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36 Cards in this Set

  • Front
  • Back
when the elbow moves, what articulates with the capitulum?
the radius
when the elbow moves, what articulates with the trochlea?
the trochlear notch of the ulna
what is the proximal radioulnar joint?
the joint between the head of the radius and the radial notch of the ulna
does the radius cross over the ulna in pronation or supination?
pronation
what ligaments support the elbow on its sides?
the ulnar and radial collateral ligaments
which vein is often used to draw blood?
the mdeian cubital vein
which vein is on the medial side of the arm?
the basilic vein/the axillary vein
which vein is on the lateral side of the arm?
the cephalic vein
does the anterior compartment of the arm contain flexors or extensors?
flexors
which muscles are in the flexor compartment of the arm?
coracobrachialis, biceps brachii , and brachialis
which muscles are in the extensor compartment of the arm?
the triceps brachii
what are the origins of the short and long head of the biceps brachii?
short: coracoid process
long: supraglenoid tubercle
what is the insertion of the biceps brachii?
the radial tuberosity and antebrachial fascial via bicipital aponeurosis
what innervates the biceps brachii?
the musculocutaneous nerve
what are the origin and insertion of the coracobrachialis
origin: coracoid process of the scapula
insertion: medial surface of the humerus
what innervates the coracobrachialis?
the musculocutaneous nerve
what are the origin and insertion of the brachialis?
origin: the anterior surgace of the humerus
insertion: the coronoid process and ulnar tuberosity
what innervates the brachialis?
the musculocutaneous nerve
what are the origins for the triceps brachii?
long: infranglenoid tubercle of scapula
lateral: posterior humerus superior to radial groove
medial: posterior humerus inferior to radial groove
what's the insertion for the triceps?
the olecranon of the ulna
what innervates the triceps brachii?
the radial nerve
what innervates muscles in the anterior compartment of the arm?
the musculocutaneous nerve
what innervates muscles in the posterior compartment of the arm?
the radial nerve
what nerves travel through the arm but do not innervate anything in it?
the median and ulnar nerves
what artery travels with the radial nerve?
the deep brachial artery
what defines the borders of the cubital fossa?
the brachioradialis muscle, the pronator teres, and a line between the medial and lateral epicondyles
what's inside the cubital fossa
the biceps brachii tendon (T), bracial artery (A), and median nerve (N) - listed lateral to medial
which nerve pierces the coracobrachialis?
the musculocutaneous nerve
what muscles are responsible for elbow flexion?
biceps brachii, brachialis
what muscles are responsible for elbow extension?
the triceps brachii (all three heads)
what muscles are responsible for wrist flexion?
the flexor carpi radialis, the flexor carpi ulnaris, dnt palmaris longus, the flexor digitorum superficialis and profundus, and the flexor pollicis longs
what muscles are responsible for wrist extension?
the extensor carpi radialis longus and brevis, the extensor carpi ulnaris, the extensor digitorum, the extensor indicis, the extensor pollicis longus, and the extensor digiti minimi
what muscles are involved in abduction of the wrist?
the flexor carpi radialis, the extensor carpi radialis longus and brevis, and the abductor pollicis lonus
what muscles are involved in adduction of the wrist
the flexor carpi ulnaris and the extensor carpi ulnaris
what muscles are involved in supination of the palm?
the supinator, and the long and short heads of the biceps brachii
what muscles are involved in pronating the palm?
the pronator teres and pronator quadratus