Posterior Cadaver Muscles Day 1 Flashcards by Sydney Campbell

origin of trapezius

occipital bone, spinous process of C7-T12

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insertion of trapezius

acromion and spine of scapula, clavicle

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actions of trapezius

elevate or depress scapula, retract and upwardly rotate scapula

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origin of latissimus dorsi

spinous process of T7-T12, ribs 9-12, iliac crest

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insertion of latissimus dorsi

intertubercular groove

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actions of latissimus dorsi

extends, adducts, medially rotates arm

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origin of levator scapulae

transverse process of C1-C4

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insertion of levator scapulae

medial border

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actions of levator scapulae

elevates, retracts, downwardly rotates scapula

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origin of rhomboid major

spinous process of T2-T5

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insertion of rhomboid major

medial border

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actions of rhomboid major

retracts and downwardly rotates scapula

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origin of rhomboid minor

spinous process of C7-T1

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insertion of rhomboid minor

medial border

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actions of rhomboid minor

retracts and downwardly rotates scapula

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What muscles make up the rotator cuff?

supraspinatus, infraspinatus, teres minor, subscapularis

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origin of supraspinatus

supraspinous fossa

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insertion of supraspinatus

greater tubercle

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actions of supraspinatus

abducts arm

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origin of infraspinatus

infraspinous fossa

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insertion of infraspinatus

greater tubercle

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actions of infraspinatus

laterally rotates arm

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origin of teres minor

lateral border

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insertion of teres minor

greater tubercle

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actions of teres minor

laterally rotates arm

origin of subscapularis

subscapular fossa

insertion of subscapularis

lesser tubercle

actions of subscapularis

medially rotates arm

origin of teres major

inferior angle

insertion of teres major

m. lip of intertubercular sulcus

actions of teres major

adducts, extends, medially rotates arm

origin of triceps brachii long head

infraglenoid tubercle

insertion of triceps brachii long head

olecranon process

actions of triceps brachii long head

extends forearm

origin of triceps brachii lateral head

shaft of humerus

insertion of triceps brachii lateral head

olecranon process

actions of triceps brachii lateral head

extends forearm

origin of triceps brachii medial head

shaft of humerus

insertion of triceps brachii medial head

olecranon process

actions of triceps brachii medial head

extends forearm

What muscle is this?

trapezius

What muscle is this?

latissimus dorsi

What muscle is this?

levator scapulae

What muscle is this?

rhomboid major

What muscle is this?

rhomboid minor

What muscle is this?

supraspinatus

What muscle is this?

infraspinatus

What muscle is this?

teres minor

What muscle is this?

teres major

What muscle is this?

splenius capitis

What muscle is this?

semispinalis capitis

What muscle is this?

iliocostalis

What muscle is this?

longissimus

What muscle is this?

spinalis

What muscle is this?

triceps brachii long head

What muscle is this?

triceps brachii lateral head

What muscle is this?

triceps brachii medial head

What muscle is this?

subscapularis

What muscle is this?

brachioradialis

What muscle is this?

flexor carpi radialis

What muscle is this?

palmaris longus

What muscle is this?

flexor carpi ulnaris

What muscle is this?

pronator teres

What muscle is this?

flexor digitorum superficialis

What muscle is this?

supinator

What muscle is this?

flexor pollicis longus

What muscle is this?

flexor digitorum profundus

What muscle is this?

pronator quadratus

What muscles make up the erector spinae (thoracis)?

iliocostalis, longissimus, spinalis

What muscle is this?

abductor pollicis brevis

What muscle is this?

flexor pollicis brevis

What muscle is this?

adductor pollicis

What muscle is this?

abductor digiti minimi

What muscle is this?

lumbricals

What muscle is this?

flexor digiti minimi brevis

What muscle is this?

opponens digiti minimi

What muscle is this?

opponens pollicis

What muscle is this?

palmar interossei

What muscle is this?

dorsal interossei

What are the thenar muscles?

abductor pollicis brevis, flexor pollicis brevis, opponens pollicis, adductor pollicis

What are the hypothenar muscles?

abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi

What are the midpalmar muscles?

lumbricals, palmar interossei, dorsal interossei