upper Extremity Entrapments Flashcards
Dorsal scapular entrapment affects which nerve and muscles
C5 nerves; rhomboids and levator scapulae
Dorsal scapular entrapment can occur at which 2 spots
Middle scalene
Posterior scalene and levator scapulae
What are the cutaneous signs of Dorsal scapular entrapment
Middle of rhomboids and scapula will have parasthesis
What are the muscles affected by Dorsal scapular entrapment
Rhomboids, levator scapulae
Quadrangular space entrapment affects which nerve and artery
Axillary nerve and posterior humeral circumflex
What are the signs of Quadrangular space entrapment
Weakness of deltoid and deltoid parenthesis
Saturday night palsy affects which nerves
the posterior chord: Axillary and radial
What are the signs of Saturday night palsy
Posterior arm and posterior 3 1/2 digit parenthesis and muscle weakness
Thoracic outlet syndrome affects which anatomical structures
Anterior and middle scalene and Pectoralis minor
What are the signs of Thoracic outlet syndrome
Muscle weakness in UE and parenthesis of UE
Median nerve entrapment can occur at
Anterior forearm ( @ pronator teres) or carpal tunnel
Median nerve entrapment signs include
Inability to button and zipper
Atrophy of Thenar muscles
parenthesis of lateral 3.5 fingers
Radial nerve entrapment can occur
At the supinator
Radial nerve entrapment can affect
Deep radial nerve
Radial nerve entrapment signs are
Weakness in supinaton, abduction of thumb, and extension of wrist or digits
Ulnar nerve entrapment can occur at
Cubital tunnel (by the ligament of struthers)
tunnel of Guyon
Ulnar nerve entrapment signs are
Cutaneous: paresthesis of digits 4/5
Motor: Flexor carpi ulnaris and flexor digitorum profundus
Hypothenar muscles : will affect grip
Ulnar nerve entrapment mechanism of injury is
Fall on outstretched hand or a cycling