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71 Cards in this Set

  • Front
  • Back

What is a plexus?

group of nerve fibers joined together, merge, and new groups of nerve fibers emerge from them

what is a dermatome?

sensory area of specifically tagged to the distribution of a single spinal nerve such as C5, C6, etc.

what is a cutaneous distribution?

-sensory area of skin that can be specifically tagged to the distribution of an end nerve


-a nerve may be the result of a single spinal nerve or the merging of many spinal nerves


Differences between motor and sensory impulses in term of where they travel to

-motor or efferent impulses travel from CNS out to periphery and only out to periphery


-sensory or afferent impulses travel from periphery to CNS and only to CNS

cervico-axillary canal connects what structures together?

cervical region and axilla

what are boundaries of cervico-axillary canal?

-clavicle
-1st rib
-superior scapula

-clavicle


-1st rib


-superior scapula

what are the contents of cervico-axillary canal?

-axillary vessels
-brachial plexus

-axillary vessels


-brachial plexus

Orders of brachial plexus

-Rami


-Trunks


-Divisions


-Cords


-Branches



*Reach To Drink Cold Beer*

Brachial plexus

Brachial plexus originates from which level of spinal nerves?

C5-T1

C5-T1

what are the 3 trunks and which levels are of spinal nerves are associated with each?

-superior (C5-C6)
-middle (C7)
-inferior (C8-T1)

-superior (C5-C6)


-middle (C7)


-inferior (C8-T1)

Divisions are branched into?

anterior and posterior

anterior and posterior

what are the 3 cords?

-lateral
-posterior
-medial

-lateral


-posterior


-medial

long thoracic and dorsal scapular nerves branch off of...........

anterior rami

anterior rami

which trunk is the only one that has nerves come off of it? and what are those nerves?

-superior trunk
-subclavian nerve
-suprascapular nerve

-superior trunk


-subclavian nerve


-suprascapular nerve

posterior cord gives off 5 nerves, what are they?

-STARS
-subscapular (upper) nerve
-thoracodorsal nerve
-axillary nerve
-radial nerve
-subscapular (lower) nerve

-STARS


-subscapular (upper) nerve


-thoracodorsal nerve


-axillary nerve


-radial nerve


-subscapular (lower) nerve

lateral cord gives off 3 nerves, what are they?

-musculocutaneous nerve
-median nerve
-lateral pectoral nerve

-musculocutaneous nerve


-median nerve


-lateral pectoral nerve

medial cord gives off 5 nerves, what are they?

-medial pectoral nerve
-medial cutaneous nerve of arm
-medial cutaneous nerve of forearm
-ulnar nerve
-median nerve

-medial pectoral nerve


-medial cutaneous nerve of arm


-medial cutaneous nerve of forearm


-ulnar nerve


-median nerve

anterior divisions ultimately give rise to peripheral nerves associated with ANTERIOR or POSTERIOR compartment of upper limb?

anterior

anterior

posterior divisions ultimately give rise to peripheral nerves associated with ANTERIOR or POSTERIOR compartment of upper limb?

posterior

posterior

medial, lateral and posterior cords are defined by spatial relationship with?

2nd part of axillary artery

2nd part of axillary artery

lateral cutaneous nerve of forearm is a continuation of which nerve?

musculocutaneous nerve

musculocutaneous nerve

medial cutaneous nerve of arm is associated with which nerve? and it ends where?

medial cord (side branch) and ends at elbow

medial cord (side branch) and ends at elbow

medial cutaneous nerve of forearm is associated with which nerve? and it ends where?

medial cord (side branch) and ends at wrist

medial cord (side branch) and ends at wrist

**dermatomes of upper limb**

brachial plexus illustration

axillary nerve


-spinal nerve


-muscles

NERVE:


-C5-C6


MUSCLES:


-deltoid


-teres minor

radial nerve


-spinal nerve


-muscles

NERVE:


-C5-T1


MUSCLES:


-all muscles on posterior aspect of upper limb

median nerve


-spinal nerve


-muscles

NERVE:
-C5-T1
MUSCLES:
-all muscles in anterior forearm and hand that are not innervated by ulnar nerve
-lumbricals (index and middle finger)
-thenar muscles (opponens pollicis, flexor pollicis brevis, abductor pollicis brevis)

NERVE:


-C5-T1


MUSCLES:


-all muscles in anterior forearm and hand that are not innervated by ulnar nerve


-lumbricals (index and middle finger)


-thenar muscles (opponens pollicis, flexor pollicis brevis, abductor pollicis brevis)

musculocutaneous nerve


-spinal nerve


-muscles

NERVE:
-C5-C7
MUSCLES:
-brachialis
-biceps brachii
-coracobrachialis
 

NERVE:


-C5-C7


MUSCLES:


-brachialis


-biceps brachii


-coracobrachialis


ulnar nerve


-spinal nerve


-muscles

NERVE:
-C7-T1
MUSCLES:
-flexor carpi ulnaris
-flexor digitorum profundus (1/2)
-hypothenar muscles (abductor digiti minimi, opponens digiti minimi, flexor digiti minimi)
-adductor pollicis
-lumbricals (ring & pinky)
-all interossei

NERVE:


-C7-T1


MUSCLES:


-flexor carpi ulnaris


-flexor digitorum profundus (1/2)


-hypothenar muscles (abductor digiti minimi, opponens digiti minimi, flexor digiti minimi)


-adductor pollicis


-lumbricals (ring & pinky)


-all interossei

lateral pectoral nerve


-spinal nerve


-muscles

NERVE:


-C5-C7


MUSCLES:


-pectoralis major

medial pectoral nerve


-spinal nerve


-muscles

NERVES:


-C8-T1


MUSCLES:


-pectoralis major


-pectoralis minor

upper subscapular nerve


-spinal nerve


-muscles

NERVE:


-C5-C6


MUSCLES:


-subscapularis

lower subscapular nerve


-spinal nerve


-muscles

NERVE:


-C5-C6


MUSCLES:


-subscapularis


-teres major

thoracodorsal nerve


-spinal nerve


-muscles

NERVE:


-C6-C8


MUSCLES:


-latissimus dorsi

suprascapular nerve


-spinal nerve


-muscles

NERVE:


-C5-C6


MUSCLES:


-supraspinatus


-infraspinatus


dorsal scapular nerve


-spinal nerve


-muscles

NERVE:


-C5


MUSCLES:


-levator scapulae


-rhomboid major


-rhomboid minor

long thoracic nerve


-spinal nerve


-muscles

NERVE:


-C5-C7


MUSCLES:


-serratus anterior

which nerve comes from spinal level C5 only?

dorsal scapular nerve

what 4 nerves come from spinal level C5-C6?

-axillary nerve


-upper subscapular nerve


-lower subscapular nerve


-suprascapular nerve

which 3 nerves come from spinal level C5-C7?

-musculocutaneous nerve


-lateral pectoral nerve


-long thoracic nerve

which 2 nerves come from spinal level C5-T1?

-radial nerve


-median nerve

which nerve comes from spinal level C6-C8?

thoracodorsal nerve

which nerve comes from spinal level C7-T1?

ulnar nerve

which nerve comes from spinal level C8-T1?

medial pectoral nerve

Which nerve travels posteriorly SUPERIOR to latissimus dorsi tendon?

axillary nerve

axillary nerve

which nerve travels posteriorly INFERIOR to latissimus dorsi tendon?

radial nerve

radial nerve

lateral cutaneous nerve of forearm supplies?

skin over lateral forearm

skin over lateral forearm

what are the intrinsic muscles of hand?

-lumbricals


-thenar muscles


-hypothenar muscles


-interossei (PAD, DAB)

where can lumbricals be found in the hand?

Between metacarpals

what muscles are part of the thenar eminence?

-opponens pollicis
-flexor pollicis brevis
-abductor pollicis brevis

-opponens pollicis


-flexor pollicis brevis


-abductor pollicis brevis

what muscles are part of hypothenar eminence?

-opponens digiti minimi
-flexor digiti minimi
-abductor digiti minimi

-opponens digiti minimi


-flexor digiti minimi


-abductor digiti minimi

which nerve is associated with surgical neck of humerus?

axillary nerve

which nerve is associated with radial groove of humerus?

radial nerve

which nerve is associated with distal end of humerus?

median nerve

which is is associated with medial epicondyle of humerus?

ulnar nerve

The "M"

identify musculocutaneous nerve

identify musculocutaneous nerve

#6

what is the condition when the neck is severely flexed laterally and pulled, which will widens the angle between head and shoulder?

Erb's (Erb-Duchenne) Palsy

which spinal level is associated with Erb's (Erb-Duchenne) Palsy?

C5 and C6

which type of movements at shoulder and elbow are lost if one has Erb's Palsy?

-at shoulder: flexion, abduction and lateral rotation


-at elbow: flexion

what is the condition called when there's a forceful traction applied to shoulder that can happen during birth by yanking out the arm or when one catches oneself with raised arm when falling from a tree for example?

Klumpke's Palsy

what spinal level is associated with Klumpke's Palsy?

C8 and T1

what type of movement is lost at wrist?

flexion

what is the result of Klumpke's Palsy?

paralysis of intrinsic hand muscles

palsy that occurs from falling asleep with one's arm hanging out over the arm rest of a chair, compressing radial nerve at radial groove

Saturday Night Palsy

palsy that occurs from another individual sleeping on or compressing one's arm overnight

Honeymoon palsy OR anterior interosseous nerve palsy

which nerve is affected in Honeymoon palsy?

branch of median nerve

palsy occurs from tight-fitting handcuffs compressing superficial branch of distal radial nerve

Handcuff neuropathy OR cheiralgia paresthesia

palsy occurs from poorly fitted axillary crutches?

Crutch Palsy