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Comparative Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

Superficial pectoral

A

Two parts: descending pectoral, transverse pectoral
Origin: sternebrae 1-2/3
Insertion: crest of greater tubercle of humerus
Innervation: cranial pectoral (C7-8)
Artery: external thoracic artery

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2
Q

Deep pectoral

A

Also called: ascending pectoral
Origin: ventral part of sternum; xiphoid cartilage
Insertion: greater & lesser tubercles of humerus
Innervation: caudal pectoral (C8-T1)
Artery: lateral thoracic artery

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3
Q

Brachicephalicus

A

Three parts: cleidobrachialis, cleidocephalicus (pars cervicalis, pars mastoidea)
Innervation: accessory, ventral cervical nerves
Artery: superficial cervical artery

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4
Q

Cleidobrachialis

A

Origin: clavicular intersection
Insertion: distal end of cranial border of humerus

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5
Q

Cleidocephalicus (pars cervicalis)

A

Origin: claviular intersection
Insertion: cranial half of mid-dorsal raphe, nuchal crest, occipital bone

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6
Q

Cleidocephalicus (pars mastoidea)

A

Origin: clavicular intersection
Insertion: mastoid part of temporal bone

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7
Q

Sternocephalicus

A

Two parts: mastoid, occipital
Origin: manubrium, first sternebrae
Insertion: mastoid process (mastoid part); occipital bone (occipital part)
Innervation: accessory, ventral branches of cervical spinal nerves
Artery: superficial cervical artery

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8
Q

Sternohyoideus

A

Origin: first sternebrae, first costal cartilage
Insertion: basihyoid bone
Innervation: ventral branches of cervical spinal nerves
Artery: superficial cervical artery

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9
Q

Sternothyroideus

A

Origin: first costal cartilage
Insertion: thyroid cartilage
Innervation: ventral branches of cervical spinal nerves
Artery: superficial cervical artery

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10
Q

Omotransversarius

A

Origin: distal end of spine of scapula, wing of atlas
Insertion: distal spine of scapula
Innervation: accessory
Artery: superficial cervical artery

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11
Q

Trapezius

A 
Two parts: cervical, thoracic
Origin: median raphe of neck, supraspinous ligament from C3-T9
Insertion: spine of scapula
Innervation: accessory
Artery: superficial cervical artery
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12
Q

Rhomboideus

A

Three parts: capitis, cervicis, thoracis
Origin: capitis (nuchal crest of occipital bone), cervicis (median raphe of neck), thoracis (spinous processes of T1-7)
Insertion: dorsal border of scapula
Innervation: ventral branches of cervical & thoracic spinal nerves
Artery: superficial cervical artery

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13
Q

Latissimus dorsi

A

Origin: thoracolumbar fascia from spinous process of T7-13 & L1-7, last 2-3 ribs
Insertion: teres major tuberosity of humerus, teres major tendon
Innervation: thoracodorsal, cervical spinal nerves C7-T1
Artery: thoracodorsal artery

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14
Q

Serratis ventralis

A 
Two parts: cervicis, thoracis
Origin: cervicis (transverse processes of C3-7), thoracis (ventral-middle ribs 1-7)
Insertion: serrated face of scapula
Innervation: cervical branches, C7
Artery: external thoracic artery
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15
Q

Deltoideus

A

Origin: spine & acromial processes of scapula
Insertion: deltoid tuberosity
Innervation: axillary nerve
Artery: caudal circumflex humeral artery

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16
Q

Infraspinatus

A

Origin: infraspinatus fossa
Insertion: lateral side of greater tubercle of humerus
Innervation: suprascpular nerve
Artery: superficial cervical artery

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17
Q

Teres minor

A

Origin: infraglenoid tubercle, distal 3rd caudal border of scapula
Insertion: teres minor tuberosity on humerus
Innervation: axillary nerve
Artery: subscapular artery

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18
Q

Supraspinatus

A

Origin: supraspinous fossa
Insertion: greater tubercle of humerus
Innervation: suprascapular nerve
Artery: superficial cervical artery

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19
Q

Subscapularis

A

Origin: subscapular fossa
Insertion: lesser tubercle of humerus
Innervation: subscapular nerve
Artery: subscapular artery

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20
Q

Teres major

A

Origin: caudal border of scapular & caudal border of subscapularis
Insertion: teres major tuberosity of humerus
Innervation: axillary nerve
Artery: subscapular artery, thoracodorsal artery

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21
Q

Coracobrachialis

A

Origin: coracoid process of scapula
Insertion: crest of lesser tubercle of humerus
Innervation: musculocutaneous nerve
Artery: superficial cervical artery

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22
Q

Tensor fasciae antebrachii

A

Origin: fascia covering lateral side of latissimus dorsi
Insertion: Olecranon
Innervation: radial nerve
Artery: subscapular artery

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23
Q

Triceps brachii

A

Four parts: long head, lateral head, medial head, accessory head
Origin: long head (caudal border of scapula), lateral head (tricipital line of humerus), accessory head (neck of humerus), medial head (crest of lesser tubercle of humerus)
Insertion: lecranon tuber of ulna bone
Innervation: radial nerve
Artery: caudal circumflex humeral artery, deep brachial, collateral ulnar

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24
Q

Anconeus

A

Origin: lateral supracondylar crest, lateral/medial epicondyles of humerus
Insertion: olecranon
Innervation: radial nerve
Artery: collateral ulnar artery

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25
Biceps brachii
Origin: supraglenoid tubercle Insertion: ulnar and radial tuberosities Innervation: musculocutaneous nerve Artery: cranial circumflex humeral, bicipital arteries
26
Brachialis
Origin: proximal 3rd of lateral face of humerus Insertion: ulnar & radial tuberosities Innervation: musculocutaneous nerve Artery: bicipital artery
27
Extensor carpi radialis
Origin: lateral supracondylar crest Insertion: tuberosities on dorsal base of metacarpals II & III Innervation: radial nerve Artery: common interosseous artery
28
Common digital extensor
Origin: lateral epicondyle of humerus Insertion: distal phalanges of digits Ii, III, IV, & V Innervation: radial nerve Artery: common interosseous artery
29
Lateral digital extensor
Origin: lateral epicondyle of humerus Insertion: proximal phalanges of digits III, IV, & V Innervation: radial nerve Artery: commone interosseous artery
30
Ulnaris lateralis
``` A flexor muscle Origin: lateral epicondyle of humerus Insertion: proximal end of metacarpal V Innervation: radial nerve Artery: common interosseous artery ```
31
Supinator
Origin: lateral epicondyle of humerus Insertion: cranial surface of the proximal 4th of radius Innervation: radial nerve Artery: common interosseous artery
32
Abductor digiti I longus
Origin: lateral border & cranial surface body of ulna, interosseous membrane Insertion: proximal end of metacarpal I Innervation: radial nerve Artery: common interosseous artery
33
Pronator teres
Origin: medial epicondyle of humerus Insertion: medial border of radius Innervation: median nerve Artery: common interosseous artery, deep antebrachium artery
34
Flexor carpi radialis
Origin: medial epicondyle of humerus, medial border of radius Insertion: palmar side of base of metacarpals II, III Innervation: median nerve Artery: common interosseous artery, deep antebrachium artery
35
Superficial digital flexor
Origin: medial epicondyle of humerus Insertion: palmar surface of middle phalanges of digiti II, III, IV, V Innervation: median nerve Artery: common interosseous artery, deep antebrachium artery
36
Flexor carpi ulnaris
Two parts: ulnar head, humeral head Origin: ulnar head (olecranon), humeral head (medial epicondyle of humerus) Insertion: accessory carpal bone Innervation: ulnar nerve Artery: common interosseous artery, deep antebrachium artery
37
Deep digital flexor
Three parts: humeral head, ulnar head, radial head Origin: humeral head (medial epicondyle of humerus), ulnar head (caudal border of ulna), radial head (medial border of radius) Insertion: flexor tubercle of palmar surface of distal phalanx of each digit Innervation: median & ulnar nerves Artery: common interosseous artery, deep antebrachium artery
38
Pronator quadratus
Attachments: apposed surfaces of radius & ulnar Innervation: median nerve Artery: common interosseous artery, deep antebrachium artery
39
Biceps femoris
Origin: sacrotuberous ligament, ischiatic tuberosity Insertion: patella, tuber calcanei Innervation: sciatic nerve Artery: caudal gluteal artery, distal caudal femoral artery
40
Semitendinosus
Origin: ischiatic tuberosity Insertion: tuber calcanei, disto-cranial border/medial body of tibia Innervation: sciatic nerve Artery: caudal gluteal artery; proximal, middle, & distal caudal femoral arteries
41
Semimembranosus
Origin: ischiatic tuberosity Insertion: medial condyle of tibia, distal lip of caudal surface of femur Innervation: sciatic nerve Artery: caudal gluteal artery; proximal, middle, & distal caudal femoral arteries
42
Sartorius
Two parts: cranial parts, caudal part Innervation: femoral nerve Artery: iliolumbar artery, superficial circumflex iliac artery
43
Sartorius (cranial part)
Origin: crest of ileum, thoracolumbar fascia Insertion: patella
44
Sartorius (caudal part)
Origin: cranial ventral iliac spine, ventral border of ileum Insertion: cranial border of tibia
45
Gracilis
Origin: pelvic symphysis via symphysial tendon Insertion: cranial border of tibia, tuber clacanei Innervation: obturator nerve Artery: deep femoral artery; proximal, middle, & distal caudal femoral arteries
46
Pectineus
Origin: iliopubic eminence, pubic tubercle via prepubic tendon Insertion: caudal face of lip of femur Innervation: obturator nerve Artery: deep femoral artery, proximal caudal femoral artery
47
Adductor
Origin: pelvic symphysis, ventral surface of pubis and ischium Insertion: lateral lip of caudal surface of femur Innervation: obturator nerve Artery: deep femoral artery, proximal caudal femoral artery
48
Tensor fascira latae
Origin: tuber coxae, aponeurosis on ileum Insertion: lateral femoral fascia Innervation: cranial gluteal nerve Artery: lateral circumflex femoral artery
49
Superficial gluteal
Origin: lateral border of sacrum, iliac spine Insertion: third trochanter Innervation: caudal gluteal nerve Artery: cranial & caudal gluteal arteries, lateral circumflex femoral artery
50
Middle gluteal
Origin: crest/gluteal surface of ileum Insertion: greater trochanter Innervation: cranial gluteal nerve Artery: cranial & caudal gluteal arteries, lateral circumflex femoral arteries
51
Deep gluteal
Origin: body of ileum, ischiatic spine Insertion: cranial part of greater trochanter Innervation: cranial gluteal nerve Artery: cranial & caudal gluteal arteries
52
Internal obturator
Origin: symphysis pelvis Insertion: trochanteric fossa of femur Innervation: sciatic nerve Artery: medial circumflex femoral artery, caudal gluteal artery
53
Gemelli
Origin: lateral surface of ischium Insertion: trochanteric fossa Innervation: sciatic nerve Artery: caudal gluteal artery
54
Quadratus femoris
Origin: ventral caudal part of ischium Insertion: intertrochanteric crest Innervation: sciatic nerve Artery: caudal gluteal artery
55
External obturator
Origin: ventral surface of pubis and ischium Insertion: trochanteric fossa Innervation: obturator nerve Artery: caudal gluteal artery, medial circumflex femoral artery
56
Quadriceps femoris
Four parts: rectus femoris, vastus lateralis, vastus intermedius, vastus medialis Origin: rectus femoris (ileum), vastus lateralis (proximal/lateral lip of caudal surface of femur), vastus intermedius (lateral side of proximal end of femur), vastus medialis (medial side of proximal end of femur) Insertion: tibial tuberosity Innervation: femoral nerve Artery: lateral circumflex femoral artery, superficial circumflex iliac artery
57
Iliopsoas
``` Two parts: psoas major, iliacus Origin: psoas major (lumbar vertebrae), iliacus (cranioventral ileum) Insertion: lesser trochanter Innervation: lumbar nerve, femoral nerve Artery: iliolumbar artery ```
58
Cranial tibial
Origin: extensor groove, adjacent articular margin of tibia Insertion: plantar surface at base of metatarsals I & II Innervation: fibular nerve Artery: cranial tibial artery
59
Long digital extensor
Origin: extensor fossa of femur Insertion: extensor processes of distal phalanges of digits II-V Innervation: fibular nerve Artery: cranial tibial artery
60
Fibularis longus
Origin: lateral condyle of tibia, proximal end of fibula, lateral epicondyle of femur Insertion: 4th tarsal bone Innervation: fibular nerve Artery: cranial tibial artery
61
Gastrocnemius
Origin: medial and lateral supracondylar tuberosities of femur Insertion: proximal dorsal surface of tuber calcanei Innervation: tibial nerve Artery: distal caudal femoral artery, popliteal artery
62
Superficial digital flexor
Origin: lateral supracondylar tuberosity of femur Insertion: tuber calcanei & digits II-V Innervation: tibial nerve Artery: distal caudal femoral artery, popliteal artery
63
Deep digital flexor
Two parts: lateral digital flexor, medial digital flexor Origin: caudal proximal 2/3rd of tibia, proximal 1/2 of fibula Insertion: flexor tubercle on base of each distal phalange Innervation: tibial nerve Artery: distal caudal femoral artery, popliteal artery
64
Popliteus
Origin: lateral epicondyle of femur Insertion: proximal/caudal surface of tibia Innervation: tibial nerve Artery: popliteal artery
65
Longus capitis
Origin: transverse processes of cervical vertebrae Insertion: muscular tubercle of basioccipital bone
66
Longus colli
Covers ventral surfaces of vertebral bodies from T6 cranially to C1 (atlas
67
Iliocostalis lumborum
Origin: wing of ilium Insertion: transverse processes of lumbar vertebrae, last 4-5 ribs
68
Iliocostalis thoracis
Origin: 12th rib Insertion: transverse processes of lumbar vertebrae
69
Longissimus thoracis & lumborum
Origin: arises from crest of wing of ilium via aponeurosis from supraspinous ligament/spines of lumbar & thoracic vertebrae Insertion: inserts on transverse processes of lumbar & thoracic vertebrae
70
Longissimus cervicis
Origin: cranial continuation of longissimus/cervical & thoracic vertebrae Insertion: transverse processes of last cervical vertebrae
71
Longissimus capitis
Origin: extends from T1-3 Insertion: mastoid part of temporal bone
72
Splenius
Origin: cranial border of thoracolumbar fascia, spines of T1-3, median raphe of neck Insertion: nuchal crest, mastoid part of temporal bone
73
Semispinalis capitis
Dorsally: biventer cervicis Ventrally: complexus
74
Scalenus
Attachments: first few ribs, transverse processes of cervial vertebrae
75
Rectus thoracis
Small rectangular sheet of muscle lying across costal cartilages of first 4 ribs Attachments: extends caudally to insert into fascia covering rectus abdominis m.
76
Serratus ventralis
Two parts: Cervicis & thoracis | Attachment: serrated face of scapula
77
Serratus dorsalis
Two parts: cranialis & caudalis Origin: thoracolumbar aponeurosis Insertion: cranialis (craniolateral surface of ribs), caudalis (caudal borders of last 3 ribs)
78
External intercostals
Attachments: fibers run caudoventrally from border of one rib to cranial border of rib behind Action: draw ribs together (respiration)
79
Internal intercostals
Attachments: fibers run cranioventrally from cranial border of one rib to caudal border of rib in front Action: draw ribs together (respiration)
80
Transversus thoracis
Muscle of expiration
81
External abdominal oblique
Attachment: arises from last ribs & thoracolumbar fascia Fibers run caudoventrally Artery:cranial abdominal artery, cranial/caudal epigastric artery, deep circumflex iliac artery
82
Internal abdominal oblique
Attachment: arises from thoracolumbar fascia. Attaches on costal arch aponeurosis, rectus abdominis, prepubic tendon, & linea alba Fibers run cranioventrally Artery: cranial abdominal artery, cranial/caudal epigastric artery, deep circumflex iliac artery
83
Transversus abdominis
Origin: dorsal medial surfaces of last 4-5 ribs, transverse processes of lumbar vertebrae Insertion: linea alba Artery: cranial abdominal artery, deep circumflex iliac artery, caudal epigastric artery
84
Rectus abdominis
Origin: pubis Insertion: sternum Artery: cranial & caudal epigastric arteries
85
Levator ani
Origin: medial edge of shaft of ilium, dorsal surface of pubis, pelvic symphysis Insertion: Cd3-7
86
Coccygeus
Origin: ischiatic spine Insertion: Cd2-4

Comparative Anatomy (9 decks)

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