Origin Insertion Action Flashcards

1
Q

Zygomatic arch
Mandible
Elevates mandible

A

Masseter

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2
Q

Sternum/Clavicle
Mastoid process of temporal bone
Rotates head

A

Sternocleidomastoid

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3
Q

Sternum, Clavicle
Greater tubercle of humerus
Rotates, adducts arm

A

Pectoralis major

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4
Q

Ribs 3 - 5
Coracoid process of scapula
Protracts scapula; elevates ribs

A

Pectoralis minor

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5
Q

Pubis
Xyphoid process, costal cartilages
Flexes trunk, compresses abdomen

A

Rectus abdominis

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6
Q

Lower ribs
Iliac crest, linea alba
Flexes, rotates trunk

A

External oblique

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7
Q

Iliac crest
Lower ribs, linea alba
Flexes, rotates trunk

A

Internal oblique

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8
Q

Xiphoid process, lower ribs, lumbar vertebrae
Central tendon
Inflates lungs

A

Diaphragm

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9
Q

Ribs
Ribs adjacent, but inferior
Raise ribcage, inflate lungs

A

External intercostals

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10
Q

Ribs
Ribs adjacent, but superior
Deflate lungs

A

Internal intercostals

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11
Q

Superior ribs
Medial border of scapula
Abducts scapula

A

Serratus anterior

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12
Q

Superior nuchal line of occ. bone, cervical and thoracic vertebrae
Acromion and spine of scapula
Moves scapula

A

Trapezius

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13
Q

Lower vertebrae spinous processes, sacral spine, iliac crest
Intertubercular sulcus of humerus
Adducts, rotates arms

A

Latissmus dorsi

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14
Q

Lateral clavicle, acromion and spine of scapula
Deltoid tuberosity of humerus
Abducts, rotates arm

A

Deltoid

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15
Q

Upper rim of glenoid fossa, coracoid process of scapula
Radial tuberosity of radius
Flexes arm at elbow

A

Biceps brachii

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16
Q

Lower rim of glenoid fossa, lateral and posterior surface of humerus
Olecranon process
Extends arm at elbow

A

Triceps brachii

17
Q

Median sacral crest, iliac crest, coccyx
Gluteal tuberosity, fascia lata
Extends, abducts leg at hip

A

Gluteus maximus

18
Q

Anterior, inferior iliac spine; Greater trochanter of femur; linea aspera of femur; front of femur
Tibial tuberosity
Extends leg at knee

A

Rectus femoris; Vastus Lateralis; Vastus Medialis; Vastus Intermedius; An

19
Q

Anterior, superior iliac spine; Ischeal tuberosity (next three)
Medial surface of tibia; head of fibula, head of tibia; medial condyle of tibia; medial surface of tibia;
Flexes leg at knee

A

Sartorius; Biceps femoris; semimembranosus; semitendinosus

20
Q

Condyles of femur
Calcaneus
Plantarflexes foot

A

Gastrocnemius

21
Q

Body of tibia
First metatarsal, medial cuneiform
Dorsiflexes foot

A

Tibialis anterior