Origin, Action, Insertion Flashcards by Caroline Bossman

Q

Masseter Origin

A

zygomatic arch

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Q

Masseter Insertion

A

angle and ramus of mandible

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Q

Masseter Action

A

elevates mandible

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Q

Sternocleidomastoid Origin

A

clavicle and manubrium

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Q

Sternocleidomastoid Insertion

A

mastoid process

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Q

Sternocleidomastoid action

A

flex and rotate head

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Q

rhomboid major origin

A

spinous processes of T2-T5

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Q

rhomboid major insertion

A

medial border of scapula

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Q

rhomboid major action

A

adduct/retract scapula

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Q

pectoralis major origin

A

sternal clavicle, sternum, true rib cartilage

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Q

pectoralis major insertion

A

intertubercular sulcus, greater tubercle of humerus

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Q

pectoralis major action

A

flexes, rotates, adducts humerus

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Q

deltoid origin

A

lateral clavicle, acromion process, scapular spine

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Q

deltoid insertion

A

deltoid tuberosity

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Q

deltoid action

A

abducts humerus

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Q

triceps brachii origin

A

lateral scapula, proximal humerus

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Q

triceps brachii insertion

A

olecranon process

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Q

triceps brachii action

A

extends forearm

Q

biceps brachii origin

A

coracoid process of scapula, glenoid cavity

Q

biceps brachii action

A

flexes forearm and arm

Q

iliopsoas origin

A

iliac fossa, crest, lumbar vertebrea

Q

iliopsoas insertion

A

lesser trochanter of femur

Q

iliopsoas action

A

flexes thigh and trunk

Q

sartorius origin

A

anterior superior iliac spine

Q

sartorius insertion

A

medial proximal tibia

Q

sartorius action

A

flexes , abducts, rotates thigh

Q

gracilis origin

A

inferior pubic bone, ischial ramus

Q

gracilis insertion

A

medial surface of proximal surface

Q

gracilis action

A

adducts thigh

Q

rectus femoris origin

A

anterior inferior iliac spine

Q

rectus femoris insertion

A

patella, tibial tuberosity

Q

rectus femoris action

A

extends knee, flexes thigh at hip

Q

gluteus maximus origin

A

ilium, sacrum, coccyx

Q

gluteus maximus insertion

A

gluteal tuberosity

Q

gluteus maximus action

A

extends thigh

Q

biceps femoris origin

A

ischial tuberosity, femur

Q

biceps femoris insertion

A

lateral condyle of tibia, head of fibula

Q

biceps femoris action

A

extends thigh, flexes knee

Q

tibialis anterior origin

A

lateral condyle of tibia,

Q

tibialis anterior insertion

A

tarsal bones

Q

tibialis anterior action

A

dorsiflexes foot

Q

gastrocnemius origin

A

femoral condyles

Q

gastrocnemius insertion

A

calcaneus

Q

gastrocnemius action

A

plantarflexes foot