Arm and forearm Flashcards
Anterior compartment of arm - nerve supply
Musculocutaneous nerve
Anterior compartment of arm - arterial supply
Brachial artery
Anterior compartment of arm - venous drainage
Cephalic vein (lateral aspects) Basilic vein (medial aspects)
Anterior compartment of arm - muscles (3)
BBC
Biceps brachi
Brachialis
Coracobrachialis
Anterior compartment of arm - biceps brachii location
Most anteriorly positioned
Anterior compartment of arm - biceps brachii function
Flex elbow joint
Flex shoulder joint
Supinates forearm
Anterior compartment of arm - coracobrachialis location
Deep to biceps brachii
Medial to brachialis
More superior
Anterior compartment of arm - coracobrachialis function
Flexion and adduction of shoulder
Anterior compartment of arm - brachialis location
Deep to biceps brachii
Lateral to coracobrachialis
Anterior compartment of arm - brachial function
Flexion of elbow
Posterior compartment of arm - muscles (1)
Triceps brachii (long head, lateral head, medial head)
Posterior compartment of arm - triceps brachii function
Extension of the arm (at shoulder joint)
Extension of the forearm (at elbow joint)
Posterior compartment of arm - nerve supply
Radial nerve
Axillary nerve - supplies sensory innervation to badge patch area (lateral aspect of arm)
Posterior compartment of arm - arterial supply
Ulnar artery branch - Posterior interosseous artery
Cubital fossa - definition
Triangular depression on the anterior surface of the elbow
Cubital fossa - boundaries
Superiorly - imaginary line connecting medial and lateral epicondyles Medially - pronator teres Laterally - brachioradialis Floor - brachialis Roof - bicipital aponeurosis
Cubital fossa - superficial contents
Median cubital vein
Cephalic vein
Basilic vein
Cubital fossa - deep contents
Median nerve
Brachial artery
Radial nerve
Which veins are commonly used for venipuncture and cannulation?
Cephalic vein
Basilica vein
Name 2 elbow joints
Humero-ulnar joint
Radio-capitellar joint