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MSK > Anatomy > Flashcards

Anatomy Flashcards

1
Q

Muscles of the thenar eminence

A

OAF
Opponens policis
Abductor pollicis brevis
Flexor pollicis brevis

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2
Q

Muscles of the thenar eminence

A

OAF
Opponens policis
Abductor pollicis brevis
Flexor pollicis brevis

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3
Q

Muscles of the hyphothenar eminence

A

OAF
Opponens digiti minimi
Abductor digiti minimi
Flexor digiti minimi

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4
Q

Innervation of the rotator cuff muscles

A

Supraspinatous and infraspinatous - supeascapular nerve
Teres minor - axillary nerve (c5, c6)
Subscapsularis - subscapular nerve

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5
Q

What nerve may be damaged with a supeacondylar fracture of the humerus?

A

Median nerve

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6
Q

What nerve may be damaged with a hammate fracture

A

Ulnar nerve

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7
Q

What nerve may be damaged with a lunate fracture

A

Median

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8
Q

Functions of the rotator cuff muscles

A

Supraspinatous - abducts
Infraspinatous - internally rotates
Teres minor - adducts and externally rotates
Subscapsularis - adducts and externally rotates

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9
Q

Function and innervation of the lumbricals of the hand

A

1st/2nd median, 2nd/3rd ulnar
Flex MCP, extend PIP and extends DIP

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10
Q

Functions of the interossei

A

DAB & PAD
Dorsal interossei abducts
Palmar interossei adducts

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11
Q

Mnemonic for divisions of brachial plexus

A

Remember - roots
To - trunks
Drink - divisions
Cold - cords
Beer - branches

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12
Q

Roots of the main nerves of the brachial plexus

A

Axillary c5, c6
Muscle cutaneous c5, c6, c7
Median c5-t1
Radial c5- t1
Ulnar c8-t1
Recurrent branch of median nerve c5,c6,c7

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13
Q

Flexors of the hip

A

Rectus femoris, illiopsoas, sartorius, pectineus, TFL

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14
Q

Muscles for external rotation of the hip

A

Illiopsoas, gluteus maximus, piriformis, obturator internus and extents

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15
Q

Origin and insertion of the ACL and PCL of the knee

A

LAMP
Lateral femoral condyl to anterior tibia
Medial femoral condyl to posterior tibia

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16
Q

Sensory and muscle innervation of the common fibular (peroneal) nerves

A

Superficial- lateral leg and dorsum of foot except web space. Supplies the peroneus/fibularis longus and brevis

Deep- web space. Supplies the tibialis anterior

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17
Q

Movement of the tibial nerve

A

Plantar flexes and inverts foot

18
Q

Movement of the peroneal nerve of the leg

A

Dorsiflexes and every

19
Q

Innervation of superior gluteal nerve

A

Gluteus medius and minimus
TFL

20
Q

Innervation of the obturator nerve

A

Adductor longus, brevis and Magnus
Obturator externus
Gracillus
Pectineus

21
Q

Innervation of the femoral nerve

A

Quadriceps
Illicus
Sartorius
Pectineus

22
Q

Nerve supply to the tibialis anterior

A

Deep peroneal nerve

23
Q

What exactly creates the carpal tunnel?

A

Transverse carpal ligament and the carpal bones

24
Q

What exactly creates the carpal tunnel?

A

Transverse carpal ligament and the carpal bones

25
Q

Is sensation affected in carpal tunnel?

A

No because the palmar cutaneous branch of the median nerve exits prior to the carpal tunnel

26
Q

Muscles involved including sheath in de-quervains tenosynovitis?

A

Non-inflammatory thickening of the extensor pollicis brevis and abductor pillicis longus within the extensor retinaculum

27
Q

innervation of short and long heads of biceps femoris

A

short head - common peroneal branch of sciatic nerve
long head - tibial branch of sciatic nerve

28
Q

Tendons involved in de quervains tenosynovitis

A

Extensor pollicis brevis
Abductor pollicis longus

29
Q

what nerve supplies the stylopharyngeous muscle and the pharyngeal branch is originates from

A

3rd glossopharyngeal
4th pharyngeal arch

30
Q

nerve that supplies intrinsic muscles of the larynx and the pharyngeal arch they are derived from

A

all innervated by recurrent laryngeal except cricothyroid which is superior laryngeal nerve (both branche sof vagus)
recurrent - 6th pharyngeal arch
superior - 4th pharyngeal arch

31
Q

what collateral arteries ensure good supply of the hand when either the radial or ulnar arteries are compromised?
what artery are these collateral arteries a branch of?

A

superficial and deep palmar arteries
superficial - ulnar artery
deep - radial artery

32
Q

what artery is responsible for avascular necrosis in hip fractures

A

medial femoral cirumflex artery

33
Q

inability to initiate shoulder abduction - what muscle is injured? what nerve is it supplied by?

A

supraspinatous
suprascapular nerve

34
Q

innervation of rotator cuff muscles

A

supra and infraspinatous - suprascapular nerve
subscapsularis - subscapsular nerve
teres minor - axillary

35
Q

muscles of mastication, action and nerve innervation

A

medial pterygoid, temporalis, masseter - close the jaw
lateral pterygoid opens jaw
all innervated by mandibular branch of trigeminal (V3)

36
Q

muscles that insert into the lesser trochanter

A

illiopsoas

36
Q

muscles that insert onto the greater trochanter

A

gluetus medius and minimus
obturator internus

36
Q

insertion point of the quadriceps muscles

A

patellar tendon

36
Q

the sciatic nerves passess between what 2 muscles as it exits its origin

A

piriformis and superior gemellus

37
Q

muscles of the tongue and their innervation

A

genioglossus
hyoglossus
styloglossus
palatoglossus

genio, hyo, styo = hypoglossal
palato = recurrent laryngeal –> vagus

MSK (3 decks)

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