U Mich Cards Flashcards
What does the supraclavicular nerve innervate?
Skin at the root of the neck and the upper chest and upper shoulder.
What does the transverse cervical nerve innervate?
Skin of the neck anteriorly
Is the omohyoid in the superfical fascia?
No
Platysma innervated by?
Cervical branch facial nerve
What muscles does subclavian artery run between
Middle / anterior scalene
What leads to horners disease?
Disrupting the cervical trunk
What does the carotid sheath contain?
Internal carotid
Common carotid
Internal jugular vein
Vagus nerve
What is the greater occipital nerve a branch of?
Dorsal primary ramus of spinal nerve C2
2 flexors of ARM from muskulocutaneous?
Biceps brachii, coraco brachialis
What does the supraspinatous do?
Abduct the arm
What are the cords of the brachial plexus are closely related to?
Axillary artery, at or below the level of the clavicle
What arteries create arterial anastomoses around the scapula?
The circumflex scapular artery, the dorsal scapular artery, and the suprascapular artery
Two muscles of abduction of the arm?
Supraspinatus - first 15%
Deltiod
Effects of erbs palsy
Lost lateral rotation and abduction
What nerve provides sensory innervation to the skin of the radial 3.5 fingers of the palm?
Median nerve
Lateral rotators of the arm
Infraspinatus
Teres minor
Medial rotators of the arm
Latissimus dorsi
Teres major
Subscapularis
Pectoralis major
What artery goes through the quadrandular space?
posterior circumflex humeral
Contents of quadrangular space?
Axillary nerve
Posterior humeral circumflex artery
Contents of triangular space?
Circumflex scapular artery
Boundary of quadrangular space?
Long head of the triceps
Humerus
Teres minor
Teres major
Boundary of triangular space?
Tendon long head triceps
Teres minor
Teres major
Scapular anastamoss
Scapular circumflex artery
Suprascapular artery
Dorsal scapular artery
Where do Preganglionic sympathetic fibers come from?
Lateral horn of spinal cord between T1 and L2
Landmark for axillary structures?
Pec minor
What provides cutaneous innervation to the skin of the anterolateral side of the forearm?
The musculocutaneous nerve - lateral antebrachial cutaneous nerve
Which root of the spinal nerve contains afferent sensory fibers?
Dorsal root
Which root of the spinal nerve contains Efferent sensory fibers?
Ventral root
Brachialis or biceps soupinator?
Biceps
Thenar muscles?
Flexor pollicis brevis
Abductor pollicis brevis
Opponens pollici
What provides sensory from the wrist?
Posterior interossii
Only muscle that allows for opposition of thumbs?
Oponens
Borders of Snuff box
Ulnar side: Extensor pollicis longus Radially: Extensor pollicis brevis Abductor pollicis longus
