Upper body Flashcards
Supinator Syndrome causes
In this entrapment syndrome the radial nerve becomes com- promised as it passes beneath the supina- tor muscle.
Supinator syndrome symptoms
Symptoms occur durring repeated motions of the forearm. The throwing motion uses all of these. These can include pronation,
arm extension. The pain pattern is described as deep on the posterior aspect of the forearm. Hand weakness is reported
How to test for supinator syndrome
extensor carpi ulnaris. If it is found weak, the head of the radius is approximated to the ulna and the muscle is retested. The exten- sor carpi ulnaris can also be tested when the supinator is placed in a strain counterstrain position. This position fully relaxes the muscle.
Pronator Teres syndrome symptoms
Symptoms reported by the patient will include writing, paresthesia throughout the hand and especially the palm.
Pronator Teres syndrome causes
entrapment of the median nerve as it passes between the ulnar and radial heads of the pronator teres muscle.
Muscle pattern weaknesses for pronator teres syndrome
After the median nerve passes the pronator teres, it divides and supplies the flexor muscles of the wrist and hand.
Except for flexor carpi ulnaris and ulnar portion of flexor digitorum profundus
Pronator teres challange
Muscle testing will reveal weakness of the finger flexors that resolve when the radius and the ulna are approximated just distal to the elbow.
Cheiralgia Paresthetica-motor signs
The symptoms are all sensory as there is no motor function of this part of the nerve.
Cheiralgia Paresthetica-cause
In this condition, the superficial radial nerve is entrapped. This nerve supplies sensory sensation to the dorso- radial side of the hand. This includes the thumb, index finger and half of the third finger.
Cheiralgia Paresthetica-test/confirmation
When the hand is placed in full pronation and ulnar deviation is performed, there will be an increase in the sensory symptoms. This stretches the nerve.
Axillary Nerve Entrapment/ injury Senory and motor deficits
Sensory: lateral shoulder
motor: Deltoid, Teres minor
Lateral shoulder region paresthesia, shoulder movement weakness in all planes, difficulty with overhead activities
Axillary N
No pain, thumb weakness, unable to make OK sign.
median N injury at elbow or forearm. anterior interosseus branch
thumb weakness, unable to make OK sign and has sensory deficits
consider proximal median nerve injury
pronator Teres syndrome (median N) Characteristics
aching pain in the proximal volar forearm: palm, thumb or index finger parathesia
