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83 Cards in this Set

  • Front
  • Back
__is a motor and sensory innervation of upper extremity
Brachial Plexus
__originates in post triangle of neck
Brachial Plexus
__roots C5-C8, T1
Brachial Plexus
___are neves of roots of Brachial Plexus
Dorsal scapular nn, Long thoracic nn, and Phrenic nn
__product of C5
Dorsal scapular nn
__innervates rhomboid major and minor, levator scapula
Dorsal scapular nn
__product of C5-C7
Long thoracic nn
__innervates serratus anterior
Long thoracic nn
__product of C3-C5
Phrenic nn
__innervates diaphragm
Phrenic nn
Brachial extremity has trunks(3): _____
Superior trunk
Middle trunk
Inferior trunk
__product of C5 & C6
Superior trunk
Superior trunk has 2 nerves:____
Suclavius nn (innervates subclavius) and Suprascapular nn (innervates supraspinatus & infraspinatus)
__product of C7
Middle trunk
__product of C8 & T1
Inferior trunk
Brachial plexus trunks bifurcate to form ___
Divisions
Each trunk divides into ___and ____
Anterior divisions
Posterior divisions
there are ____ off of the division in brachial plexus
No nerves
There are 3 cords for the Brachial Plexus
Lateral cord
Medial cord
Posterior cord
__is the anterior divisions of superior and middle trunks
Lateral cord
Lateral cord has 2 nerves: ___
Lateral pectoral nn
Musculocutaneous nn
___innervates pectoralis major
Lateral pectoral nn
__innervates flexors in anterior compartment
Musculocutaneus nn
___descends lateral aspect of arm
Musculocutaneous nn
__becomes lateral cutaneous nerve of arm
Musculocutaneous nn
___contributes to median nerve
Lateral cord
Medial cord
__anterior division of inferior trunk
Medial cord
__descends arm laterally to brachial artery
Medial cord
__passes elbow deep to bicipital aponeurosis
Medial cord
__no branches in axilla or arm
Medial cord
__ innervates all muscles in anterior compartment except ____and ___
Median nn
Flexor carpi ulnaris and medial 1/2 of flexor digitorum profundis
Flexor carpi ulnaris and medial 1/2 of flexor digitorum profundis innervated by ____
Ulnar nn
___innervates muscles of thenar eminence and 2 lateral lumbricals
Recurrent branch of median nn
Musclesof thenar eminence and 2 lateral lubricals are ___
Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Palmar sensory innervation of median nn
Lateral palmar skin
Skin of thumb
Index and middle finger
lateral 1/2 of ring finger
Dorsal sensory innervation of median nn
Skin of distal portion of index, middle, and lateral 1/2 of ring finger
Thumb
Nerves in the medial cord are _____
Contributes to Median nn
Medial pectoral nn
Medial cutaneous nerve of arm
Medial cutaneous nerve of forearm
Ulnar nn
__innervates pectoralis major and minor
Medial pectoral nn
___general sensation for medial cord
Medial cutaneous nerve of arm
Medial cutaneous nerve of forearm
__descends anterior to tricep
Ulnar nn
__medial to brachial artery
Ulnar nn
__innervates nothing in arm
Ulnar nn
___innervates medial 1/2 of flexor digitorum profundis and flexor carpi ulnaris
Ulnar nn
__branches upon entering hand
Ulnar nn
Deep branches of ulnar nn innervate all muscles of the hand except ____
Thenar eminence and 2 lateral lubricals
Superficial branches of ulnar nerve cutaneously innervate ____
Palmar surface(little finger, medial 1/2 of ring finger, medial palm) and Dorsal surface(little finger, medial 1/2 of ring finger, and medial hand)
___product of posterior divisions
Posterior cord
Posterior cord includes:___
Upper subscapular nn, lower subscapular nn, thoracodorsal nn, axillary nn, and radial nn
___innervate subscapularis muscles
Upper subscapular nn
__innervates teres major
Lower subscapular nn
__between subscapular nn
Thoracodorsal nn
__innervates latissimus dorsi
Thoracodorsal nn
__innervates deltoi and teres minor
Axillary nn
___begins where axillary nn comes off
Radial nn
__is the longest nerve of brachial plexus
Radial nn
__is medial to humerus following course of profunda brachii artery
Radial nn
___innervates triceps in posterior compartment
Radial nn
Radial splits into deep and superficial at level of lateral ____
Humeral epicondyle
___is a continuation of radial nn
Superficial branches
__is a cutaneous function
Superficial branches
Superficial branches descends forearm ____
Anteriorly and laterally
Superficial branches dorsal innervation: ____
Dorsum of thumb. Proximal dorsal portion of index, middle, and lateral 1/2 of ring finger. Lateral dorsal aspect of hand
__innervates all muscles in posterior and lateral compartments of forearm
Deep branches of radial nn
Veins of upper extremity
Deep or Superficial. Deep veins follow the same pattern as arteries and will have the same name
Venous valves of upper extremity: ____
Veins going against gravity have valves. Muscles contract to force blood back to the heart. Deep veins have more valves than superficial
___locates in subcutaneous tissue
Superficial vein of upper extremity
__begins in veous networks
Superficial vein of upper extremity
Superficial veins include:____
Cephalic v, Basillic v, Median antebrachial v, Medial cubital v
__originates from lateral aspect of dorsal venous arch
Cephalic v
__ascends lateral aspect of arm
Cephalic v
__lateral to biceps brachii
Cephalic v
__pierces fascia in deltopectoral triangle
Cephalic v
__tributary of axillary v
Cephalic v
__medial aspect of dorsal venous arch
Basillic v
__ascends medial aspect of forearm
Basillic v
__enters arm and ascnds medially
Basillic v
__medial to biceps brachii
Basillic v
__1/3 of the way up it does deep
Basillic v
___begins at palmar venous arch
Mdian antebrachial v
__ascends ventral aspect of forearm
Median antebrachial v
__tributary of basilic v
Median antebrachial v
__communications between deep and superficial veins
Median cubital v
usually flows deep to superficial
Compensatory system