Upper Limb Anatomy Flashcards
What are the three muscles of the anterior compartment of the arm?
biceps brachii
brachialis
coracobrachialis
(BBC)
What is the innervation of biceps brachii?
musculocutaneous nerve
(all of the muscles of the anterior compartment of the arm are supplied by the musculocutaneous nerve)
What is the action of muscles in the anterior compartment of the arm?
flexion
What is the innervation of triceps brachii?
radial nerve
What is the lateral attachment of pectoralis major?
lateral lip of intertubercular sulcus of humerus
What muscles are innervated by the axillary nerve?
teres major and deltoid
What are the borders of the quadrangular space?
What condition is also known as tennis elbow?
What condition is known as golfers elbow?
medial epicondylitis
Which of the rotator cuff muscles attaches to the middle facet of the greater tubercle of the humerus?
infraspinatus
(SIMS)
Which of the rotator cuff muscles attaches to the inferior tubercle of the humerus?
teres minor
(SIMS)
What is the distal attachement of subscapularis?
lesser tubercle of the humerus
What is the main action of supraspinatus?
initiates and assists deltoid in abduction of arm
first 15 degress of abduction
What is the innervation of trapezius?
spinal accessory nerve (CN XI)
What is the distal attachement of the deltoid muscle?
deltoid tuberosity of humerus
Where does the axillary artery begin?
What dermatone will a cut to the lateral anterior part of the arm locate?
C5
What nerve is compressed in carpal tunnel syndrome?
median
What are the muscles in the superficial compartment of the anterior forearm?
What muscle forms the intermediate compartment of the anterior forearm?
flexor digitorum superficialis
What are the muscles of the deep compartment of the anterior compartment of the forearm?
What are the main actions of biceps brachii?
supinates forearm
flexes forearm
What is the common origin of muscles in the superior compartment of the anterior forearm?
medial epicondoyle
What are the borders of the cubital fossa?
brachial artery bifurcates in the cubital fossa
A rugby player is admitted into the A&E with a fracture at the medial epicondyle of the humerus. What is the most likely nerve to be damaged ?
ulnar
What is Erb-Duchenne palsy?
paralysis on the arm of the C5-C6 nerve roots
‘waiter’s tip’ position
can be caused by a difficult labour
