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MSK (Dr. A) Flashcards

1
Q

Spinal level/location of:
Hyoid bone
Cricoid cartilage
Thyroid cartilage
Medial end of clavicle
Root of spine of scapula
Inferior angle of scapula
Highest point of iliac crest
PSIS

A

Hyoid bone (C2-C3)
Cricoid cartilage (C6)
Thyroid cartilage (C4/C5)
Medial end of clavicle (distal end of 1st rib)
Root of spine of scapula (T3)
Inferior angle of scapula (T7 standing/T6 prone)
Highest point of iliac crest (L4 SP)
PSIS (S2)

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2
Q

Spinal level/location of:
End of spinal cord (cona medullaris)
Subarachnoid space with CSF
Sternal angle
Xiphoid-sternal junction
Lung apex
Termination of abdominal aorta

A

End of spinal cord (L2)
Subarachnoid space with CSF (S3)
Sternal angle (2nd rib and body of T5)
Xiphoid-sternal junction (T9/T10)
Lung apex (behind medial 3rd of clavicle)
Termination of abdominal aorta (L4)

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3
Q

Head of radius articulates with:

A

Capitulum of humerus

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4
Q

Proximal ulna (olecranon process) articulates with:

A 
Proximal ulna (olecranon process) articulates with: 
Trochlea of humerus
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5
Q

Carpal bones

A

Scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium* (*thumb side)

Sam Limped To Paris, He Cant Take Trains (bottom right, counterclockwise)

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6
Q

What structures make up the hard palate?

A

Anterior 3/5: Maxilla (palatine processes of maxilla)

Posterior 2/5: Palatine bone proper

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7
Q

Where is hyaline cartilage found

clinical significance

A

Ribs, lines synovial joints
(Left over fetal skeleton)

(Costochondral junction = costochondritis, inflammation of hyaline)

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8
Q

What vertebrae are transverse foramen found in?

A

Cervical vertebrae only

(Where vertebral artery passes from C6 and up, but C7 still has the holes)

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9
Q

Which muscles attach to the supraglenoid and Infraglenoid tubercles

A

Supraglenoid: Longhead of biceps
Infraglenoid: Longhead of triceps

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10
Q

Label the foot bones

A
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11
Q

What is the function of the annular ligament

A

Holds the head of the radius

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12
Q

What muscles open the jaw

A

Digastric, lateral pterygoid (depress)

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13
Q

What muscles close the jaw

A

3

medial pterygoid, masseter + temporalis

(elevate jaw)

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14
Q

What innervates the muscles that open and close the jaw

A

CN 5 (V-3)

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15
Q

Where is the first intervertebral disk found

A

Between C2 and C3

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16
Q

Red vs White muscle fibers

A

Red: Slow twitch, low glycolytic capacity, high oxidative capacity
White: Fast twitch, high glycolytic capacity, low oxidative capacity

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17
Q

Isotonic vs isometric contraction

A

Isotonic: Force remains constant, muscle shortens during contraction (picking something up)

Isometric: Force increases during contraction, length of muscle remains constant (push on the floor of your house)

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18
Q

Skeletal muscle: Relaxation = Ca goes back into the ________ via ________

A

Skeletal muscle: Relaxation = Ca goes back into the (sarcoplasm) via (T-tubules)

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19
Q

Action potential length for skeletal vs cardiac muscle

A

Skeletal: 2-4ms
Cardiac: 200-400ms

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20
Q

What muscles attach to the coracoid process?

A

Coracobrachialis
Pec minor
Biceps

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21
Q

What muscles abduct the arm

A

Supraspinatus
Deltoid
Serratus anterior

22
Q

What innervates:
Supraspinatus
Infraspinatus
Teres minor

A

Supraspinatus - Suprascapular n.
Infraspinatus - Suprascapular n.
Teres minor - Axillary n.

23
Q

What are the anterior, lateral, posterior, and medial components of the axillary region

24
Q

Name the contents of the Anatomical Snuff Box

25
What are the contents of the femoral triangle, and what are the borders?
NAVL (lateral to medial) Nerve, artery, vein, lymph chain Borders: Add. longus, sartorius, inguinal ligament
26
Hip nerves
Anterior flexors: Femoral n. Medial adductors: Obturator n. Lateral abductors: Superior gluteal n. Posterior extensors: Sciatic n. and inferior gluteal n.
27
Where do the lumbar and sacral plexus meet?
Sciatic nerve
28
Erector Spinae (sacrospinalis group) muscles
``` SLI Spinalis division (Thor, cerv, capitis) Longissimus division (Thor, cerv, capitis) Iliocostalis division (Lumb, thor, cerv) ```
29
What innervates the diaphragm?
Phrenic nerve (C3,4,5) "C3,4,5 keep the diaphragm alive"
30
Exercise physiology
31
-noids
pointy, dont go into joints
32
what suture is between the frontol and parietal bones
coronal
33
what suture is between the two parts of the parietal bone
sagittal
34
what suture is between the parietal and occipital bones
lamboidal
35
whats the clivus
portion of occipital bone anterior to magnum foramen
36
inion
EOP
37
pteryon
meeting of sutures: coronal temporoparietal sphenofrontal
38
site of middle meningial artery clinical significance
pteryon thinnest part of side of skull; hit in side of head = rupture of artery/subdural hematoma
39
what part of the sternum ossifies during teen years
xiphoid process
40
Label the coronal sutures
41
which vertebra have transverse foramens?
cervical
42
the cruciate ligaments are named for\_\_\_\_ and their anatomical actions are based on that of the \_\_\_
for their origin on the tibia, and their anatomical actions are based on that of the tibia
43
lateral lower leg bone
fibula
44
ALL is anterior in respect to what?
vertebral body
45
Common Primary Bone Cancers
Chondrosarcoma Osteosarcoma Ewing's Sarcoma
46
Reactive Arthritis/Reiter's Syndrome Etiology + Sx
Post Chlamydial infxn, male dominant sx: urethritis, conjunctivitis, asymmetric lower extremity arthritis (can't see, can't pee, can't dance with me)
47
what divides the anterior and posterior triangle of the neck contents of ant and post triangles
SCM ant: lymph nodes, thyroid, cartilages post: brachial plexus exit
48
what is the most important structure located in the suboccipital triangle?
vertebral artery (AVOID needles; direct access to brain)
49
what 3 muscles attach on the corocoid?
coracobrachialis short head biceps pec minor
50
teres major vs minor; which attaches post and which ant humerus?
ant: major post: minor
51
what CN supplies the digastric muscle
Ant = CN5 Post = CN7

NPLEX (28 decks)

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