Upper Limbs O/I/A/I

Biological Sciences 1015 with Roseberry & Caroll at Marquette University

About this deck

By: Mary Grace
Textbook:

Principles of Anatomy and Physiology
Created: 2010-02-24
Size: 50 flashcards
Views: 12

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glenohumeral (shoulder) joint

type: diarthrosis (ball and socket); movement: felxion extension abduction adduction circumduction medial and lateral rotation

radiocarpal (wrist)

type: diarthrosis (condyloid) movement: flexion extension abduction adduction circumduction

Trapezius

O: superior nuchal line, ext occipital protuberance, lig. nuchae, spinous process C7 & T1-T12

Ins: lateral 1/3 of clavicle; acromoin and spine of scapula

Act: elevates retracts scapula

Inn: accessory nerve (CN 11)

Levator scapulae

Act: elevates scapula

Inn: dorsal scapula nerve

Rhomboid

Act: retracts scapula

Inn: dorsal scapular nerve

Serratus anterior

Act: protracts and holds scapula to body

Inn: long thoracic nerve

Subclavicus

Act: fixes clavicle; cushions vessels

Inn: nerve to subclavicus

Pectoralis minor

Act: protracts scapula

Inn: medial pectoral nerve

Pectoralis major

O: medial 1/2 of clavicle, sternum, costal cartilafe of ribs 2-6

Ins: crest of greater tubercle

Act: adducts, medially rotates humerus

Inn: medial and lateral pectoral nerve

Latissimus dorsi

Act: adducts, extends, and medially rotates humerus

Inn: thoracodorsal nerve

Subscapularis

O: subscapular fossa

Ins: lesser tubercle of humerus

Act: medial rotation of humerus

Inn: upper and lower subscapular nerve

Supraspinatus

O: supraspinous fossa

Ins: greater tubercle of humerus

Act: abducts humerus

Inn: suprascapular nerve

Infraspinatus

O: infraspinous fossa

Ins: greater tubercle of humerus

Act: lateral rotation of humerus
Inn: suprascapular nerve

Teres minor

O: lateral part, dorsal surface of scapula

Ins: greater tubercle of humerus

Act: lateral rotation of humerus

Inn: axillary nerve

Teres major

Act: adducts extends and medially rotates arm

Inn: lower subscapular nerve

Deltoid

Act: ant-flexes medially rotates arm; middle-abducts arm; post-extends and laterally rotates arm

Inn: axillary nerve

Coracobrachialis

O: tip of coracoid process

Ins: medial surface of middle of humerus

Act: flexion and adduction of arm

Inn: musculocutaneous nerve

Biceps brachii (short and long head)

O: tip of coracoid process; supragelnoid tubercle of scapula

Ins: radial tuberosity

Act: supinates forearm flexes forearm

Inn: musculocutaneous nerve

Brachialis

O: lower half of anterior humerus

Ins: tuberosity of ulna

Act: flexes elbow

Inn: musculocutaneous nerve

Triceps brachii (long, lateral, and medial head)

O: infraglenoid tubercle of scapula; post shart of humerus; post shaft of humerus

Ins: olecranon process of the ulna

Act: extension of elbow

Inn: radial nerve

Pronator teres

Act: pronates forearm and flexes elbow

Inn: median nerve

Flexor carpi radialis

Act: flexes wrist and abducts hand

Inn: median nerve

Palmaris longus

Act: flexes wrist

Inn: median nerve

Flexor carpi ulnaris

Act: flexes wrist and adducts hand

Inn: ulnar nerve

Flexor digitorum superficialis

Act: flexes digits 2-5 and flexes wrist

Inn: median nerve

Flexor digitorum profundus

Act: flexes digits 2-5 and flexes wrist

Inn: ulnar half by unlar nerve; median nerve

Flexor pollicis longus

Act: flexes first digit and flexes wrist

Inn: median nerve

Pronator quadratus

Act pronates forearm

Inn: median nerve

Brachioradialis

Act: flexes forearm (elbow)

Inn: radial nerve

Extensor carpi radialis longus

Act: extends and abducts hand

Inn: radial nerve

Extensor carpi radialis brevis

Act: extends and abducts hand

Inn: radial nerve

Extensor digitorum

Act: extends fingers and wrist
Inn: radial nerve

Extensor digiti minimi

Act: extends digiti minimi and wrist

Inn: radial nerve

Extensor carpi ulnaris

Act: extends and adducts hand

Inn: radial nerve

Anconeus

Act: assists in extension of forearm

Inn: radial nerve

Supinator

Act: supinates forearm

Inn: radial nerve

Abductor pollicis longus

Act: abducts and extends thumb

Inn: radial nerve

Extensor pollicis brevis

Act: extends thumb

Inn: radial nerve

Extensor pollicis longus

Act: extends thumb

Inn: radial nerve

Extensor indicis

Act: helps extend index finger

Inn: radial nerve

Abductor pollicis brevis

Act: abducts thumb

Inn: median nerve

Opponens pollicis

Act: abducts flexes rotates first metacarpal

Inn: median nerve

Flexor pollicis brevis

Act: flexes thumb

Inn: median nerve

Adductor pollicis

Act: adducts the thumb

Inn: ulnar nerve

Abductor digiti minimi

Act: abducts little finger

Inn: ulnar nerve

Lumbricals (4)

Act: flex MP joints 2-5; extend IP 2-5

Inn: median nerve 1&2; ulnar nerve 3&4

Triangle of ausculation

superior border=trapezius m; lateral boundary= medial border of scapula; inferior border=latissimus dorsi m

Triangular space boundaries and contents

teres minor, teres major, long head of triceps brachii; contains circumflex scapular vessel

Quadrangular space boundaries and contents

teres minor, teres major, long headof triceps brachii, shaft of humerus; contains axillry nerve and posterior circumflex humeral artery and vein

Right cubital fossa boundaries and contents

brachialis, brchioradialis, pronator teres; contains tendon of biceps brachii, brachial artery, median nerve

About this deck

By: Mary Grace
Textbook:

Principles of Anatomy and Physiology
Created: 2010-02-24
Size: 50 flashcards
Views: 12

About StudyBlue

“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy