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Year 2- MSK > Random anatomy > Flashcards

Random anatomy Flashcards

(66 cards)

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1
Q

What nerve supplies the gluteus medius and minimus?

A

Superior gluteal nerve

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2
Q

What is a positive Trendelenburg sign?

A

Pelvis drops on the contralateral side of the lifted leg, due to weak gluteus medius/minimus on the stance leg

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3
Q

Which test assesses ACL integrity?

A

Anterior drawer test or Lachman’s test

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4
Q

Name the components of the “unhappy triad”

A

ACL, medial meniscus, medial collateral ligament

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5
Q

Which muscle lies deep to rectus femoris?

A

Vastus intermedius

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6
Q

What is the origin of sartorius?

A

Anterior superior iliac spine

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7
Q

What nerve innervates the anterior thigh muscles?

A

Femoral nerve

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8
Q

What is the action of tibialis anterior?

A

Dorsiflexion of the foot

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9
Q

What area is supplied by the deep fibular (peroneal) nerve?

A

Skin between the big toe and second toe (1st webspace)

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10
Q

Which nerve supplies most of the dorsal foot?

A

Superficial fibular (peroneal) nerve

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11
Q

Where is semitendinosus located?

A

Posterior thigh

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12
Q

What nerve supplies the posterior thigh muscles?

A

Tibial division of sciatic nerve

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13
Q

Where does the sciatic nerve exit the pelvis?

A

Inferior to piriformis

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14
Q

What nerve supplies gluteus maximus?

A

Inferior gluteal nerve

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15
Q

What is the action of gluteus maximus?

A

Hip extension and external rotation

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16
Q

What nerve innervates teres major?

A

Lower subscapular nerve

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17
Q

What are the rotator cuff muscles and their innervations?

A
  1. Supraspinatus & infraspinatus – suprascapular nerve
  2. Subscapularis – upper & lower subscapular nerves
  3. Teres minor – axillary nerve
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18
Q

Where does subscapularis insert?

A

Lesser tubercle of humerus

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19
Q

Where does supraspinatus insert?

A

Greater tubercle of humerus

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20
Q

What is the function of brachioradialis?

A

Flexes elbow

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21
Q

What nerve innervates brachioradialis?

A

Radial nerve

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22
Q

What does the pronator quadratus do and what nerve innervates it?

A

Pronation of forearm, innervated by median nerve

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23
Q

Where does iliopsoas insert?

A

Lesser trochanter of femur

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24
Q

What is the insertion of biceps brachii?

A

Radial tuberosity

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25
What are the origins of biceps brachii?
1. Short head – coracoid process 2. Long head – supraglenoid tubercle
26
What nerve innervates biceps brachii?
Musculocutaneous nerve
27
What is the action of biceps brachii?
Flexion of the elbow
27
What nerve is affected in wrist drop?
Radial nerve
28
What spinal levels control the patellar reflex?
L2, L3, L4
29
What muscles plantarflex the foot, and their innervation?
Posterior leg muscles – tibial nerve
30
What structure can be damaged in an anterior shoulder dislocation?
Axillary artery (and axillary nerve!)
31
Biceps reflexes
C5–C6
32
Triceps reflexes
C7–C8
33
Achilles reflexes
S1–S2
33
Patellar reflexes
L2–L4
34
Diaphragm Opening - T8
IVC
35
Diaphragm opening - T10
Oesophagus + vagus
36
Diaphragm opening - T12
Aorta + thoracic duct + azygos
37
That fat thing that goes through heart line
Coronary sinus
38
Gluteus medius/minimu are what?
abductors
39
What is the the phrenic nerve
C3, 4, 5 > innverate the diaphragm
40
Elbow joint name
hinge
40
Knee joint name
hinge, flex/extend
40
Hip joint name
ball and socket
41
Damage to the phrenic nerve can lead to what happening?
diaphragmatic paralysis, > affecting breathing
42
Damage to the vagus nerve can lead to what happening?
slow heart rate
43
Stringy things in the heart are called what?
Pectinate
44
What nerve innervates the medial compartment of the thigh?
Obturator
45
A child comes into A&E with a prolonged nosebleed. Damage to what structure in the nose is most likely to cause this?
Little area
46
Which nerve supplies the secretomotor fibres to the structure of the eye?
Facial
47
The nasolacrimal duct emerges under which nasal concha?
inferior
48
What is the most likely cause of CNIII (oculomotor) palsy?
Aneurysm
49
What is the most likely cause of CNVII palsy?
Posterior communicating anterior aneurysm
50
All soft palate muscles are innervated by CNX (vagus) except the tensor veli palatini. Which nerve innervates this structure?
CNV3 - mandibular division
51
What midline structure connects the right and left lobes of the thyroid gland?
Isthmus of the thyroid gland
52
What is the name of the branch of CNVII (facial) that supplies taste to the anterior 2/3rd of the tongue?
Chorda tympani
52
With what structure does the stapes communicate with the internal ear?
Oval window
53
What nerve runs anterior to the anterior scalene and enters the thorax between the subclavian artery and vein?
Phrenic nerve
54
What muscle inserts into the lesser trochanter of the femur?
Iliopsoas muscle
54
Structure that stretches the vocal cords?
Cricothyroid muscle
55
Name the structure that passes through the diaphragm at T10
Oesophagus
55
Which structure connects the two lobes of the thyroid gland?
Isthmus of thyroid
56
What artery can be damaged in an anterior shoulder dislocation?
Axillary artery
56
Which nerve supplies sensation to the skin between the big toe and the second toe?
Deep fibular nerve
57
Trendelenburg gait is related to what?
superior gluteal nerve
58
Thenar wasting relates to what?
median nerve

Year 2- MSK (44 decks)

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