Compartmentalised

Question 1

What is the function of the anterior compartment of the forearm? and what is the majority innervation?

Answer 1

Flexion of the wrist and median nerve

Question 2

Name the 4 layers of the anterior compartment of the forearm and their muscle constituents

Answer 2

Superficial layer(arise form medial epicondyle of humerus)- Pronator teres, Flexor carpi radialis, palmaris longus and flexor carpi ulnaris

2- FLexor digitorum superficiallis

3-Flexor digitorum profundus, FLexor Pollicis longis

4- Pronator quadratus

Question 3

WHat flexes the MCP and PIP joints?

Answer 3

flexor digitorum superficialis

Question 4

WHat flexes the DIP joints?

Answer 4

Flexor digitorum profundus

Question 5

Answer 5

Yellow= Pronator Teres

Green= Flexor carpi radialis

Blue= Palmaris Longus

Red= Flexor carpi ulnaris

Question 6

Answer 6

Flexor digitorum superficialiis

Question 7

Answer 7

Red= Flexor pollicis longus

Blue- flexor digitorum profundus

Green= pronator quadratus

Question 8

What innervates the anterior compartment of the arm? and name the muscles

Answer 8

musculocutaneous nerve and Biceps brachii, brachialis and coracobrachialis

Question 9

Biceps brachii has 2 heads, name the overall action and the insertion of them

Answer 9

Flexion of the arm at shoulder and elbow, Long head origin = supraglenoid tubercle of the scapula and short head- coracoid process of scapula

Question 10

What is the origin of the brachialis and what is its action?

Answer 10

lower half of anterior humerus and the action if flexion of arm at elbow

Question 11

what is the origin and action of coracobrachialis?

Answer 11

coracoid process of scapula and the action is flexion of arm at shoulder

Question 12

Answer 12

Red= biceps brachii, Green= coracobrachialis and blue= brachiallis

Question 13

what innervates posterior arm? and what is its action?

Answer 13

radial nerve and extends arm at shoulder and elbow

Question 14

which head of the triceps cannot be seen?

Answer 14

the medial head

Question 15

what innervates the posterior forearm?

Answer 15

radial nerve

Question 16

what is the action of the posterior forearm?

Answer 16

extensors

Question 17

Answer 17

Yellow= supinator

Brown= extensor pollicis longus and brevis

blue= extensor indicis

Question 18

Answer 18

Red= brachioradiallis

Blue= extensor pollicis longus and brevis

Yellow= extensor digitorum

Green= extensor digiti minimi

Purple= extensor carpi ulnaris

Question 19

What muscles does the wrist have?

Answer 19

flexor retinaculum and extensor retinaculum

Question 20

what is the carpal tunnel?

Answer 20

space between flexor retinaculum and carpal bones

Question 21

name the carpal bones

Answer 21

scaphoid, lunate, triquetrum, pisiform, hammate, capitate, trapezioid, trapezium

Question 22

what innervates the lumbricals?

Answer 22

lateral 2= median nerve

Medial 2= ulnar nerve

Question 23

what provides sensation to the fingers?

Answer 23

lateral sensation= median nerve

medial sensation= ulnar nerve

Question 24

name the thenar muscles? and what are they innervated by? Action?

Answer 24

Abductor pollicis brevis, flexor pollicis brevis, opponones pollicis. Median nerve. FIne movements of the thumband origin at the base of thumb

Question 25

Where are the hypothenar muscles found, their names and innervation?

Answer 25

pinky, Abductor digiti minnimi, Flexor digiti minimi opponons digiti minnimi innervated by the ulnar nerve

Question 26

what does the ulnar nerve innervate?

Answer 26

medial half of flexor digitorum profundus, flexor carpi ulnaris and interossei muscles

Question 27

what innervates the lateral palmar surface and lateral 3.5 digits? What innervates the medial palmar surface and 1.5 digits?

Answer 27

median nerve Ulnar nerve

Question 28

What is the innervations of the thigh?

Answer 28

Anterior leg= femoral nerve Medial leg= obturator nerve posterior lg= sciatic nerve

Question 29

Name the three main bones of thigh and leg

Answer 29

the femur, Tibia= medial part of leg, Fibular= lateral leg

Question 30

What is the blood supply of the leg?

Answer 30

aorta--\> common iliac artery--\> external iliac artery--\> femoral artery --\> tibial and politeal

Question 31

what is the nerve suply?

Answer 31

sciatic nerve--\> common peroneal--\> deep peroneal nerve(anterior leg) and superficial peroneal nerve (lateral leg) tibial nerve= posterior leg

Question 32

Actions of anterior posterior and lateral leg?

Answer 32

anterior leg= dorsiflexion, posterior leg= plantarflexion and lateral leg= eversion

Question 33

what forms the femoral triangle and what passes through it?

Answer 33

inguinal ligament, sartorius adductor longus, FMEORAL VAN medial to lateral

Question 34

Answer 34

Light green= Psoas major Green= illiacus Yellow= rectus femoris Red= vastus mediallis Blue= vastus ateralis Purple= sartorius orange= pectineus

Question 35

Answer 35

Red= biceps femoris Blue= semi membranosus Yellow= semi tendinosus

Question 36

the function of these muscles and what muscle is missing

Answer 36

medial thigh muscles= hip adductors and gracillis

Question 37

Answer 37

Green= Tibiallis anterior Red= extensor digitorum longus Purple= extensor hollucis longus

Question 38

Answer 38

Top yellow= gastrocnemius purple= plantaris green= soleus bottom yellow= calcaneal tendon

Question 39

Answer 39

brown= popliteus red= tibiallis posterior green= flexor digitorum longus blue= flexor hollucis longus

Question 40

Answer 40

long= peroneus longus short= peroneus brevis

Question 41

What are the possible actions of the hip?

Answer 41

flexion, extension, adduction abduction, rotation=lateral and medial

Question 42

what flexes the hip?

Answer 42

sartorius and rectus femoris, ASIS And ISIS origins respectively

Question 43

Extension of hip?

Answer 43

gluteus maximus and semimembranosus and tendinosus and biceps femoris all originate from ischial tuberosity- what you sit on

Question 44

Adduction of hip?

Answer 44

medial leg, gracillis obturator externus and the adductors all come from pubis

Question 45

abduction of hip?

Answer 45

gluteus maximus and medius

Question 46

lateral rotation of hip

Answer 46

sartorius

Question 47

medial rotation of hip

Answer 47

gracillis, adductor magnus longus and brevis and pectineus

Question 48

flexion of leg?

Answer 48

back hamstring= biceps femoris, semi membranosus and semi tendinosus

Question 49

extension of leg?

Answer 49

front quads- rectus femoris, vastus lateralis and medialis and intermedius

Question 50

adduction of leg?

Answer 50

gracilis and adductors

Question 51

dorsiflexion?

Answer 51

anterior leg

Question 52

plantarflexion?

Answer 52

posterior leg

Question 53

eversion?

Answer 53

peroneus longus and brevis

Question 54

inversion

Answer 54

tibialis anterior and posterior

Question 55

4 ligaments of knee?

Answer 55

anterior and posterior cruciate ligaments and collaterals