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ULM bio lab 1016 > Origins, insertions, actions of Muscles > Flashcards

Origins, insertions, actions of Muscles Flashcards

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1
Q

O, I, A OF ORBICULARIS ORIS

A

ORIGIN: SEVERAL FACIAL MUSCLES, MANDIBLE, MAXILLA

iNSERTION: LIPS

ACTION: CLOSES AND PUCKERS LIPS

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2
Q

ORBICULARIS ORIS O,I,A

A

ORIGIN: FRONTAL AND MAXILLA BONES

INSERTION: EYELIDS

ACTION: CLOSES EYELIDS

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3
Q

FRONTALIS O,I,A

A

ORIGIN: APONEUROSIS(EPICRANIAL)

INSERTION: SOFT TISSUE UNDER THE EYEBROWS

ACTION: ELEVATES EYEBROWS AND WRINKLES FOREHEAD

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4
Q

OCCIPITALIS O,I,A

A

ORIGIN: MASTOID PROCESS AND OCCIPITAL BONE

INSERTION: APONEUROSIS (EPICRANIAL)

ACTION: PULLS SCALP BACKWARD

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5
Q

O, I, A OF ZYGOMATICUS

A

ORIGIN: ZYGOMATIC ARCH

INSERTION: ORBICULARIS ORIS AT CORNER OF MOUTH

ACTION: ELEVATES AND ABDUCTS THE UPPER LIP AS IN SMILING AND LAUGHING

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6
Q

O, I , A OF TRIANGULARIS

A

ORIGIN: MANDIBLE
INSERTION: ORBICULARIS ORIS AT CORNER OF MOUTH

ACTION: DEPRESSES MOUTH

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7
Q

PLATYSMA O, I, A

A

ORIGIN: FASCIA OF UPPER CHEST AND SHOULDER

INSERTION: MANDIBLE AND MUSCLES AROUND THE MOUTH

ACTION: DEPRESSES THE LOWER LIP AND ASSISTS IN OPENING THE MOUTH

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8
Q

BUCCINATOR OIA

A

ORIGIN: MANDIBLE AND MAXILLA
INSERTION: ORBICULARIS ORIS AT CORNER OF MOUTH
ACTION: COMPRESSES THE CHEEK, HOLDS FOOD BETWEEN TEETH DURING CHEWING, AND INTERACTS WITH OTHER MUSCLES IN FACIAL EXPRESSIONS

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9
Q

MASSETER OIA

A

ORIGIN: ZYGOMATIC ARCH

INSERTION: LATERAL SURFACE OF RAMUS AND ANGLE OF MANDIBLE

ACTION: ELEVATES THE MANDIBLE

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10
Q

TEMPORALIS OIA

A

ORIGIN: TEMPORAL, PARIETAL, AND FRONTAL BONES

INSERTION: CORONOID PROCESS OF MANDIBLE

ACTION: ACTS SYNERGISTICALLY WITH THE MASSETER TO ELEVATE MANDIBLE

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11
Q

STERNOCLEIDOMASTOID OIA

A

ORIGIN: STERNUM AND MEDIAL END OF CLAVICLE

INSERTION: MASTOID PROCESS

ACTION: CONTRACTION OF BOTH MUSCLES FLEXES THE HEAD DOWN TOWARD THE CHEST. CONTRACTION OF ONE MUSCLE ONLY LATERALLY ROTATES HEAD AWAY FROM THE SIDE OF THE CONTRACTING MUSCLE

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12
Q

PECTORALIS MAJOR OIA

A

ORIGIN: CLAVICLE, STERNUM, COSTAL CARTILAGES, AND APONEUROSIS OF EXTERNAL OBLIQUE

INSERTION: ALONG GROOVE BETWEEN GREATER AND LESSER TUBERCLES OF HUMERUS

ACTION: ADDUCTION AND MEDIAL ROTATION OF UPPER ARM

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13
Q

DELTOID OIA

A

ORIGIN: ACROMION AND SPINE OF SCAPULA

INSERTION: DELTOID TUBEROSITY OF HUMERUS

ACTION: FLEXION, ABDUCTION, AND EXTENSION OF UPPER ARM

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14
Q

SERRATUS ANTERIOR OIA

A

ORIGIN: UPPER EIGHT OR NINE RIBS
INSERTION: MEDIAL BORDER OF THE SCAPULA

ACTION: PULLS SCAPULA DOWNWARD AND FORWARD TOWARD THE CHEST

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15
Q

EXTERNAL INTERCOSTALS

A

ORIGIN: LOWER BORDER OF THE UPPER RIB
INSERTION: UPPER EDGE OF THE LOWER RIB

ACTION: ELEVATE RIB CAGE AND INCREASE VOLUME OF THE THORAX, RESULTING IN INSPIRATION OF AIR IN BREATHING

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16
Q

INTERNAL INTERCOSTALS

A

ORIGIN: UPPER BORDER OF THE LOWER RIB

INSERTION: LOWER EDGE OF UPPER RIB

ACTION: DEPRESS RIB CAGE AND DRAW RIBS CLOSER TOGETHER. DECREASES VOLUME OF THORAX, CAUSING EXPIRATION OF AIR IN BREATHING

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17
Q

EXTERNAL OBLIQUE

A

ORIGIN: SUPERFICIAL MUSCLE ON LOWER EIGHT RIBS

INSERTION: ILIAC CREST AND LINEA ALBA

ACTION: COMPRESS THE ABDOMINAL ORGANS, AND MAINTAIN OR INCREASE INTRAABDOMINAL PRESSURE, AIDING IN URINATION, DEFECATION, AND CHILDBIRTH. ANTAGONISTS TO DIAPHRAGM AND AID IN FORCING AIR FROM THE LUNGS

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18
Q

INTERNAL OBLIQUE

A

ORIGIN: ILIAC CREST AND INGUINAL LIGAMENT

INSERTION: COSTAL CARTILAGES OF LOWER 3 RIBS

ACTION: COMPRESS THE ABDOMINAL ORGANS, AND MAINTAIN OR INCREASE INTRAABDOMINAL PRESSURE, AIDING IN URINATION, DEFECATION, AND CHILDBIRTH. ANTAGONISTS TO DIAPHRAGM AND AID IN FORCING AIR FROM THE LUNGS

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19
Q

TRANSVERSUS ABDOMINIS

A

ORIGIN: INGUINAL LIGAMENT, ILIAC CREST, AND COSTAL CARTILAGES OF LOWER SIX RIBS

INSERTION: LINEA ALBA AND PUBIC CREST

ACTION: COMPRESS THE ABDOMINAL ORGANS, AND MAINTAIN OR INCREASE INTRAABDOMINAL PRESSURE, AIDING IN URINATION, DEFECATION, AND CHILDBIRTH. ANTAGONISTS TO DIAPHRAGM AND AID IN FORCING AIR FROM THE LUNGS

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20
Q

RECTUS ABDOMINIS

A

ORIGIN: PUBIC BONE

INSERTION: XIPHOID PROCESS AND CARTILAGES OF THE FIFTH, SIXTH, AND SEVENTH RIBS

ACTION: AIDS IN FLEXION OF TRUNK IN LUMBAR REGION;;;;COMPRESS THE ABDOMINAL ORGANS, AND MAINTAIN OR INCREASE INTRAABDOMINAL PRESSURE, AIDING IN URINATION, DEFECATION, AND CHILDBIRTH. ANTAGONISTS TO DIAPHRAGM AND AID IN FORCING AIR FROM THE LUNGS

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21
Q

TRAPEZIUS

A

ORIGIN: OCCIPITAL BONE AND SPINOUS PROCESS OF CERVICAL AND THORACIC VERTEBRAE

INSERTION: SPINE AND ACROMION PROCESS OF SCAPULA AND ON LATERAL THIRD OF CLAVICLE

ACTION: ADDUCTS AND ELEVATES SCAPULA; PULLS HEAD BACKWARD (HYPEREXTENSION) IF SCAPULAE ARE FIXED

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22
Q

LATISSIMUS DORSI

A

ORIGIN: LARGE APONEUROSIS ATTACHED TO THORACIC AND LUMBAR VERTEBRAE

INSERTION: GROOVE BETWEEN THE GREATER AND LESSER TUBERCLES OF THE HUMERUS

ACTION: EXTENDS, ADDUCTS, AND ROTATES ARM MEDIALLY; PULLS SHOULDER DOWNWARD AND BACKWARD

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23
Q

INFRASPINATUS

A

ORIGIN: INFERIOR MARGIN OF SPINE AND POSTERIOR SURFACE OF SCAPULA

INSERTION: GREATER TUBERCLE OF HUMERUS

ACTION: ROTATES UPPER ARM LATERALLY

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24
Q

SUPRASPINATUS

A

ORIGIN: FOSSA SUPERIOR TO THE SCAPULAR SPINE

INSERTS: GREATER TUBERCLE OF HUMERUS

ACTION: ASSISTS DELTOID IN ABDUCTING UPPER ARM

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25
Q

TERES MAJOR

A

ORIGIN: POSTERIOR SURFACE OF SCAPULA

INSERTION: LESSER TUBERCLE OF HUMERUS

ACTION: ROTATES UPPER ARM MEDIALLY

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26
Q

CORACOBRACHIALIS

A

ORIGIN: CORACOID PROCESS OF THE SCAPULA

INSERTION: MIDDLE MEDIAL SURFACE OF THE HUMERUS

ACTION: FLEXES AND ADDUCTS UPPER ARM

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27
Q

BICEPS BRACHII

A

ORIGIN: 2 PLACES ON THE SCAPULA= CORACOID PROCESS AND THE TUBERCLE SUPERIOR TO THE GLENOID CAVITY

INSERTION: RADIAL TUBEROSITY

ACTION: FLEXES FOREARM; ROTATES FOREARM LATERALLY (SUPINATION)

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28
Q

BRACHIALIS

A

ORIGIN: LOWER HALF OF THE HUMERUS

INSERTION: CORONOID PROCESS OF THE ULNA

ACTION: FLEXES THE FOREARM

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29
Q

BRACHIORADIALIS

A

ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS

INSERTION: LATERAL SURFACE OF THE RADIUS JUST ABOVE THE STYLOID PROCESS

ACTION: FLEXES THE FOREARM

30
Q

TRICEPS BRACHII

A

ORIGIN: 3 SITES= THE TUBERCLE BELOW THE GLENOID CAVITY, AND THE POSTERIOR AND MEDIAL SURFACES OF THE HUMERUS.

INSERTION: OLECRANON PROCESS OF THE ULNA

ACTION: EXTENDS THE FOREARM

31
Q

SUPINATOR

A

ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS AND THE PROXIMAL CREST OF THE ULNA.

INSERTION: LATERAL MARGIN OF THE RADIAL TUBEROSITY

ACTION: ROTATES FOREARM LATERALLY (SUPINATION)

32
Q

PRONATOR TERES

A

ORIGIN: MEDIAL EPICONDYLE OF THE HUMERUS

INSERTION: PROXIMAL LATERAL SURFACE OF THE RADIUS

ACTION: ROTATES FOREARM MEDIALLY (PRONATION)

33
Q

PRONATOR QUADRATUS

A

ORIGIN: DISTAL PART OF THE ULNA

INSERTION: DISTAL LATERAL PART OF THE RADIUS

ACTION: PRONATES FOREARM

34
Q

FLEXOR CARPI RADIALIS

A

ORIGIN: FROM THE MEDIAL EPICONDYLE OF THE HUMERUS AND EXTENDS DIAGONALLY ACROSS THE ARM WHERE ITS TENDON DIVIDES TO INSERT

INSERTION: PROXIMAL ENDS OF THE SECOND AND THIRD METACARPALS

ACTION: FLEXES AND ABDUCTS THE HAND

35
Q

FLEXOR CARPI ULNARIS

A

ORIGIN: MEDIAL EPICONDYLE OF THE HUMERUS

INSERTION: PROXIMAL END OF THE FIFTH METACARPAL

ACTION: FLEXES AND ADDUCTS THE HAND

36
Q

FLEXOR DIGITORUM SUPERFICIALIS

A

ORIGIN: HUMERUS, ULNA, AND RADIUS

INSERTION: MIDDLE PHALANGES OF FINGERS 2-5

ACTION:FLEXES MIDDLE PHALANGES OF FINGERS 2-5

37
Q

FLEXOR DIGITORUM PROFUNDUS

A

ORIGIN: ANTERIOR SURFACE OF THE ULNA

INSERTION: ON THE DISTAL PHALANGES OF FINGERS 2-5

ACTION: FLEXES DISTAL PHALANGES OF FINGERS 2-5

38
Q

FLEXOR POLLICIS LONGUS

A

ORIGIN: RADIUS AND ULNA

INSERTION: DISTAL PHALANX OF THE THUMB

ACTION: FLEXES THE THUMB

39
Q

EXTENSOR CARPI RADIALIS LONGUS AND BREVIS

A

BOTH ORIGINATE: LATERAL EPICONDYLE OF THE HUMERUS

INSERTION: LONGUS= PROXIMAL END OF THE SECOND METACARPAL. BREVIS= PROXIMAL END OF THE THIRD METACARPAL.

ACTION: BOTH MUSCLES EXTEND AND ABDUCT THE HAND

40
Q

EXTENSOR CARPI ULNARIS

A

ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS

INSERTION: BASE OF THE 5TH METACARPAL

ACTION: EXTENDS FINGERS 2-5

41
Q

EXTENSOR DIGITORUM

A

ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS

INSERTION: POSTERIOR SURFACE OF DISTAL PHALANGES OF FINGERS 2-5

ACTION: EXTENDS FINGERS 2-5

42
Q

EXTENSOR POLLICIS LONGUS

A

ORIGIN: RADIUS AND ULNA

INSERTION: DISTAL PHALANX OF THE THUMB

ACTION: EXTENDS THE THUMB

43
Q

ABDUCTOR POLLICIS

A

ORIGIN: INTEROSSEUS LIGAMENT BETWEEN THE RADIUS AND ULNA

INSERTION: LATERAL SURFACE OF THE FIRST METACARPAL

ACTION: ABDUCTS THE THUMB

44
Q

GLUTEUS MAXIMUS

A

ORIGIN: ILIUM, SACRUM, AND COCCYX

INSERTION: POSTERIOR SURFACE OF THE FEMUR AND ILIOTIBIAL TRACT

ACTION: EXTENDS AND LATERALLY ROTATES THE THIGH

45
Q

ILIOTIBIAL TRACT

A

A BROAD TENDON EXTENDING FROM THE GLUTEUS MAXIMUS MUSCLE TO THE TIBIA

46
Q

GLUTEUS MEDIUS AND GLUTEUS MINIMUS

A

ORIGIN: ILIUM

INSERTION: GREATER TROCHANTER OF THE FEMUR

ACTION: ABDUCT AND MEDIALLY ROTATE THE THIGH

47
Q

PIRIFORMIS

A

ORIGIN: ANTERIOR SURFACE OF THE SACRUM

INSERTION: GREATER TROCHANTER OF THE FEMUR

ACTION: ABDUCTS AND LATERLLY ROTATES THE THIGH

48
Q

ADDUCTOR LONGUS AND ADDUCTOR BREVIS

A

BOTH ORIGINATE: THE PUBIS

BOTH INSERT: POSTERIOR SURFACE OF THE FEMUR. THE ADDUCTOR BREVIS IS SHORTER AND INSERTS SUPERIOR TO THE ADDUCTOR LONGUS

ACTION: ADDUCT, FLEX, AND LATERALLY ROTATE THE THIGH.

49
Q

ADDUCTOR MAGNUS

A

ORIGIN: ISCHIUM AND PUBIS

INSERTION: POSTERIOR SURFACE AND MEDIAL EPICONDYLE OF THE FEMUR

ACTION: ADDUCTS, FLEXES, AND LATERALLY ROTATES THE THIGH

50
Q

WHAT MUSCLES ARE KNOWN AS THE HAMSTRINGS?

A

BICEPS FEMORIS, SEMIMEMBRANOSUS, SEMITENDINOSUS

51
Q

BICEPS FEMORIS

A

ORIGIN: ISCHIAL TUBEROSITY AND THE POSTERIOR SURFACE OF THE FEMUR

INSERTION: HEAD OF THE FIBULA AND LATERAL EPICONDYLE OF THE TIBIA

ACTION: FLEX LOWER LEG, EXTEND THIGH, LATERALLY ROTATES THIGH

52
Q

SEMIMEMBRANOSUS

A

ORIGIN: ISCHIAL TUBEROSITY

INSERTION: POSTERIOR SURFACE OF THE MEDIAL EPICONDYLE OF THE TIBIA

ACTION: FLEX LOWER LEG, EXTEND THIGH, AND ROTATE THE THIGH MEDIALLY

53
Q

SEMITENDINOSUS

A

ORIGIN: ISCHIAL TUBEROSITY

INSERTION: UPPER MEDIAL SURFACE OF THE TIBIA

ACTION: FLEX LOWER LEG, EXTEND THIGH, AND ROTATE THE THIGH MEDIALLY

54
Q

WHAT MUSCLES ARE KNOWN AS THE QUADRICEPS FEMORIS?

A

RECTUS FEMOIS, VASTUS LATERALIS, VASTUS MEDIALIS, VASTUS INTERMEDIUS

55
Q

RECTUS FEMORIS

A

ORIGIN: ANTERIOR INFERIOR ILIAC SPINE

INSERTION: TIBIAL TUBEROSITY

ACTION: EXTENDS THE LOWER LEG AND FLEXS THIGH

56
Q

VASTUS LATERALIS

A

ORIGIN: GREATER TROCHANTER AND POSTERIOR SURFACE OF THE FEMUR

INSERTION: TIBIAL TUBEROSITY

ACTION: EXTENDS LOWER LEG

57
Q

VASTUS MEDIALIS

A

ORIGIN: POSTERIOR SURFACE OF THE FEMUR

INSERTION: TIBIAL TUBEROSITY

ACTION: EXTENDS LOWER LEG

58
Q

VASTUS INTERMEDIUS

A

ORIGIN: ANTERIOR AND LATERAL SURFACES OF THE FEMUR

INSERTION: TIBIAL TUBEROSITY

ACTION: EXTENDS LOWER LEG

59
Q

SARTORIUS

A

ORIGIN: ANTERIOR SUPERIOR SPINE OF THE ILIUM

INSERTION: PROXIMAL MEDIAL SURFACE OF THE TIBIA

ACTION: FLEXES LOWER LEG AND THIGH, ROTATES THE THIGH LATERALLY AND THE LEG MEDIALLY

60
Q

TENSOR FASCIAE LATAE

A

ORIGIN: ANTERIOR ILIAC CREST

INSERTION: ILIOTIBIAL TRACT

ACTION: FLEXS AND ABDUCTS THIGH

61
Q

GRACILIS

A

ORIGIN: LOWER EDGE OF PUBIS

INSERTION: PROXIMAL MEDIAL SURFACE OF THE TIBIA

ACTION: ADDUCTS THE THIGH AND FLEXES THE LEG.

62
Q

GASTROCNEMIUS

A

ORIGIN: LATERAL AND MEDIAL CONDYLES OF THE FEMUR

INSERTION: POSTERIOR SURFACE OF THE CALCANEUS

ACTION: FLEXES LEG, PLANTAR FLEXES FOOT

63
Q

SOLEUS

A

ORIGIN: THE HEAD OF THE POSTERIOR SURFACE OF THE FIBULA AND SHAFT OF THE TIBIA

INSERTION: THE CALCANEUS ( ITS TENDON UNITES WITH THE TENDON THE GASTROCNEMIUS TO FORM THE ACHILLES TENDON)

ACTION: PLANTAR FLEXES THE FOOT

64
Q

TIBIALIS ANTERIOR

A

ORIGIN: ANTERIOR SURFACE OF THE LATERAL CONDYLE AND UPPER 2/3 OF THE TIBIA

INSERTION: INFERIOR SURFACE OF A TARSAL BONE AND THE FIRST METATARSAL ( IT CROSSES OVER AT THE ANKLE TO INSERT)

ACTION: PRODUCES DORSIFLEXION AND INVERSION OF THE FOOT

65
Q

TIBIALIS POSTERIOR

A

ORIGIN: POSTERIOR SURFACES OF THE TIBIA AND FIBULA

INSERTION: INFERIOR SURFACES OF SEVERAL TARSAL BONES AND METATARSAL BONES 2-4

ACTION: PLANTAR FLEXES AND INVERTS THE FOOT

66
Q

FIBULARIS LONGUS (PERONEUS LONGUS)

A

ORIGIN: THE HEAD AND PROXIMAL PORTION OF THE FIBULA

INSERTION: FIRST METATARSAL AND A TARSAL BONE (THE TENDON PASSES UNDER THE ARCH OF THE FOOT TO INSERT)

ACTION: PLANTAR FLEXES AND EVERTS THE FOOT, SUPPORTS TRANSVERSE ARCH.

67
Q

FIBULARIS BREVIS (PERONEUS BREVIS)

A

ORIGIN: MIDDLE PORTION OF THE FIBULA

INSERTION: LATERAL PROXIMAL MARGIN OF THE 5TH METATARSAL

ACTION: PLANTAR FLEXES AND EVERTS THE FOOT

68
Q

FIBULARIS TERTIUS (PERONEUS TERTIUS)

A

ORIGIN: LOWER PORTION OF THE FIBULA

INSERTION: MEDIAL PROXIMAL MARGIN OF THE 5TH METATARSAL

ACTION: DORSIFLEXES AND EVERTS

69
Q

FLEXOR HALLUCIS LONGUS

A

ORGIN: LOWER 2/3 OF THE FIBULA

INSERTION: DISTAL PHALANX OF THE GREAT TOE (TENDON RUNS DIAGONALLY UNDER THE FOOT TO INSERT)

ACTION: FLEXES THE GREAT TOE, AIDS IN PLANTAR FLEXION OF THE FOOT

70
Q

FLEXOR DIGITORUM LONGUS

A

ORIGIN: LOWER 2/3 OF THE MEDIAL POSTERIOR SURFACE OF THE TIBIA

INSERTION: DISTAL PHALANGES OF THE TOES 2-5 ( TENDON PASSES ALONG THE BOTTOM OF THE FOOT AND DIVIDES TO INSERT)

ACTION: FLEXES TOES 2-5, AIDS IN PLANTAR FLEXION OF THE FOOT

71
Q

EXTENSOR DIGITORUM LONGUS

A

ORIGIN: LATERAL CONDYLE OF THE TIBIA AND THE ANTERIOR SURFACE OF THE FIBULA

INSERTION: UPPER SURFACES OF THE SECOND AND THIRD PHALANGES OF TOES 2-5

ACTION: EXTENDS TOES 2-5, AIDS IN DORSIFLEXION OF THE FOOT

(IT LIES LATERAL AND POSTERIOR TO THE TIBIALIS ANTERIOR)

72
Q

EXTENSOR HALLICUS LONGUS

A

ORIGIN: ANTERIOR SURFACE OF THE FIBULA

INSERTION: UPPER SURFACE OF THE DISTAL PHALANX OF THE GREAT TOE

ACTION: EXTENDS THE GREAT TOE, AIDS IN DORSIFLEXION OF THE FOOT.

ULM bio lab 1016 (4 decks)

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