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180 Cards in this Set
- Front
- Back
What is the action of the serratus anterior?
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Protractor of scapula,
Upward rotator of scapula. |
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What is the main function of pec minor?
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Primarily stabilizer of scapula.
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What are the two heads of Pec major?
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Clavicular and sternocostal
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What forms the three sides of the triange of auscultation?
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Lat dorsi, Trapezius, scapula
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What does pec major do? (3)
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Adductor, flexor, medially rotate forearm
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What innervates pec major and minor?
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Medial pectoral n., Lateral pectoral nerve.
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What innervates the subclavius?
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N. to subclavious.
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What is the origin of serratus anterior?
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Ribs 1-8
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Where does serratus anterior insert?
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Medial border of scapula.
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What is the functions of serratus anterior? (3)
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Inserts medial border of scapula, protracts scapula, holds scaupla against thoracic wall.
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What are the actions of the trapeziius?
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Elevate, retract, depress and upward rotate scapula.
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What is the insertion of the trapezius?
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Spine of scapula, acromion, lateral 1/3 of clavicle.
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What is the origin of lat dorsi?
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Thoracic vertebrae, sacrum, iliac crest.
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What is the actions of the lat dorsi?
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Extension, adduction, rotation.
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What innervates the levator scapulae?
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Dorsal scapular n.
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Where does the levator scapulae originate?
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transverse processes of C1-C4
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What innervates Rhomboid major and minor?
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Dorsal scapular nerve.
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What does supraspinatus do?
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Abductor of humerus.
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Where does supraspinatus insert?
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Greater tubercle.
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Where does Infra spinatus insert?
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Greater tubercle?
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What innervates supraspinatus and infra spinatus?
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Suprascapular nerve.
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What does Teres minor do?
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Laterally rotates arm.
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Where does teres minor insert?
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Greater tubercle.
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What innevates subscauplaris?
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Subscapular nerve.
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What are the 4 rotator cuff muscles?
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Supraspinatus,
Infraspinatus Teresminor Subscapularis. |
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What does teres major do?
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Medial rotator.
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What innervates teres major?
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Lower subscapular nerve.
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What do the anterior middle and posterior fibers of the deltoid do?
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Anterior - flex and medially rotate
Middle - abduct arm Posterior- Extend and laterally rotate. |
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What is the innervation of the deltoid?
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Axillary nerve
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Where does the short head of the biceps brachi originate?
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Coracoid process.
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What does the biceps brachii insert into?
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Radial tuberosity and bicipital aponeurosis.
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What innervates biceps brachii and coracobrachialis?
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Musculocutaneous nerve.
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What innervates the triceps brachii?
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Radial nerve.
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Where does the lateral head of the triceps begin?
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lateral border of scaupla.
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Where does the coracobrachialis insert?
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Middle of the humerus.
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What elevates the shoulder 0-30 degrees?
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Supraspinatus.
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What elevates the humerus from 30-120 degrees?
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Supraspinatus and deltoid, as well as trapezius and serratus anterior.
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What moves the arm above 120 degrees?
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Trapezius and serratus anterior.
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What forms the lateral wall of the axilla?
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Biciptal groove.
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What forms the anterior wall fo the axilla?
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Pec major and pec minor.
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What forms the posterior wall of the axilla (4)
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Scapula, subscapularis, teres major, lat dorsi
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What forms the medial wall of the axilla?
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Ribs 1-4, intercostal mm, serratus anterior.
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What forms the base of the axilla? (3)
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Skin, subcutaneous tissue, axillary fascia.
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What runs through the clavipectoral triangle?
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The cephalic vein.
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What vein does the cephallic vein join?
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The axillary vein.
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What does the biceps brachii insert into?
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Radial tuberosity and bicipital aponeurosis.
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What innervates biceps brachii and coracobrachialis?
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Musculocutaneous nerve.
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What innervates the triceps brachii?
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Radial nerve.
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Where does the lateral head of the triceps begin?
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lateral border of scaupla.
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Where does the coracobrachialis insert?
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Middle of the humerus.
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What elevates the shoulder 0-30 degrees?
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Supraspinatus.
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What elevates the humerus from 30-120 degrees?
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Supraspinatus and deltoid, as well as trapezius and serratus anterior.
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What moves the arm above 120 degrees?
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Trapezius and serratus anterior.
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What forms the lateral wall of the axilla?
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Biciptal groove.
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What forms the anterior wall fo the axilla?
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Pec major and pec minor.
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What forms the posterior wall of the axilla (4)
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Scapula, subscapularis, teres major, lat dorsi
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What forms the medial wall of the axilla?
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Ribs 1-4, intercostal mm, serratus anterior.
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What forms the base of the axilla? (3)
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Skin, subcutaneous tissue, axillary fascia.
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What runs through the clavipectoral triangle?
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The cephalic vein.
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What vein does the cephallic vein join?
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The axillary vein.
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What does the medial cutaneous nerve of the arm innervate?
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Medail arm, cutaineous ,medial brachial cutaneous nerve.
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What does the medial cutaneous nerve of forearm innervate?
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Medial forarm (medial antebrachail cutaneous nerve.
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What does the upper subscapular nerve innervate?
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Subscapularis.
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What does the lower subscapular nerve innervate?
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Subscapulularis and teres major
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What does the axillary nerve innervate?
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Deltoid and teres minor
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What does the musculocutaneous nerve innervate?
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Coracobrachialis, Biceps brachii, brachialis.
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What does the median nerve innervate?
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FD superficialis (1/2) FD profundus, FP longus, Pronators, FC radialis, Thenar mm, (1/2) Lumbricals)
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What are the thenar muscles?
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Abductor pollicis brevis, flexor pollicis brevis, Opponens pollicis
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What does the ulnar nerve innervate?
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(1/2) FD profundus, FC unaris, hypothenar, (1/2) lumbricals, interossei, abbductor pollicis.
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What dos the radial nerve innervate?
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Brachioradialis, supinator, snuff box mm.
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What are the hypothenar muscles?
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Abductor digiti minimi, flexor digiti minimi, opponens digiti minimi
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What are the snuff box muscles?
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Abductor pollicis longus, Extensor pollicis longus, extensor pollicis brevis.
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What innervates the skin of the forarm on the anterior side from elbow to wrist?
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MC
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What innervates the superior side of the thumb?
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Radial nerve
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What innervatesthe inferior side of the forearm?
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T1
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What innervates the upper lateral arm?
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C5
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What innervates the pad of the thumb?
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C6
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What innervates the pad of the little finger?
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C7
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What innervates the medial elbow?
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T1
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What are the branches of the axillary artery?
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Superior thoracic, Thoracoacromial, lateral thoracic, subscapular, anterior humorial circumflex, posterior humerial circumflex artery.
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What are the two branches of the subscapular artery?
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Circumflex scapular and thoracodorsal
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What does the superior thoracic artery supply?
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Pectoral muscles, thoracic wall muscles, and serratus anterior.
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What are the 4 branches of the thoracoacromial artery?
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Clavicular, acromial, deltoid, pectoral.
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What does the lateral thoracic artery supply?
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Serratus anterior, Pex minor, mammary glands.
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What does the subscapular artery supply?
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Subscapularis m
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What does the circumflex scapular artery supply?
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Posterior scapula, teres minor, infraspinatus
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What does the thoracodorsal artery supply?
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Lattissimus dorsi.
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What does the anterior and posterior humoral cercumflex artery supply?
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Deltoid and triceps brachii muscles.
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WHat is the important brach of the suprascapular artery?
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Dorsal scapular artery.
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What does the dorsal scapular artery run with?
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The dorsal scapular nerve.
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What does the dorsal scapular artery supply?
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Rhomboids, lat. dorsi, inferior trapezius
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What artery is usually not present in 75% of people?
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Transverse cervical artery.
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What vein runs through the cubital fossa?
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The medial cubital vein
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What are the paired brachial veins tributaries of ?
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The basilic vein
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What do the lateral axillary lymph nodes drain?
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Upper limb
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What do the anterior axillary lymph nodes drain?
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Abdominal wall, chest, and mammary glands
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What do the posterior axillary lymph nodes drain?
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Back, shoulder and neck.
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What do the central axillary lymph nodes drain?
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Lateral anterior and posterior nodes.
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What do the apical nodes drain?
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All other nodes and dumps into the subclavian lymphatic trunk.
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What do the lateral anterior and posterior lymph nodes drain into?
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The central lymph node.
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What does the central lymph node drain into?
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The apical lymph nodes.
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What si the action of the coracobrachialis?
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Flexor/abductor.
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What is the action of the biceps brachii?
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Flexion of elbow, supination of palm.
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What is the action of the Brachialis?
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Ulnar tuberosity
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Where does the brachialis insert?
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Ulnar tuberosity.
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What forms the roof of the cubital fossa?
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Bicipital aponeurosis?
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What innervates the biceps brachii, brachialis, coracobrachialis?
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All musculocutaneous nerve
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What is the insertion of of the triceps brachii?
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Olecron process
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What is the innervation of the triceps and anconeous?
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Radial nerve
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What does the anconeus do?
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Extends/ stabilizes the ulna
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What does the triceps do?
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Pure extensor of elbow
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What does the common interossesous artery arise from?
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The ulnar artery.
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What two braches does the common interosseous artery give rise to?
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Post. and anter. interosseus.
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What are the 4 branches of the brachial artery?
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Radial collateral, middle collateral, superior ulnar collateral, inferior ulnar colatoral
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Which nerves do not branch in the arm?
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Median and ulnar.
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What provides motor to posterior arm compartment?
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Radial nerve.
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What does the musculocutaneous supply motor to?
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Anterior arm compartment.
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What neve penetrates the coracobrachialis between the biceps and brachialis?
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Lateral cutaneous nerve of forearm.
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What do the medial and lateral intermuscular septums do?
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Divide the flexor and extensor compartments of the arm.
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What runs in the spiral groove of the humerus?
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Radial nerve and deep artery and veins of arm
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What is the common origin of the superficial flexor-pronator mucles?
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Medial epicondyle and proximal-anterior radius/ulna.
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What is the common origin of the extensor supinators?
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Lateral epicondyle and proximal-posterior radius ulna.
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What seperates teh posterior and anterior compartements in the arm?
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The lateral intermuscular septum and the interosseus membrane.
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What is the origin of the pronator teres?
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Medial epicondyale and ulnar head.
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What is the insertion fo the pronator teres?
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Radius.
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What innervates the proantor teres?
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median n.
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What does the flex. carpi radialis do?
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Flex the wrist joint, deviate the wrist to the radial side.
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Where does the flexor carpi radialis insert?
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Metacarpals II and III
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What innervates teh flex. carpi radialis?
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Median Nerve
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What innervates palmaris longus?
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Median Nerve
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What innervates flex. carpi ulnaris?
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Median nerve
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What innervats flex. digitorum superficialis?
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Median nerve
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What does the palmaris longus do?
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Flexes the wrist.
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What does the flex. carpi ulnaris do?
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Flexes the wrist and deviates the wrist to the ulnar side.
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What does the flex. carpi ulnaris insert into?
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Pisiform
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What does the flex. digitorum superficialis arise from?
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Medial epicondyle, proximal ulna, proximal radius.
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What does the flex. digitorum superficialsi insert into?
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Middle phalanx, forks after the proximal interphalange joint
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What does the flexor digitorum superficialis do?
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Flexes the wrist.
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What innervates the flex. digitorum profundus?
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1/2 median nerve, 1/2 ulnar nerve
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What does the flex. digitorum profundus arise from?
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Ulna and interosseius membrane.
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What does the flex. digitorum profundus do?
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Flexes wrist, Flexes MP, PIP, DIP
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Where does flexor pollicis longus insert?
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Distal phalanx of thumb.
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What inneravtes flexor pollicis longus?
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Median nerve.
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What does the pronator quadratus do?
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Asists the pronator teres in pronation.
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What does the flex. pollixis longus do?
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Flexes the wrist, flexes MP joint, Flexes MP joint of thumb.
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What innervats pronator quadratus?
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Median nerve.
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What innervates brachioradialis, ext. carpi radialis longus and ext. carpi radialis brevis?
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Radial n.
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What does the brachoradialis arise from?
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Lateral supracondyle ridge
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Where does the brachioradialis insert?
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Styloid process of radius.
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What does the Brachioradialis do?
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Assists in pronation and supination and flexes elbow
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Where does the ext. carpi radialis longus arise from?
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Lateral supracondyl ridge.
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Where does ext. carpi radialis longus insert?
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Metacarpal II
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Where does ext. carpi radialis insert?
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Metacarpal III
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Where does ext. carpi radialis brevis arise from?
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Lateral epicondyle.
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What do ext. carpi radialis longus and brevis do?
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Extend wrist and abduct wrist.
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Which is most lateral from a posterior view? Ext. carpi radialis longus or Ext. carpi radialis brevis?
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Ext. carpi radialis longus is most lateral and superior to ext. carpi radialis brevis.
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What innervates the ext. digitorum and Ext. carpi ulnaris?
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Radial n.
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What does the extensor digitorum insert into?
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Proximal phalanx.
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What dose the extensor digitorum arise from?
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Lateral epicondyle.
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WHich is closes to the pinky, extensor digiti minimi or extensor digitorm?
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Extensor digitorum.
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Where does the ext. carpi ulnaris arise from?
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Lateral epicondyle.
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What does the extoensor carpi ulnaris do?
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Extends the wrist and contributes to ulnar deviation.
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Where does the ext. carpi ulnaris insert?
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5th metacarpal
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What bone does the supinator wrap around?
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Radius.
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Where does extensor indicis arise?
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Ulna and interosseous membrane.
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What innervates teh supinator?
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Radial nerve.
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What innervates Extensor indicis?
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Radial nerve.
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What innervates abductor pollicis longus?
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Radial nerve
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What innerates ext. pollicis brevis?
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Radial nerve
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What innervates ext. pollicis longus?
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Radial nerve.
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Where does abductor pollicis longus insert?
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Meta carpal I
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Where does extensor pollicis brevis insert?
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Prosimal phalanx
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Where does ext. pollicis longus insert?
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Base of distal phalanx.
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What 3 muscles make up the snuff box?
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Abductor pollicis longus, ext. pollicis brevis, ext. pollicis longus.
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What is the superior border of the cubital fossa?
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Intercondylar line.
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What is the lateral border of the cubital fossa?
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Brachioradialis m.
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What is the medial extent of the cubital fossa?
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pronator teres m.
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What forms the floor of the cubital fossa?
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Brachialis and supinator muscles.
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What forms the roof of the cubital fossa?
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Deep fascia (bicipital aponeurosis)
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Wha are the contents of the bubital fossa?
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Biceps tendon, brachial a and v, radial and ulnar brahcnes, brachial veins, parts of median and radial nerves.
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