Blood Supply to the Upper Limb
Blood to the forearm and hand come from these 2 arteries.
What are the radial & ulnar aa.?
The spinal cord levels that contribute to the brachial plexus.
What is C5 - T1?
The motions possible at the elbow joint.
What are flexion, extension, pronation, and supination?
The three muscles of the anterior compartment of the arm.
What are the biceps brachii, brachialis, and coracobrachialis?
Name of the bones between the carpals and phalanges.
What are the metacarpals?
The vessel that occurs between the border of the clavicle and the inferior border of teres major.
What is the axillary artery?
The portion of each spinal nerve that constitutes the brachial plexus.
What is the ventral ramus?
These joints must move to create full 180deg abduction of the arm.
What are the glenohumeral, acromioclavicular, and sternoclavicular joints?
Two muscles that produce supination of the forearm.
What are the supinator and biceps brachii?
The only place where the upper limb skeleton articulates with the axial skeleton.
What is the sternoclavicular joint?
This is the trunk that gives off a branch that supplies the pectoral muscles.
What is the thoracoacromial trunk?
What is C8 - T1?
Name of the movement to make the tip of the thumb touche the tip of the pinky finger.
What is opposition of the thumb?
The four muscles of the rotator cuff, and the function they share in common.
What are the supraspinatus, infraspinatus, teres MINOR, and subscapularis, which all support/stabilize the glenohumeral joint?
Area where the anterior (flexor) compartment muscles of the forearm attach proximally.
What is the medial epicondyle of the humerus?
The name for a confluence of blood vessels that promote collateral circulation, and the area(s) where this occurs in the upper limb.
What are anastomoses, which occur at the inferior scaula, around the scapular spine, and on both the dorsal and palmar surfaces of the hand?
The nerve that is at risk during a humeral fracture at the surgical neck.
What is the axillary nerve?
A muscle that can extend, adduct, and medially rotate the arm.
What is the latissimus dorsi or teres major?
The rhomboids are this type of muscular actor compared to the serratus anterior.
What is an antagonist (producing the opposite action)?
Area on the humerus that articulates with the ulna.
What is the trochlea?
The muscle(s) that are supplied by the dorsal scapular artery.
What are the rhomboids & levator scapulae?
Nerve that innervates the serratus anterior.
What is the long thoracic nerve?
The joints that the triceps brachii cross.
What are the elbow (all) and the shoulder (long head)?
The muscles that the radial nerve innervates.
More laterally placed of the two tubercles on the proximal humerus.
What is the greater tubercle?