Anatomy & Physiology

Question 1

Rotator cuff muscles

Fx

Answer 1

SItS

SUPRAspinatus – abducts arm <15* + common lesion
INFRAspinatus– external rotation -
teres minor– external rotation
Subscapularis– internal rotation

Question 2

most common fractured carpal bone

and complication..

Answer 2

Scaphoid

–Avascular Necrosis

Question 3

Dislocation of Lunate carpal bone.

complication..

Answer 3

Acute carpal tunnel syndrome

compress medial nerve

Question 4

Interescalene Nerve Block (in arm surgery)
- C3-C5
….. Nerve involved

Answer 4

PHRENIC NERVE

–> Transient Ipsilateral Diaphragmatic Paralisis !

Question 5

Courses of Nerves between..

Median
Musculocutaneous
Ulnar
Radial

Answer 5

ulnar head of pronator teres
MEDIAN NERVE
humeral head of pronator teres

biseps brachi
MUSCULOCUTANEOUS NERVE
coracobrachialis

olecranon
ULNAR NERVE
medial epicondile of humerus

supinator muscle (posterior interoseos)
RADIAL NERVE
head of the radius

Question 6

Lumbar puncture

Spaces?

Answer 6

L3-L4 or L4-L5

ILIAC CRESTS

Question 7

Scapular Winging after a surgery?

Wich muscle, nerve involved?

Answer 7

Impairment of Serratus Anterior because of lesion of the LONG THORACIC - (SA-LT)

After a axillary lymph node dissection.