Nerve Type of Injury Symptom/Sign Muscle Damage

Axillary nervefracture of surgical head of humerus or Dislocation of

shoulder joint

Abduction of arm to horizontal position is compromised

Paralysis of deltoid muscle

Axillary nerve

fracture of the surgical head of the humerus or

dislocation ot the shoulder joint

weakened lateral rotation of the arm; deltoid paralysis

teres minor muscle

Axillary nerve

fracture of the surgical head of the humerus or

dislocation ot the shoulder joint

"Patch sign"- loss of sensation on lateral side of upper arm

(blank)

Long thorasic nervestab wound or removal of

lymph nodes during a mastectomy

Abduction of the arm past the horizontal position is impaired, and pt

can't use arm to PUSHserratus anterior muscle

Long thorasic nervestab wound or removal of

lymph nodes during a mastectomy

"winged scapula" serratus anterior muscle

Musculocutaneous nerve (upper trunk - C5-C6)

Violent stretch between head and shoulder

"waiter's tip", arm is medially rotated and pronated; Erb Duchenne

biceps brachii brachialis

Suprascapular nerve (upper trunk - C5-C6)

Violent stretch between head and shoulder

"waiter's tip", arm is medially rotated and pronated; Erb Duchenne

Infraspinatus muscle

Axillary nerve (upper trunk - C5-C6)

Violent stretch between head and shoulder

"waiter's tip", arm is medially rotated and pronated; Erb Duchenne

Teres minor muscle

Median nerve (lower trunk - C8-T1)

Sudden pull upward on arm

"claw and", loss of function of the hand and wrist; Klumpke's

Muscles of the hand and wrist

Ulnar nerve (lower trunk - C8-T1)

Sudden pull upward on arm

"claw and", loss of function of the hand and wrist; Klumpke's

Muscles of the hand and wrist

(posterior Cord- C5-T1) (blank) Wrist drop (blank)

Radial nerve (Posterior cord -C5-T1)

Fractur of the humerus at the midshaft or badly fitted

crutches

"Saturday night palsy", Can't extend wrist and digits and no supination.

paralysis of mms in extensor compartment of the forearm

Radial nerve (Posterior cord -C5-T1)

Fractur of the humerus at the midshaft or badly fitted

crutches

sensory loss at posterior arm, posterior forearm, and lateral aspect of the dorsum of the arm "snuff box".

(blank)

Radial nerve (Posterior cord -C5-T1)

Fractur of the humerus at the midshaft or badly fitted

crutches"wrist drop"

paralysis of mms in extensor compartment of the forearm

Median nerve injury at elbow or axilla(Median

cord- C5-T1)

Suracondylar fracture of the humerus

lost thumb movementparalysis of abductor pollicis brevis, opponens pollicis and

flexor pollicis brevis

Median nerve injury at elbow or axilla(Median

cord- C5-T1)

Suracondylar fracture of the humerus

weakened flexion of the wrist, lost pronation and flexion of digits

mms in flexor compartment

Median nerve injury at elbow or axilla(Median

cord- C5-T1)

Suracondylar fracture of the humerus

"Pope's blessing" or "ape's sign", flattening of thenar eminence

mms in flexor compartment

Median nerve injury at elbow or axilla(Median

cord- C5-T1)

Suracondylar fracture of the humerus

sensory loss on the palmer and dorsal aspects of the index, middle and half

of the ring fingers and the palmer aspect of the thumb

(blank)

Median nerve injury at the wrist (Median cord- C5-T1)

Slashing of the wrist or Carpal tunnel syndrome

Normal flexion of wrist and digits, and normal pronation

No paralysis of mms of flexor compartment

Median nerve injury at the wrist (Median cord- C5-T1)

Slashing of the wrist or Carpal tunnel syndrome

lost thumb movementparalysis of abductor pollicis brevis, opponens pollicis and

flexor pollicis brevis

Median nerve injury at the wrist (Median cord- C5-T1)

Slashing of the wrist or Carpal tunnel syndrome

"Pope's blessing" or "ape's sign", flattening of thenar eminence

(blank)

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

Deviation of the hand to the radial side, at the wrist joint

paralysis of flexor carpi ulnaris mm

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

"claw hand", lost flesion of the ring and little finger at the DIP joint

paralysis of the medial part of flexor digitorum profundus mm

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

lost flexion of ring and little finger at the MCP joint

paralysis of the lumbricles 3 and 4

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

lost abduction and adduction of the fingers

paralysis of the palmer and dorsal interosseous mm

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

adduction of the thumb is lostparalysis of the adductor

pollicis mm

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

lost abduction, flexion and opposition of the little finger

paralysis of adductor pollicis mm

Ulnar nerve injury at the elbow or axilla (median

cord C8-T1)

fracture of the medial epicondyle of the humerus

sensory loss on the palmer and dorsal aspects of the little finger and half of

the ring finger(blank)

Ulnar nerve injury at the wrist (median cord C8-T1)

Slashing the wristsNo wrist deviation toward ulnar side and NO problems with felxion of of

ring and little finger at DIP joint

No paralysis of flexor carpi ulnaris or medial part of the

flexor digitorum profundus mm

Ulnar nerve injury at the wrist (median cord C8-T1)

Slashing the wristslost flexion of ring and little finger at the MCP joint, with hyperextension at

joint b/c extensor mm are intact

paralysis of the lumbricles 3 and 4

Ulnar nerve injury at the wrist (median cord C8-T1)

Slashing the wrists adduction of the thumb is lostparalysis of the adductor

pollicis mm

Ulnar nerve injury at wrist (median cord C8-T1)

Slashing of the wrists adduction of the thum is lostparalysis of adductor pollicis

mm

Ulnar nerve injury at wrist (median cord C8-T1)

Slashing of the wristsabduction and adduction of fingers is

lostpalmer and dorsal interosseous

mms

Ulnar nerve injury at wrist (median cord C8-T1)

Slashing of the wristsabduction, flextion, and opposition of

the little finger are lost

abductor digiti minimi, flexor digiti minimi and opponens

digitiminimi mms

Ulnar nerve injury at wrist Slashing of the wrists palmer and dorsal aspects of the little (blank)

(median cord C8-T1) finger and half the ring finger

Ulnar nerve injury at wrist (median cord C8-T1)

Slashing of the wrists"claw hand", yet not as severe as with

lesion at the elbow(blank)

Musculocutaneous nerve (lateral cord- C5-C7)

(blank)Difficulty flexing elbow, and variable

sensory loss

Paralysis of coracobrachialis, biceps and brachialis mm

( biceps reflex)