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Phase 1 > MSK: anatomy > Flashcards

MSK: anatomy Flashcards

1
Q

What structures move through the flexor retinaculum

A

Median nerve

4 tendons of flexor digitorum superficialis

4 tendons of flexor digitorum profundus

1 tendon of the flexor carpi radialis

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2
Q

What branch of the median nerve supplies the thenar group

A

Recurrent

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3
Q

What are the borders of the anatomical snuff box

A

Extensor pollicus longus and brevis

Contains scaphoid bone

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4
Q

When is supination at its weakest

A

At full extension of arm

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5
Q

When is supination and pronation strongest

A

When elbow joint is flexed at 90 degrees

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6
Q

How does damaging root T1 affect the hand

A

Paralyses the whole hand

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7
Q

What is the brachioradialis innervated by

A

Radial nerve

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8
Q

What is the bicep femoris innervated by

A

Long head - tibial branch of sciatic nerve

Short head - common fibular branch of sciatic

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9
Q

What are the borders that make up the popliteal fossa

A

Superomedial - semimembranous
Superolateral - biceps femoris
Inferomedial - gastrocnemius (medial head)
Inferolateral - gastrocnemius (lateral) and plantaris

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10
Q

What is inside the popliteal fossa

A

Popliteal artery

Tibial nerve

Popliteal vein

Common fibular nerve

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11
Q

What muscle inserting into the thumb is not part of the Thenar group of muscles

A

Adductor pollicis muscle

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12
Q

What is the adductor pollicis muscle innervated by

A

Ulnar nerve

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13
Q

What is the extensor carpi ulnaris innervated by

A

Deep branch of the radial nerve

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14
Q

Why is the adductor policies muscle not a thenar muscle

A

Because it originates from the third metacarpal whilst thenar muscle all originate from a ligament that connects to the hypothenar muscles.

https://upload.wikimedia.org/wikipedia/commons/4/4f/Hand_dissection_5.jpg

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15
Q

Do we have a flexor digits minimi longus muscle

A

No, just a brevis

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16
Q

does the little finger have an adductor or abductor muscle

A

Has only got an abductor muscle

Thumb as an adductor AND abductor

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17
Q

What do the left and right external iliac artery branch into

A

The femoral artery -> Deep femoral artery + Politeal artery

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18
Q

How long is the femoral canal

A

1.3 cm long

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19
Q

How long is the adductor canal

A

15cm

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20
Q

What make up the borders of the adductor canal

A

Anterior: Sartorius
Lateral: Vastus Medialis
Posterior: Adductor Longus + Magnus
Apex: Adductor Hiatus

21
Q

What is the adductor Hiatus

A

A gap between the adductor and hamstring attachments of the adductor magnus

22
Q

Why is the adductor canal important to note

A

Because the femoral artery and vein turn into the popliteal artery and vein as they pass through the canal

23
Q

What are the borders that form the femoral triangle

A

Superior - Inguinal Ligament
Lateral - Sartorius Muscle
Medial - Medial border of the adductor longus muscle
Roof - Fascia Lata
Base - Pectineus, Iliopsoas, adductor longus muscles

24
Q

WHat part of the femoral triangle acts as the flexor retinaculum

A

The inguinal ligament

25
Q

What is the role of a flexor retinaculum

A

Supports the content of the femoral triangle during flexion

E.g. Inguinal ligaments does this during flexion at the hip

26
Q

What are the contents of the femoral triangle

A 
NAVEL:
Nerve (femoral)
Artery (femoral)
Vein
Empty
Lymph
27
Q

Why do we need a space in the femoral triangle

A

To allow distension of the veins + lymph vessels

28
Q

What is the cubital fossa

A

Marks the transition between the anatomical arm and forearm

29
Q

What are the borders of the cubital fossa

A

An imaginary straight line between the lateral and medial epicondyles

Medial wall of pronator teres

Lateral wall of the brachioradialis

30
Q

What are the contents of the cubital fossa

A

Really Need Beer To Be At My Nicest

RN - Radial Nerve
BT - Bicep Tendon
BA - Brachial Artery
MN - Median Nerve

31
Q

What forms the borders of the anatomical snuffbox

A

Medial: Tendon of extensor pollicis longus
Lateral: Tendon of abductor pollicis longus + extensor pollicis brevis
Proximal: Styloid process of radius
Floor: Scaphoid and trapezium
Roof: Skin

32
Q

What are the contents of the anatomical snuffbox

A

Radial Artery
Radial Nerve
Cephalic Vein

Raisons Are Reasonably Nice Covered in Vodka

33
Q

What structure is the axilla located under

A

The glenohumeral joint

34
Q

What forms the borders of the axilla

A

Apex - Lateral border of first rib, scapula and clavicle
Lateral - Formed by intertubercular groove of the humerus
Medial - Serratus Anterior + Thoracic Wall
Anterior - Pectoralis Major, Pectoralis Minor and subclavian muscles
Posterior - Subscapularis, teres major and latissimus dorsi

35
Q

What are the contents of the axilla

A 
Axillary Artery
Axillary Vein
Brachial Plexus
Biceps Brachii + Coracobrachialis
Axillary Lymph Nodes
36
Q

Name two lateral rotator muscles of the leg

A

Piriformis

Obturator externus

37
Q

What are the five adductor muscle groups

A
  1. Pectineus
  2. Adductor brevis
  3. Adductor Longus
  4. Adductor Magnus
  5. Gracilis
38
Q

Name the tarsal bones

A 
T - Talus
N - Navicular
C - Cuneiform
C - Cuboidal
C - Calcaneus

Cheesy Captain Crabs Needs Turtles

39
Q

What does the popliteal artery divide into

A

Anterior tibial artery
Posterior tibial artery
Fibular artery

40
Q

What is the junction between the hamstring and adductor part of the adductor magnus called

A

Adductor hiatus

41
Q

Why is the adductor hiatus important

A

Because this is where the femoral artery becomes the popliteal artery

42
Q

What two ligaments stabilise the ankle joint

A

The medial and lateral Malleolus

43
Q

What kind of joint links the tibia and fibia together

A

Syndesmosis joint

44
Q

Where are seasmoid bones located

A

At the distal end of foot metatarsals

45
Q

What is the calcification of seasmoid bones a sign of

A

pubertal growth spurt

46
Q

How many heads does the flexor hallicis brevis have

A

Two heads

47
Q

In what tendons are the seasmoid bones found in the foot

A

In the flexor hallicis brevis

48
Q

In what tendons are seasmoid bones found in the hands

A

Adductor pollicis and flexor pollicis brevis muscle

49
Q

Innervation of foot lumbricals

A

1st lumbrical (Medial plantar) and 3 lateral lumbricals (Lateral plantar nerves)

Phase 1 (30 decks)

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