Msk Flashcards

0
Q

What is a simple fracture?

A

One where the skin is intact

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1
Q

What is a compound fracture?

A

One where the skin is not intact and risks the chances of infection

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2
Q

What is a stress fracture?

A

One where the bone is fractured due to over use and repetitive stress such as walking too much on metatarsals

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3
Q

What is the dorsalis pedis pulse and where?

A

It’s on the dorsum of your foot, between medial 1st metatarsal and ex digitorum and ex hallucis longus
Anterior tibial artery

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4
Q

Where is the great saphenous vein on the ankle?

A

Anterior to medial malleoli

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5
Q

Where is the small saphenous vein in the ankle?

A

Posterior to lateral malleoli

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6
Q

Why on saphenous cut down can you feel tingling by your little toe?

A

Saphenous nerve is also there, may damage or compress

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7
Q

Where is your posterior tibial pulse?

A

Post medial malleoli

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8
Q

What can compartment syndrome lead to?

A

Ischaemia

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9
Q

What are the 6 ps in compartment syndrome?

A
Pain
Pallor
Perishingly cold
Paraesthesia
Paralysis 
Pulse less
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10
Q

Why does it hurt so much when you mid fracture the tibia?

A

Periosteum has a rich blood supply

Subcutaneous

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11
Q

Where are the main perferators of the leg?

A

Ankle, calf, popliteal

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12
Q

What leads to skin ulcers?

A

Stagnation - poor nutrient supply - trauma

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13
Q

Why is the acilles tendon injured more in >40?

A

Degeneration

Poor blood supply

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14
Q

What bones of foot responsible for eversion and inversion?

A

Subtalar

Calcaneocuboid

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15
Q

What muscles support the medial longitudinal arch?

A

Peroneus longus
Tibialis posterior
Tibialis anterior
Flexor hallucis longus

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16
Q

What muscles support the lateral longitudinal arch?

A

Peroneus brevis

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17
Q

What bones make up the lateral longitudinal arch?

A

Calcareous
Cuboid
Lateral 2 metatarsals

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18
Q

Why in a child might they have flat feet?

A

Fat pad hasn’t deminished yet

Arch hasn’t finished developing

19
Q

How can you test sensory deep pain?

A

Pressure squeeze test

20
Q

How can you test sensory light touch?

A

Cotton wool

21
Q

How can you test sensory pain?

22
Q

How can you test sensory temperature?

A

Cold metal object

23
Q

What is the significance of the anatomical schnuff box?

A

Radial pulse

Pain over it in a scaphoid fracture

24
What are the main ligaments of spine?
``` Intertransverse Supra spinous Infraspinous Posterior longitudinal Anterior longitudinal Ligamentum flava ```
25
What is the significance of the femoral canal?
No discrete structures are significant however the empty space allows distension of veins
26
What is enclosed in the femoral sheath? And what's not?
Artery and vein Nerve is not! (Femoral for all)
27
Why is the rectus femoris smooth?
Due to it being able to slide over muscles easily
28
Why does the Vastus medialis have horizontal fibres?
Help with stopping locking of the knee | Lateral condyle is higher so helps stabilise medial
29
Where can you find the femoral vein?
Femoral triangle Medial to femoral artery Feel for pulse ASIS and pubic tubercle
30
Why is the femoral vein significant?
Catheterisation
31
What is the adductor hiatus?
The small triangle above knee which is inbetween adductors
32
What is the adductor canal?
Roof and medial - sartorius Anterior and lateral - vastus medialis Posterior - adductor longus and magnus Covered by - aponeurosis and sartorius lies on this Contents - femoral artery, vein, saphenous nerve
33
What is the function of iliofemoral ligament?
Stop hyper extension of hip
34
What is function of ischiofemoral?
Stop hyper extension of hip
35
How far can hip be extended?
15•
36
What is the function of the pubofemoral?
Stop abduction
37
How do you measure mensuration of the whole leg?
ASIS -> medial malleolus
38
How do you measure mensuration of hip?
ASIS -> greater trochanter
39
How do you measure mensuration of femur?
Greater trochanter -> knee joint line
40
How do you measure mensuration of tibia?
Knee joint line -> medial malleolus
41
Why does shortening occur in fractures?
Muscles of thigh pull up
42
In shortening, what causes lateral rotation?
Iliopsoas changes from medial rotator to a lateral rotator
43
What injury affects sciatic nerve?
Posterior dislocation of hip
44
What is sciatics nerve course in the hip?
Horizontal between PSIS and ischial tuberosity | Descends vertically between ischial tuberosity and greater trochanter
45
What ligaments make the greater and lesser sciatic notches foramen?
Sacrospinous | Sacrotuberous