Supinator and extensor indicis