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

Origins, insertions, actions of Muscles Flashcards

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
TERES MAJOR
ORIGIN: POSTERIOR SURFACE OF SCAPULA INSERTION: LESSER TUBERCLE OF HUMERUS ACTION: ROTATES UPPER ARM MEDIALLY
26
CORACOBRACHIALIS
ORIGIN: CORACOID PROCESS OF THE SCAPULA INSERTION: MIDDLE MEDIAL SURFACE OF THE HUMERUS ACTION: FLEXES AND ADDUCTS UPPER ARM
27
BICEPS BRACHII
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)
28
BRACHIALIS
ORIGIN: LOWER HALF OF THE HUMERUS INSERTION: CORONOID PROCESS OF THE ULNA ACTION: FLEXES THE FOREARM
29
BRACHIORADIALIS
ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS INSERTION: LATERAL SURFACE OF THE RADIUS JUST ABOVE THE STYLOID PROCESS ACTION: FLEXES THE FOREARM
30
TRICEPS BRACHII
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
SUPINATOR
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
PRONATOR TERES
ORIGIN: MEDIAL EPICONDYLE OF THE HUMERUS INSERTION: PROXIMAL LATERAL SURFACE OF THE RADIUS ACTION: ROTATES FOREARM MEDIALLY (PRONATION)
33
PRONATOR QUADRATUS
ORIGIN: DISTAL PART OF THE ULNA INSERTION: DISTAL LATERAL PART OF THE RADIUS ACTION: PRONATES FOREARM
34
FLEXOR CARPI RADIALIS
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
FLEXOR CARPI ULNARIS
ORIGIN: MEDIAL EPICONDYLE OF THE HUMERUS INSERTION: PROXIMAL END OF THE FIFTH METACARPAL ACTION: FLEXES AND ADDUCTS THE HAND
36
FLEXOR DIGITORUM SUPERFICIALIS
ORIGIN: HUMERUS, ULNA, AND RADIUS INSERTION: MIDDLE PHALANGES OF FINGERS 2-5 ACTION:FLEXES MIDDLE PHALANGES OF FINGERS 2-5
37
FLEXOR DIGITORUM PROFUNDUS
ORIGIN: ANTERIOR SURFACE OF THE ULNA INSERTION: ON THE DISTAL PHALANGES OF FINGERS 2-5 ACTION: FLEXES DISTAL PHALANGES OF FINGERS 2-5
38
FLEXOR POLLICIS LONGUS
ORIGIN: RADIUS AND ULNA INSERTION: DISTAL PHALANX OF THE THUMB ACTION: FLEXES THE THUMB
39
EXTENSOR CARPI RADIALIS LONGUS AND BREVIS
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
EXTENSOR CARPI ULNARIS
ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS INSERTION: BASE OF THE 5TH METACARPAL ACTION: EXTENDS FINGERS 2-5
41
EXTENSOR DIGITORUM
ORIGIN: LATERAL EPICONDYLE OF THE HUMERUS INSERTION: POSTERIOR SURFACE OF DISTAL PHALANGES OF FINGERS 2-5 ACTION: EXTENDS FINGERS 2-5
42
EXTENSOR POLLICIS LONGUS
ORIGIN: RADIUS AND ULNA INSERTION: DISTAL PHALANX OF THE THUMB ACTION: EXTENDS THE THUMB
43
ABDUCTOR POLLICIS
ORIGIN: INTEROSSEUS LIGAMENT BETWEEN THE RADIUS AND ULNA INSERTION: LATERAL SURFACE OF THE FIRST METACARPAL ACTION: ABDUCTS THE THUMB
44
GLUTEUS MAXIMUS
ORIGIN: ILIUM, SACRUM, AND COCCYX INSERTION: POSTERIOR SURFACE OF THE FEMUR AND ILIOTIBIAL TRACT ACTION: EXTENDS AND LATERALLY ROTATES THE THIGH
45
ILIOTIBIAL TRACT
A BROAD TENDON EXTENDING FROM THE GLUTEUS MAXIMUS MUSCLE TO THE TIBIA
46
GLUTEUS MEDIUS AND GLUTEUS MINIMUS
ORIGIN: ILIUM INSERTION: GREATER TROCHANTER OF THE FEMUR ACTION: ABDUCT AND MEDIALLY ROTATE THE THIGH
47
PIRIFORMIS
ORIGIN: ANTERIOR SURFACE OF THE SACRUM INSERTION: GREATER TROCHANTER OF THE FEMUR ACTION: ABDUCTS AND LATERLLY ROTATES THE THIGH
48
ADDUCTOR LONGUS AND ADDUCTOR BREVIS
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
ADDUCTOR MAGNUS
ORIGIN: ISCHIUM AND PUBIS INSERTION: POSTERIOR SURFACE AND MEDIAL EPICONDYLE OF THE FEMUR ACTION: ADDUCTS, FLEXES, AND LATERALLY ROTATES THE THIGH
50
WHAT MUSCLES ARE KNOWN AS THE HAMSTRINGS?
BICEPS FEMORIS, SEMIMEMBRANOSUS, SEMITENDINOSUS
51
BICEPS FEMORIS
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
SEMIMEMBRANOSUS
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
SEMITENDINOSUS
ORIGIN: ISCHIAL TUBEROSITY INSERTION: UPPER MEDIAL SURFACE OF THE TIBIA ACTION: FLEX LOWER LEG, EXTEND THIGH, AND ROTATE THE THIGH MEDIALLY
54
WHAT MUSCLES ARE KNOWN AS THE QUADRICEPS FEMORIS?
RECTUS FEMOIS, VASTUS LATERALIS, VASTUS MEDIALIS, VASTUS INTERMEDIUS
55
RECTUS FEMORIS
ORIGIN: ANTERIOR INFERIOR ILIAC SPINE INSERTION: TIBIAL TUBEROSITY ACTION: EXTENDS THE LOWER LEG AND FLEXS THIGH
56
VASTUS LATERALIS
ORIGIN: GREATER TROCHANTER AND POSTERIOR SURFACE OF THE FEMUR INSERTION: TIBIAL TUBEROSITY ACTION: EXTENDS LOWER LEG
57
VASTUS MEDIALIS
ORIGIN: POSTERIOR SURFACE OF THE FEMUR INSERTION: TIBIAL TUBEROSITY ACTION: EXTENDS LOWER LEG
58
VASTUS INTERMEDIUS
ORIGIN: ANTERIOR AND LATERAL SURFACES OF THE FEMUR INSERTION: TIBIAL TUBEROSITY ACTION: EXTENDS LOWER LEG
59
SARTORIUS
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
TENSOR FASCIAE LATAE
ORIGIN: ANTERIOR ILIAC CREST INSERTION: ILIOTIBIAL TRACT ACTION: FLEXS AND ABDUCTS THIGH
61
GRACILIS
ORIGIN: LOWER EDGE OF PUBIS INSERTION: PROXIMAL MEDIAL SURFACE OF THE TIBIA ACTION: ADDUCTS THE THIGH AND FLEXES THE LEG.
62
GASTROCNEMIUS
ORIGIN: LATERAL AND MEDIAL CONDYLES OF THE FEMUR INSERTION: POSTERIOR SURFACE OF THE CALCANEUS ACTION: FLEXES LEG, PLANTAR FLEXES FOOT
63
SOLEUS
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
TIBIALIS ANTERIOR
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
TIBIALIS POSTERIOR
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
FIBULARIS LONGUS (PERONEUS LONGUS)
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
FIBULARIS BREVIS (PERONEUS BREVIS)
ORIGIN: MIDDLE PORTION OF THE FIBULA INSERTION: LATERAL PROXIMAL MARGIN OF THE 5TH METATARSAL ACTION: PLANTAR FLEXES AND EVERTS THE FOOT
68
FIBULARIS TERTIUS (PERONEUS TERTIUS)
ORIGIN: LOWER PORTION OF THE FIBULA INSERTION: MEDIAL PROXIMAL MARGIN OF THE 5TH METATARSAL ACTION: DORSIFLEXES AND EVERTS
69
FLEXOR HALLUCIS LONGUS
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
FLEXOR DIGITORUM LONGUS
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
EXTENSOR DIGITORUM LONGUS
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
EXTENSOR HALLICUS LONGUS
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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