Upper Limb Flashcards
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Enumerate Brachial Plexus Trunks and from what Roots?
Upper Trunk - C5 and C6
Middle Trunk - C7
Lower Trunk - C8 and T1
Enumerate Brachial Plexus Cords and from what division?
Lateral Cord - Anterior Upper and Anterior Middle
Medial Cord - Antterior Lower
Posterior Cord - Posterior Upper, Middle, and Lower
Which part of the brachial plexus is named after its location around the axillary artery
Cords
Brachial plexus branches coming from the roots
Dorsal Scapular Nerve (C5)
Long Thoracic Nerve (C5,6,7)
Brachial plexus branches coming from the trunk
Nerve to subclavius (upper trunk) Suprascapular Nerve (upper trunk)
Brachial plexus branches coming from the lateral cord
Lateral pectoral nerve
Musculocutaneous nerve
Lateral root of median nerve
Brachial plexus branches coming from the medial cord
Ulnar nerve medial root of median nerve Medial pectoral nerve Medial cutaneous nerve Medial antebrachial cutaneous nerve (forearm)
Brachial plexus branches coming from the posterior cord
Upper and lower subscapular nerve
Thoracodorsal nerve
Axillary nerve
Radial Nerve
The accessory phrenic nerve, when present is supplied by what branch of the brachial plexus?
Nerve to subclavius
Dorsal Scapular Nerve innervates?
Rhomboid major and minor, levator scapulae
Long Thoracic Nerve innervates?
Serratus anterior
Suprascapular Nerve innervates?
Supraspinatus and Infraspinatus
Lateral and Medial Pectoral Nerve innervates?
Lateral - Pectoralis major
Medial - Pectoralis major and minor
Upper and Lower Subscapular nerve innervates?
Upper - Subscapularis
Lower - Subscapularis and Teres Major
Axillary Nerve innervates?
Teres Minor, Deltoid
Thoracodorsal Nerve innervates
Latissimus dorsi
What structure passes through the quadrangular space?
Axillary nerve
posterior circumflex humeral artery
Nerve that lies against the surgical neck of the humerus
Axillary nerve
Nerve that descends in the interval between the axillary artery and vein
Ulnar nerve
Nerve that lies behind the medial epicondyle of the humerus
Ulnar nerve
Largest branch of the brachial plexus
Radial nerve
Nerve that lies behind the axillary artery
Radial nerve
Nerve that lies against the spiral groove of the humerus
Radial nerve
Innervation of biceps brachii long and short head?
Musculocutaneous nerve
Innervation of brachialis?
Musculocutaneous nerve
Innervation of coracobrachialis?
Musculocutaneous nerve
Innervation of triceps long, lateral, and medial head?
Radial nerve
Muscle which flexes elbow joint and supinates forearm?
Biceps brachii
Innervation of pronator teres?
Median nerve
Innervation of flexor carpi radialis?
Median nerve
Innervation of palmaris longus?
Median nerve
Innervation of flexor carpi ulnaris
Ulnar nerve
Innervation of flexor digitorum superficialis
Median nerve
Innervation of flexor pollicis longus
Anterior interosseus branch of median nerve
Innervation of flexor digitorum profundus
Ulnar - medial half
Median - lateral half
Innervation of pronator quadratus
Anterior interosseus branch of median nerve
Innervation of brachioradialis
Radial nerve
Innervation of extensor carpi radialis longus
Radial nerve
Innervation of extensor carpi radialis brevis
Deep branch of radial nerve