UE Review Flashcards
Cancer that grows from S. Spinosum and can metastasize?
Squamous Cell Carcinoma
Rectus capitis posterior muscles and obliquus capitis muscles are innervated by
Suboccipital n.
What nerve is injured if you loss sensation on web spaces between fingers and thumb and index finger?
Radial.
Injury to shoulder - fractur of lesser tubercle of humerus would affect which muscle of the RC?
Subscapular
What thumb action is entirely lost if the ulnar nerve is severed?
ADD
Inflammation of flexor reticulum gives rise to carpal tunnel which causes compression of ________ nerve and typically cause weakness in ______ and ___________ of thumb
Median n., ABD, and Opposition
The function of what muscle is assessed during a cranial nerve exam?
Trapezius
The radial collateral ligament of the elbow is attached to lateral epicondyle of humerus superiorly and to the ___________ inferiorly
annular ligament
What is the most powerful extensor of the arm at the GH articulation
Latissimus Dorsi
For a Colles Fracture, the main structure that unites and binds the radius and ulna together is _____
Triangular Fibrocartilaginous Disc
Lateral rotation of the humerus by the infraspinatus is opposed by __________ and also a ____________ of the humerus
Subscapular
Medial rotator
What is attached to the scapula?
If pectoralis major and minor muscles were removed, what action would be lost?
ADD of arm
Muscles attaching to the lateral epicondyle of the humerus:
extensor carpi radialis brevis
Extensor digitorum
Extensor carpi ulnaris
If you have lost strength turning palm of hand medially, likely loss of what muscle action?
Pronator Quadratus
Brachial Plexus sections R>L
Branches, Cords, Divisions, Trunks, Roots
Extensor digitorum origin
LEH
Short head of biceps brachii origin
Coracoid process
Pectoralis minor origin
Ribs 3-5
Flexor carpi radialis origin
MEH
Deltoid origin
Clavicle, acromion, scapula spine
Infraspinatus action
Lateral rotation of arm
Pectoralis minor action
stabilize scapula
Subscapularis action
medial rotation of arm
Subclavicular action
Anchor and depress clavicle
Supraspinatus action
ABD humerus