Muscle Tables Flashcards Preview

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Flashcards in Muscle Tables Deck (105)
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1
Q

Flexor pollicis brevis

A

Origin: Trapezium

Insertion: Proximal phalanx of first digit

Action: Flexes thumb

2
Q

Opponens pollicis

A

Origin: Trapezium

Insertion: First metacarpal

Action: Opposes thumb

2
Q

Erector spinae: Iliocostalis, Longissimus, Spinalis

A

Origin: Vertebral column

Insertion: vertebral column

Action: Extends vertebral column

3
Q

Coracobrachialis

A

Origin: Coracoid process of scapula

Insertion: Midmedial shaft of humerus

Action: Flexes

3
Q

Flexor carpi ulnaris

A

Origin: Medial epicondyle of humerus

Insertion: fifth metacarpal

Action: Flexes hand

4
Q

Fibularis longus

A

Origin: shaft of fibula

Insertion: First metatarsal

Action: Everts foot

5
Q

Semispinalis

A

Origin: C7-T12

Insertion: Occipital bone

Action: Extends head

6
Q

Flexor hallucis longus

A

Origin: Midshaft of fibula

Insertion: Distal phalanx of hallux (big toe)

Action: Flexes hallux

7
Q

Trapezius

A

Origin: Posterior occipital bone

Insertion: spine of scapula

Action: Extends head

8
Q

Sternohyoid

A

Origin: Manubrium of sternum

Insertion: Hyoid

Action: Depresses hyoid

8
Q

Buccinator

A

Origin: Maxilla and mandible near molar teeth

Insertion: Orbicularis oris

Action: Compresses cheek

8
Q

Serratus anterior

A

Origin: Ribs 1-8

Insertion: inferior angle of scapula

Action: Abducts scapula

9
Q

Mylohyoid

A

Origin: Inner, inferior margin of mandible

Insertion: Body of hyoid

Action: Elevates hyoid

9
Q

Frontalis

A

Origin: Galea aponeurotica

Insertion: Skin superior to orbit

Action: Raises eyebrows

10
Q

Depressor labii inferioris

A

Origin: Lateral mandible

Insertion: Muscles and skin of lower lip

Action: Depresses lower lip

11
Q

Omohyoid

A

Origin: Superior surface of scapula

Insertion: Hyoid

Action: Depresses hyoid

12
Q

Extensor carpi radialis brevis

A

Origin: Lateral epicondyle of humerus

Insertion: Third metacarpal

Action: Extends hand

14
Q

Biceps brachii

A

Origin: coracoid process of scapula

Insertion: Radial tuberosity

Action: Flexes arm

14
Q

Orbicularis oculi

A

Origin: Frontal and maxilla on medial margin of orbit

Insertion: Skin of eyelid

Action: Closes eyelid

14
Q

Multifidus

A

Origin: sacrum

Insertion: Vertebral column

Action: Extends vertebral column

15
Q

Gluteus minimus

A

Origin: Outer iliac blade

Insertion: Greater trochanter of femur

Action: Abducts thigh

16
Q

Pterygoids (medial, lateral)

A

Origin: Pterygoid processes of sphenoid bone

Insertion: Medial ramus of mandible

Action: Medial gliding of mandible (for chewing)

17
Q

Tensor fascia latae

A

Origin: Iliac crest

Insertion: Iliotibial band of fasciae latae

Action: abducts thigh

18
Q

Extensor pollicis longus and brevis

A

Origin: interosseous membrane

Insertion: Proximal and distal phalanges of pollex (thumb)

Action: Extends thumb

18
Q

Splenius

A

Origin: Ligamentum nuchae

Insertion: occipital bone

Action: Extends head

19
Q

Temporalis

A

Origin: Temporal fossa

Insertion: ramus of mandible

Action: Closes mandible

21
Q

Flexor pollicis longus

A

Origin: interosseous membrane

Insertion: Distal phalanx of pollex (thumb)

Action: Flexes thumb

21
Q

Zygomaticus (major, minor)

A

Origin: Zygomatic bone

Insertion: Muscle and skin at angle of mouth

Action: Elevates corners of mouth (in smiling and laughing)

22
Q

Tibialis anterior

A

Origin: Lateral condyle of tibia

Insertion: First metatarsal

Action: Dorsiflexes

23
Q

Adductor brevis

A

Origin: Pubis

Insertion: Linea aspera at proximal portion of femur

Action: Adducts thigh

23
Q

Vastus medialis

A

Origin: Linea aspera

Insertion: Tibial tuberosity by the patellar tendon

Action: Extends leg

24
Q

Levator scapulae

A

Origin: C1-4

Insertion: Upper vertebral border of scapula

Action: rotates neck

24
Q

Transversus abdominis

A

Origin: iliac crest

Insertion: Linea alba

Action: Compresses abdominal wall

25
Q

Soleus

A

Origin: Posterior, proximal tibia

Insertion: Calcaneus by the calcaneal tendon

Action: Plantar flexes foot

26
Q

Triceps brachii

A

Origin: Infraglenoid tuberosity of scapula

Insertion: Olecranon process of ulna

Action: Extends arm,

27
Q

Rectus femoris

A

Origin: Anterior inferior iliac spine

Insertion: Tibial tuberosity by the patellar tendon

Action: extends leg

27
Q

Internal abdominal oblique

A

Origin: iliac crest

Insertion: Linea alba

Action: Compresses abdominal wall

28
Q

Extensor carpi ulnaris

A

Origin: Lateral epicondyle of humerus

Insertion: Fifth metacarpal

Action: Extends hand

30
Q

Extensor carpi radialis longus

A

Origin: Lateral supracondylar ridge of humerus

Insertion: Second metacarpal

Action: Extends hand

30
Q

Masseter

A

Origin: Zygomatic arch

Insertion: Angle and ramus of mandible

Action: Closes mandible

31
Q

Fibularis tertius

A

Origin: Anterior, distal fibula

Insertion: Dorsum of fifth metatarsal

Action: everts foot

32
Q

Semitendinosus

A

Origin: Ischial tuberosity

Insertion: Proximal, medial tibia

Action: Extends thigh

34
Q

Gracilis

A

Origin: Pubic symphysis

Insertion: Proximal, medial tibia

Action: Adducts thigh

35
Q

Plantaris

A

Origin: Distal femur

Insertion: Calcaneus

Action: Flexes leg

35
Q

External abdominal oblique

A

Origin: Ribs 5-12

Insertion: Linea alba

Action: Compresses abdominal wall

37
Q

Pronator teres

A

Origin: Medial epicondyle of humerus

Insertion: Lateral, middle shaft of radius

Action: Pronates hand

39
Q

Pronator quadratus

A

Origin: Distal part of anterior ulna

Insertion: Distal radius

Action: Pronates hand

40
Q

Biceps femoris

A

Origin: Ischial tuberosity

Insertion: lateral condyle of tibia

Action: Extends thigh

41
Q

Supraspinatus

A

Origin: Supraspinous fossa

Insertion: Greater tubercle of humerus

Action: helps stabilize shoulder joint

42
Q

Popliteus

A

Origin: Lateral condyle of femur

Insertion: Proximal tibia

Action: Flexes leg

43
Q

Sternocleidomastoid

A

Origin: Sternum

Insertion: Mastoid process of temporal

Action: flexes head

45
Q

Deltoid

A

Origin: spine of scapula

Insertion: Deltoid tuberosity of the humerus

Action: medially rotates arm

45
Q

Rectus abdominis

A

Origin: pubic symphysis

Insertion: xiphoid process

Action: compresses abdominal wall

47
Q

Pectoralis major

A

Origin: cartilages of ribs 1-7

Insertion: Crest of greater tubercle of humerus

Action: medially rotates arm

49
Q

Pectineus

A

Origin: Pubis

Insertion: Femur inferior to lesser trochanter

Action: Adducts thigh

50
Q

Supinator

A

Origin: Lateral epicondyle of humerus

Insertion: Proximal radius

Action: Supinates hand

51
Q

Sternothyroid

A

Origin: Manubrium of sternum

Insertion: Thyroid cartilage of larynx

Action: Depresses thyroid cartilage

52
Q

Gluteus medius

A

Origin: Outer iliac blade

Insertion: Greater trochanter of femur

Action: Abducts thigh

54
Q

Opponens digiti minimi

A

Origin: Hamulus of hamate

Insertion: Fifth metacarpal

Action: Opposes fifth digit

55
Q

Scalenes (anterior, middle, posterior)

A

Origin: Transverse process of cervical vertebrae

Insertion: Ribs 1 and 2

Action: rotates neck

57
Q

Flexor digitorum superficialis

A

Origin: Medial epicondyle of humerus

Insertion: Middle phalanges of digits 2-5

Action: flexes hand

58
Q

Risorius

A

Origin: Fascia of masseter

Insertion: Skin at angle of mouth

Action: Abducts corner of mouth (draws edge of mouth lateral)

58
Q

Diaphragm

A

Origin: Xiphoid process

Insertion: Central tendon

Action: expiration (relaxation)

60
Q

Infrapsinatus

A

Origin: Infraspinous fossa

Insertion: Greater tubercle of humerus

Action: stabilizes shoulder joint

60
Q

Semimembranosus

A

Origin: Ischial tuberosity

Insertion: Medial condyle of tibia

Action: Extends thigh

61
Q

Latissimus dorsi

A

Origin: ribs 10-12

Insertion: Intertubercular groove of humerus

Action: medially rotates arm

61
Q

Extensor hallucis longus

A

Origin: Anterior shaft of fibula

Insertion: Distal phalanx of hallux (big toe)

Action: Extends hallux

63
Q

Subscapularis

A

Origin: Subscapular fossa

Insertion: Lesser tubercle of humerus

Action: stabilizes shoulder joint

64
Q

Gastrocnemius

A

Origin: Condyle of femur

Insertion: Calcaneus by the calcaneal tendon

Action: Flexes leg

65
Q

Extensor digitorum

A

Origin: Lateral epicondyle of humerus

Insertion: Middle and distal phalanges of digits 2-5

Action: extends hand

66
Q

Rhomboideus minor

A

Origin: Ligamentum nuchae

Insertion: Vertebral border of scapula at scapular spine

Action: Adducts scapula (draws scapulae together)

67
Q

Adductor longus

A

Origin: Pubic

Insertion: Linea aspera at middle portion of femur

Action: Adducts thigh

68
Q

Digastric

A

Origin: mastoid notch of temporal (posterior belly)

Insertion: Hyoid

Action: Elevates hyoid

70
Q

Flexor digiti minimi brevis

A

Origin: Hamulus of hamate

Insertion: Proximal phalanx of fifth digit

Action: Flexes fifth digit

72
Q

Tibialis posterior

A

Origin: Proximal tibia

Insertion: Second through fourth metatarsals

Action: Plantar flexes

73
Q

Palmaris longus

A

Origin: Medial epicondyle of humerus

Insertion: Palmar aponeurosis

Action: Flexes hand

74
Q

Abductor pollicis brevis

A

Origin: trapezium

Insertion: Proximal phalanx of first digit

Action: Abducts thumb

75
Q

Fibularis brevis

A

Origin: Shaft of fibula

Insertion: Fifth metatarsal

Action: everts foot

76
Q

Internal intercostals

A

Origin: Inferior border of a rib

Insertion: Superior border of rib below

Action: Depresses ribs (decreases volume in thorax)

77
Q

Rhomboideus major

A

Origin: Spines of T2-5

Insertion: Lower one-third of vertebral border of scapula

Action: Adducts scapula (draws scapulae together)

78
Q

Occipitalis

A

Origin: Occipital and temporal bone

Insertion: Galea aponeurotica

Action: Draws scalp posteriorly

79
Q

Abductor digiti minimi

A

Origin: Pisiform

Insertion: Proximal phalanx of fifth digit

Action: Abducts fifth digit

80
Q

Flexor carpi radialis

A

Origin: Medial epicondyle of humerus

Insertion: Second and third metacarpals

Action: Flexes hand

82
Q

Extensor digitorum longus

A

Origin: Lateral condyle of tibia

Insertion: Middle and distal phalanges of second through fifth digits

Action: Extends toes

83
Q

External intercostals

A

Origin: Inferior border of a rib

Insertion: Superior border of rib below

Action: Elevates rib (increases volume in thorax)

84
Q

Quadratus lumborum

A

Origin: Posterior iliac crest

Insertion: rib 12

Action: Extends vertebral column

85
Q

Corrugator supercilii

A

Origin: Medial portion of frontal bone

Insertion: Skin of eyebrows

Action: Adducts eyebrows (pulls them medially)

86
Q

Abductor pollicis longus

A

Origin: interosseous membrane

Insertion: First metacarpal

Action: Abducts thumb

88
Q

Flexor digitorum profundus

A

Origin: interosseous membrane

Insertion: Distal phalanges of digits 2-5

Action: flexes hand

89
Q

Iliopsoas

A

Origin: sacrum

Insertion: Lesser trochanter of femur

Action: Flexes thigh

90
Q

Vastus intermedius

A

Origin: Proximal, anterior femur

Insertion: Tibial tuberosity by the patellar tendon

Action: Extends leg

91
Q

Orbicularis oris

A

Origin: Fascia of facial muscles near mouth

Insertion: Skin of lips

Action: Closes lips

92
Q

Levator labii superioris

A

Origin: zygomatic bones

Insertion: Muscle and skin of lips

Action: Elevates upper lip

93
Q

Pectoralis minor

A

Origin: Ribs 3-5

Insertion: Coracoid process of scapula

Action: raises ribs 3-5

95
Q

Flexor digitorum longus

A

Origin: Posterior tibia

Insertion: Distal phalanges of second through fifth digits

Action: Flexes toes

96
Q

Gluteus maximus

A

Origin: Outer iliac blade

Insertion: Gluteal tuberosity of femur

Action: braces knee

97
Q

Teres major

A

Origin: Inferior angle of scapula

Insertion: Crest of lesser tubercle of humerus

Action: medially rotates arm

98
Q

Vastus lateralis

A

Origin: linea aspera of femur

Insertion: Tibial tuberosity by the patellar tendon

Action: Extends leg

99
Q

Mentalis

A

Origin: Anterior mandible

Insertion: Skin of chin below lower lip

Action: Protrudes lower lip

100
Q

Platysma

A

Origin: Fascia covering pectoralis major and deltoid

Insertion: Mandible

Action: Depresses lower lip

101
Q

Teres minor

A

Origin: Lateral border of scapula

Insertion: Greater tubercle of humerus

Action: stabilizes shoulder joint

102
Q

Sartorius

A

Origin: Anterior superior iliac spine

Insertion: Proximal, medial tibia

Action: Flexes thigh

103
Q

Brachialis

A

Origin: Anterior, distal surface of humerus

Insertion: Coronoid process of ulna

Action: Flexes forearm

104
Q

Adductor magnus

A

Origin: Pubis

Insertion: linea aspera

Action: Adducts thigh

105
Q

Brachioradialis

A

Origin: Lateral supracondylar ridge of humerus

Insertion: Styloid process of radius

Action: Flexes forearm