Flashcards in Upper Limb Deck (98)
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
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
Lateral root of median nerve
Brachial plexus branches coming from the medial cord
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
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?
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
What structure passes through the quadrangular space?
posterior circumflex humeral artery
Nerve that lies against the surgical neck of the humerus
Nerve that descends in the interval between the axillary artery and vein
Nerve that lies behind the medial epicondyle of the humerus
Largest branch of the brachial plexus
Nerve that lies behind the axillary artery
Nerve that lies against the spiral groove of the humerus
Innervation of biceps brachii long and short head?
Innervation of brachialis?
Innervation of coracobrachialis?
Innervation of triceps long, lateral, and medial head?
Muscle which flexes elbow joint and supinates forearm?
Innervation of pronator teres?