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anatomy muscles edited list > muscles > Flashcards

muscles Flashcards

1
Q

what is the origion, insertion and action of the muscle?

Adductor longus

A

ORIGIN: Pubis near pubic symphysis,

INSERTION: Linea aspera,

ACTION: Adducts, medially rotates, and flexes thigh

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2
Q

what is the origion, insertion and action of the muscle?

Adductor magnus

A

ORIGIN: Ischial and pubic rami; and ischial tuberosity,

INSERTION: Linea aspera and adductor tubercle of femur,

ACTION: Adducts, medially rotates, and flexes thigh; also synergistic to hamstrings in thigh extension

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3
Q

what is the origion, insertion and action of the muscle?

Biceps Brachii Muscle

A

ORIGIN: Coracoid Process of Scapula, Supraglenoid tubercle of Scapula,

INSERTION: Radial Tuberosity of Radius,

ACTION: Agonist for Flexion of the Elbow and Supinates the forearm

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3
Q

what is the origion, insertion and action of the muscle?

Biceps femoris

A

ORIGIN: Ischil tuberosity, linea aspera, lateral supracondylar line, and distal femur,

INSERTION: Head of fibula and lateral condyle of tibia,

ACTION: Extends thigh and flexes knee

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4
Q

what is the origion, insertion and action of the muscle?

Brachialis

A

ORIGIN: Distal Humerus,

INSERTION: Coronoid Process of Ulna,

ACTION: Flexes the forearm

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4
Q

what is the origion, insertion and action of the muscle?

Brachioradialis

A

ORIGIN: Lateral Supracondylar of Humerus,

INSERTION: Styloid Process of Radius,

ACTION: Synergist for Flexion of the Forearm

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5
Q

what is the origion, insertion and action of the muscle?

Coracobrachialis

A

ORIGIN: Coracoid process of scapula,

INSERTION:_ Medial surface of humerus shaft,

ACTION: Flexion and adduction of humerus

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6
Q

what is the origion, insertion and action of the muscle?

Deltoid Muscles

A

ORIGIN: Lateral third of Clavicle and Acromion and spine of Scapula,

INSERTION: Deltoid tuberosity of Humerus,

ACTION: Abduction of the Shoulder

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7
Q

what is the origin, insertion and action of the muscle?

Diaphragm

A

ORIGIN: Ribs and its Cartilage, Sternum, Vertebrae,

INSERTION:_ Central Tendon,

ACTION: Prime Action in Inspiration

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8
Q

what is the origion, insertion and action of the muscle?

Extensor carpi radialis brevis

A

ORIGIN: Lateral epicondyle of Humerus,

INSERTION: Base of 3rd Metacarpal,

ACTION: Extends and abducts wrist

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9
Q

what is the origion, insertion and action of the muscle?

Extensor carpi radialis longus

A

ORIGIN: Lateral supracondylar ridge of Humerus,

INSERTION: Base of 2nd Metacarpal,

ACTION: Extends wrist; abducts wrist

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11
Q

what is the origion, insertion and action of the muscle?

Extensor digitorum longus

A

ORIGIN: Lateral condyle and upper 3/4 of fibula shaft,

INSERTION: Medial and distal phalanges of toes 2-5,

ACTION: Prime mover of extension

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11
Q

what is the origion, insertion and action of the muscle?

Extensor digitorum

A

ORIGIN: Lateral epicondyle of Humerus,

INSERTION: Distal Phalanges of Fingers 2-5,

ACTION: Prime mover of finger extension

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12
Q

what is the origion, insertion and action of the muscle?

External Intercostal

A

ORIGIN: Inferior Border of Rib Above,

INSERTION: Superior border of Rib Below,

ACTION: Elevates Rib Cage

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13
Q

what is the origion, insertion and action of the muscle?

External Oblique

A

ORIGIN: Lower 8 Ribs,

INSERTION:_ Linea Alba, Pubic crest and tubercle, Iliac crest,

ACTION: Flex Vertebral Column and Compress Abdominal Wall; Helps Trunk Rotation and Lateral Flexion

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14
Q

what is the origion, insertion and action of the muscle?

Fibularis (peroneus) longus

A

ORIGIN: Head and upper portion of lateral fibula,

INSERTION: First metatarsal and medial cuneiform,

ACTION: Plantar flexes and everts foot

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15
Q

what is the origion, insertion and action of the muscle?

Flexor carpi radialis

A

ORIGIN: Medial epicondyle of humerus,

INSERTION: Base of 2nd and 3rd metacarpals,

ACTION: Flexor of wrist; abducts hand

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16
Q

what is the origion, insertion and action of the muscle?

Flexor carpi ulnaris

A

ORIGIN: Medial epicondyle of humerus; olecranon process of ulna,

INSERTION: Pisiform, hamate, and base of 5th metacarpal,

ACTION: Flexor of wrist; adducts hand

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17
Q

what is the origion, insertion and action of the muscle?

Flexor digitorum profundus

A

ORIGIN: Coronoid process and anteromedial surface of ulna,

INSERTION:_ Distal phalanges of fingers 2-5,

ACTION: Flexes distal interphalangeal joints

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18
Q

what is the origion, insertion and action of the muscle?

Flexor digitorum superficialis

A

ORIGIN: Medial epicondyle of humerus; coronoid process of ulna; shaft of radius,

INSERTION: Middle phalanges of fingers 2-5,

ACTION: Flexes wrist and middle phalanges of fingers 2-5

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18
Q

what is the origion, insertion and action of the muscle?

Flexor pollicis longus

A

ORIGIN: Anterior surface of radius,

INSERTION: Distal phalanx of thumb,

ACTION: Flexes distal phalanx of thumb

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19
Q

What is the Origin, Insertion, Action?

Gastrocnemius

A

Origin: medial and lateral condyle of femur

Insertion: Posterior Calcaneus

Action: Plantar flexes foot

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21
Q

what is the origion, insertion and action of the muscle?

Gluteus maximus

A

ORIGIN: Dorsal ilium, sacrum and coccyx,

INSERTION: Gluteal tuberosity of femur; iliotibial tract,

ACTION: Major extensor of thigh

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22
Q

what is the origion, insertion and action of the muscle?

Gluteus medius

A

ORIGIN: Between anterior and posterior gluteal lines on lateral surface of ilium,

INSERTION: Greater trochanter of femur,

ACTION: Abducts and medially rotates thigh

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23
Q

what is the origion, insertion and action of the muscle?

Gracilis

A

ORIGIN: Inferior ramus and body of pubis; and adjacent ischial ramus,

INSERTION: Medial surface of tibia, just inferior to its medial condyle,

ACTION: Adducts, medially rotates, and flexes leg during walking

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24
Q

what is the origion, insertion and action of the muscle?

Iliacus

A

ORIGIN: Iliac fossa, iliac crest, and ala of sacrum,

INSERTION: Lesser trochanter of femur,

ACTION: Prime mover of flexing thigh; helps in flexing trunk on thigh

25
Q

what is the origion, insertion and action of the muscle?

Infraspinatus Muscles

A

ORIGIN: Infraspinatus fossa of scapula,

INSERTION: Greater tubercle of humerus,

ACTION: Rotates humerus laterally

25
Q

what is the origion, insertion and action of the muscle?

Internal Intercostal

A

ORIGIN: Superior border of Rib Below,

INSERTION: Inferior Border of Rib Above,

ACTION: Depresses Rib Cage

27
Q

what is the origion, insertion and action of the muscle?

Latssimus Dorsi Muscles

A

ORIGIN: spine of lwoer 6 thoracic vertebrae, Lower 3-4 Ribs, Iliac crest,

INSERTION: Intertubercular sulcus of Humerus,

ACTION: Agonist for Shoulder extension; arm adductor; medially rotates arm at shoulder

27
Q

what is the origion, insertion and action of the muscle?

Internal Oblique

A

ORIGINL: Lumbar Fascia, iliac crest, Inguinal Ligament,

INSERTION: Linea Alba, Pubic crest, and last 3 or 4 Ribs,

ACTION: Flex Vertebral Column and Compress Abdominal Wall; Helps Trunk Rotation and Lateral Flexion

29
Q

what is the origion, insertion and action of the muscle?

Levator Scapulae

A

ORIGIN: Transverse Processes of C1-C4 Vetebrae,

INSERTION: Medial Border of Scapula and superior to the spine,

ACTION: Elevates and adducts the Scapula

31
Q

what is the origion, insertion and action of the muscle?

Palmaris longus

A

ORIGIN: Medial epicondyle of humerus,

INSERTION: Palmar aponeurosis,

ACTION: Tenses skin and fascia of palm during hand movements; weak wrist flexor

32
Q

what is the origion, insertion and action of the muscle?

Pectoralis Major

A

ORIGIN: Sternal end of Clavicle, Sternum, 1-6 Ribs,

INSERTION: Intertubercular sulcus and greater tubercle of Humerus,

ACTION: Prime mover of arm flexion; rotates arm medially; adducts arm

32
Q

what is the origion, insertion and action of the muscle?

Pectineus

A

ORIGIN: Superior ramus of pubis,

INSERTION: Lesser trochanter and linea aspera,

ACTION: Adducts, medially rotates, and flexes thigh

33
Q

what is the origion, insertion and action of the muscle?

Pectoralis Minor Muscles

A

ORIGIN: 3-5 Ribs,

INSERTION: Coracoid process of Scapula,

ACTION: Ribs Fixed: Moves Scapula Forward and Inferiorly and with Scapula fixed it moves up the rib cage (Accessory Muscle for Respiration)

34
Q

What is the Origin, Insertion, Action?

Popliteus

A

Origin: Lateral condyle of femor and lateral meniscus

Insertin: Posterior surface of proximal tibia

action: Medial rotation of tibia; lateral rotation of femur; flexion of knee

35
Q

what is the origion, insertion and action of the muscle?

Pronator quadratus

A

ORIGIN: Distal portion of anterior ulnar shaft,

INSERTION: Distal surface of anterior radius,

ACTION: Prime mover of forearm pronation

36
Q

what is the origion, insertion and action of the muscle?

Pronator teres

A

ORIGIN: Medial epicondyle of humerus; coronoid process of ulna,

INSERTION: Midshaft lateral radius,

ACTION: Pronates forearm

37
Q

what is the origion, insertion and action of the muscle?

Psoas major

A

ORIGIN: Transverse processes of lumbar and T12 vertebrae,

INSERTION: Lesser trochanter of femur,

ACTION: Prime mover of flexing thigh; helps in flexing laterally vertebral column

39
Q

what is the origion, insertion and action of the muscle?

Rectus Abdominis

A

ORIGIN: Pubic crest and symphysis,

INSERTION: Xiphoid Process, Ribs,

ACTION: Flexes and Rotates Lumbar Vertebral Column, Increase Abdominal Pressure

40
Q

what is the origion, insertion and action of the muscle?

Rectus femoris

A

ORIGIN: Anterior inferior iliac spine and superior margin of acetabulum,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends knee and flexes thigh at hip

41
Q

what is the origion, insertion and action of the muscle?

Rhomboids Major and Minor

A

ORIGIN: Spinous processes of vetebrae (C7 and T1 for minor; T2-T5 for major),

INSERTION: Medial Border of Scapula,

ACTION: Adducts Scapula (squaring shoulders)

42
Q

what is the origion, insertion and action of the muscle?

Sartorius

A

ORIGIN: Anterior superior iliac spine,

INSERTION: Medial aspect of proximal tibia,

ACTION: Flexes, abducts, and laterally rotates thigh; flexes knee; produces the cross-legged position

43
Q

what is the origion, insertion and action of the muscle?

Scalenes: Anterior, Middle, Posterior

A

ORIGIN: Transverse processes of cervical vertebrae,

INSERTION:_ Anterolaterally on ribs 1 and 2,

ACTION: Flex and sligthly rotate neck; elevates first 2 ribs; aid in inspiration

44
Q

what is the origion, insertion and action of the muscle?

Semimembranosus

A

ORIGIN: Ischial tuberosity,

INSERTION: Medial condyle of tibia and lateral condyle of femur,

ACTION: Extends thigh and flexes knee

45
Q

what is the origion, insertion and action of the muscle?

Semitendinosus

A

ORIGIN: Ischial tuberosity,

INSERTION: Medial aspect of upper tibial shaft,

ACTION: Extends thigh and flexes knee

46
Q

what is the origion, insertion and action of the muscle?

Serratus Anterior Muscles

A

ORIGIN: 1-8 Ribs,

INSERTION: Scapula (Anterior Surface of medial border),

ACTION: Rotates scapula so that the inferior angle moves laterally and upward; Fixates, Protracts the Scapula

47
Q

What is the Origin, Insertion, Action?

Soleus

A

Origin: superior tibia and fibula

Insertion: Posterior Calcaneus

Action: Plantar flexes foot

48
Q

what is the origion, insertion and action of the muscle?

Splenius

A

ORIGIN: Spinous process of vertebrae C7-T6,

INSERTION: Mastoid process of temporal bone, occipital bone, and transverse process of cervical vetebrae,

ACTION: Extends or hyperextends the head

49
Q

what is the origion, insertion and action of the muscle?

Sternocleidomastoid

A

ORIGIN: Manubrium of sternum and medial aspect of clavicle,

INSERTION: Mastoid process of temporal bone and superior nuchal line of occipital bone,

ACTION: Simultaneous contraction : flexion forward of the neck; independent contraction: rotate head toward shoulder on opposite side

50
Q

what is the origion, insertion and action of the muscle?

Subscapularis

A

ORIGIN: Subscapula fossa of scapula,

INSERTION: Lesser tubercle of humerus,

ACTION: Chief medial rotator of humerus

51
Q

what is the origion, insertion and action of the muscle?

Supraspinatus Muscles

A

ORIGIN: Supraspinatus fossa of scapula,

INSERTION: Greater tubercle of humerus,

ACTION: Initiate abduction of humerus

52
Q

what is the origion, insertion and action of the muscle?

Tensor fasciae latae

A

ORIGIN: Anterior aspect of iliac crest and anterior superiror iliac spine,

INSERTION: Iliotibial tract,

ACTION: Steadies the knee and trunk on thigh by making iliotibial tract taut; flexes and abducts thigh; rotates thigh medially

53
Q

what is the origion, insertion and action of the muscle?

Teres Major

A

ORIGIN: Posterior surface of scapula at inferior angle,

INSERTION: Lesser tubercle of humerus,

ACTION: Extends, medially rotates, and adducts the humerus; synergistic to latissimus dorsi

54
Q

what is the origion, insertion and action of the muscle?

Teres Minor Muscles

A

ORIGIN: Lateral border of dorsal scapula surface,

INSERTION: Greater tubercle of humerus,

ACTION: Rotates humerus laterally

55
Q

what is the origion, insertion and action of the muscle?

Tibialis anterior

A

ORIGIN: Lateral condyle and upper 2/3 of tibial shaft,

INSERTION: Inferior surface of medial cuneiform and first metatarsal,

ACTION: Prime mover of dorsiflexion

57
Q

What is the Origin, Insertion, Action?

Tibialis Posterior

A

Origin: Superior portion of tibia and fibula; and interosseus membrane
Insertion: Tarsal and metatarsal bones (2-4)

Action: Prime mover of foot inversion; plantar flexion

58
Q

what is the origion, insertion and action of the muscle?

Transversus Abdominis

A

ORIGIN: Last 6 Ribs, Inguinal Ligament, iliac crest, Lumbar Fascia,

INSERTION: Linea Alba, Pubic crest,

ACTION: Compresses Abdominal Content

59
Q

what is the origion, insertion and action of the muscle?

Trapezius Muscles

A

ORIGIN: Occipital Bone, Spinous processes of C7 and all throacic vertebrae,

INSERTION: Acromion and spine of scapula, and lateral third of Clavicle,

ACTION: Extend Head; elevate, retracts and rotates the Scapula

60
Q

what is the origion, insertion and action of the muscle?

Triceps Brachii muscle

A

ORIGIN: Infraglenoid tubercle of Scapula, posterior shaft of Humerus,

INSERTION: Olecranon Process of Ulna,

ACTION: Agonist for Extension of the Forearm

61
Q

what is the origion, insertion and action of the muscle?

Vastus intermedius

A

ORIGIN: Anterior and lateral surfaces of proximal femur shaft,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends knee

62
Q

what is the origion, insertion and action of the muscle?

Vastus lateralis

A

ORIGIN: Greater trochanter, intertrochanteric line, linea aspera,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends and stabilizes knee

63
Q

what is the origion, insertion and action of the muscle?

Vastus medialis

A

ORIGIN: Linea aspera, intertrochanteric and medial supracondylar lines,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends knee

anatomy muscles edited list (1 decks)

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