MSK DROP IN OSCE 2018

Question 1

Identify the structure labelled A – be specific?

Muscle that runs through the inter tubercular groove of the humerus?

Answer 1

The long head of the biceps brachii

Question 2

Give the spinal nerve root values of the nerve labelled B? (Musculocutaneous nerve)

Answer 2

C5-7

Question 3

Identify the structure labelled A? (Present at the medial humeral epicondyle)

Answer 3

The Ulnar nerve

Question 4

Give the innervation of the muscle labelled B? (Pronator teres)

Answer 4

Median nerve

Question 5

Identify the structure labelled A? (Palmer surface of the hand, think thumb)

Answer 5

Adductor pollicis

Question 6

Give the innervation of the muscle labelled? (3rd lumbrical labelled)

Answer 6

Ulnar nerve

Question 7

Give the actions of the muscle labelled A? (teres major labelled)

Answer 7

Adduction & Medial rotation of arm/shoulder

Question 8

Give the innervation of muscle labelled B? (Deltoid)

Answer 8

Axillary nerve

Question 9

Identify the structure labelled A? (wet dorsal hand, extends thumb)

Answer 9

Extensor pollicis longus

Question 10

What type of joint is found at B? (PIP joint labelled)

Answer 10

Synovial hinge

Question 11

Give two (2) actions of the muscle labelled A? (gluteus medius labelled)

Answer 11

Abduction & Medial rotation of hip

Question 12

dentify the muscle labelled B?

Answer 12

Piriformis

Question 13

Give the innervation of the muscle labelled B? (Gracilis labelled)

Answer 13

Obturator n

Question 14

What is the action of muscle B on the hip joint? (semitendinosus labelled)

Answer 14

Extension

Question 15

Give the innervation of the muscle labelled B? (fibularis longus m. labelled)

Answer 15

Superficial fibular n

Question 16

Identify the muscle labelled A? (sole of foot muscle)

Answer 16

Quadratus plantae

Question 17

Give the innervation of the muscle labelled B? (flexor digitorum longus tendon in sole of foot labelled)

Answer 17

Tibial nerve

Question 18

Disrupted sensation over region A may be associated with injury to which peripheral nerve? (Lateral dorsum of hand)

Answer 18

Radial nerve

Question 19

Identify B, artery within snuffbox?

Answer 19

Radial artery

Question 20

Disrupted sensation over dermatome A (thumb) may be associated with dysfunction of which spinal segment?

Answer 20

C6

Question 21

Name two muscles in the hand innervated by nerve B? (Median nerve)

Answer 21

FPB, APB, OP (1 mark each), thenar muscles (1 mark), lumbricals 1 & 2 (1 mark)

Question 22

Which way the shoulder rotates when the muscle B contracts? (Infraspinatus)

Answer 22

Lateral rotation

Question 23

Which structure has its distal attachment to A? (Tibial tuberosity)

Answer 23

Quadriceps femoris tendon, Ligamentum patella or patellar ligament

Question 24

Which vein lies immediately anterior to A? (Medial malleolus)

Answer 24

Great saphenous vein

Question 25

What movement of the foot, if extreme, may fracture A? (Medial malleolus)

Answer 25

Eversion

Question 26

Which excessive hip movement the structure B prevents? (Iliofemoral ligament )

Answer 26

Extension or hyperextension

Question 27

Identify the structure labelled A? (Main muscle on anterior of lower leg)

Answer 27

Soleus

Question 28

What is the function of muscle B? (Popliteus)

Answer 28

Unlocks the knee joint or flexion of knee

Question 29

Name two common actions of muscles A on hip joint? (Sartorius)

Answer 29

Abduction, flexion and lateral rotation

Question 30

What is the innervation of muscle A? (Sartorius)

Answer 30

Femoral nerve

Question 31

Which muscle does A pierce to reach the popliteal fossa? (Femoral artery)

Answer 31

Adductor magnus

Question 32

What is the root valve of nerve B? (Femoral nerve)

Answer 32

L2, L3 and L4

Question 33

What movement occurs at joint A? (Ankle joint)

Answer 33

Dorsiflexion and plantar flexion

Question 34

Identify the bone labelled B?

Answer 34

Navicular