Muscles Flashcards Preview

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Flashcards in Muscles Deck (44):
1

What does origin and insertion mean?

• origin: immovable bone

•insertion: movable bone

2

Function, origin, insertion of FRONTALIS (surprise)

Function
• raises eyebrows (elevation)

Origin
• cranial and aponeurosis

Insertion:
• skin of eyebrow

3

Function origin and insertion of ORBICULARIS OCULI (blinking)

Function
• opens and closes eyes

Origin
• frontal and maxilla

Insertion
• tissue around eye

4

Function origin and insertion of ZYGOMATICUS (smiling)

Function
• Raises corners of her mouth

Origin
• zygomatic

Insertion
• skin and muscle at corners of cheeks

5

Function origin and insertion of MASSETER (chewing)

Function
• closes jaw

Origin
• temporal

Insertion
• mandible

6

Function origin and insertion of TEMPORALIS (chewing)

Function
• closes jaw

Origin
• Temporal

Insertion
• mandible

7

Function origin and insertion of STERNOCLEIDOMASTOID (praying)

Function
•Flexion at the neck

origin
• sternum and clavicle

insertion
• mastoid process (temporal)

8

Function origin and insertion of BUCCINATOR(whistling)

Function
• compresses cheeks and holds food

origin
• mandible and maxilla

insertion
• Orbicularis oris

9

Function origin and insertion of PLATISMA (frowning)

Function
• post corners of mouth inferior

origin
• connective tissue at superior chest

insertion
• tissue around mouth

10

Function origin and insertion of ORBICULARIS ORIS

Function
• closes and protrudes lips

Origin
• mandible and maxilla

Insertion
• skin and muscle around mouth

11

Function origin and insertion of DELTOID

Function
• abducts humerus

Origin
• scapular spine and clavicle

Insertion
• humerus

12

Function origin and insertion of PECTORALIS MAJOR

Function
• abducts and flexes humerus

Origin
•sternum clavicle and 1st and 6th ribs

Insertion
• proximal humerus

13

Function origin and insertion of BICEPS BRACHII

Function
• flexes elbow and supinates forearm

Origin
• scapula

Insertion
• radius

14

Function origin and insertion of BRACHIALIS

Function
• flexes elbow and supinates forearm

Origin
• distal humerus

Insertion
• ulna

15

Function origin and insertion of TRICEPS BRACHII

function
• extends elbow

Origin
• shoulder girdle

Insertion
• olecrenon process of ulna

16

Function origin and insertion of TRAPEZIUS

Function
• adducts scapulas and extends neck

Origin
• occipital cervical vertebrae thoracic vertebrae

Insertion
•scapula and clavicle

17

Function origin and insertion of RECTUS ABDOMINUS

Function
• flexes vertebral column

Origin
•pubis

Insertion
•sternum, 5th-7th ribs

18

Function origin and insertion of EXTERNAL OBLIQUE

Function
• flexes and rotates vertebral column

Origin
• lower 8 ribs

Insertion
• iliac crest

19

Function origin and insertion of LATISSIMUS DORSI

Function
• addicted and extends humerus

Origin
•lower spine and iliac crest

Insertion
• proximal humerus

20

Function origin and insertion of ILIOPSOAS

Function
• flexes hip

Origin
• ilium and lumbar vertebrae

Insertion
• femur

21

Function origin and insertion of SARTORIUS

Function
• flexes thigh at hip

Origin
• ilium

Insertion
•proximal tibia

22

Function origin and insertion of RECTUS FEMORIS

Function
•extends at the knee and flexes thigh at hip

Origin
•pelvis

Insertion
• tibial tuberosity

23

Function origin and insertion of VASTUS LATERALIS/ MEDIALIS

Function
• extends at knee

Origin
• femur

Insertion
•tibial tuberosity

24

Function origin and insertion of ADDUCTORS

Function
•addicted thigh toward each other

Origin
•pelvis

Insertion
•femur

25

Function origin and insertion of
GLUTEUS MAXIMUS

Function
• extends at hip

Origin
• sacrum and ilium

Insertion
• femur

26

Function origin and insertion of GLUTEUS MINIMUS

Function
• abducts the thigh

Origin
• ilium

Insertion
• femur

27

Function origin and insertion of BICEPS FEMORIS

Function
• flexes at the knee

Origin
• ischium

Insertion
•head of fibula

28

Function origin and insertion of SEMITENDINOSIS/ SEMIMEMBRANOSUS

Function
• flexes at the knee and extends at hip

Origin
• ischium and tuberosity

Insertion
• tibia

29

Function origin and insertion of
GASTROCNEMIUS

Function
• plantar flexion

Origin
• distal femur

Insertion
• calcaneus

30

Function origin and insertion of SOLEUS

Function
•plantar flexion

Origin
• proximal tibia and fibula

Insertion
• calcaneus

31

Function origin and insertion of TIBIALIS ANTERIOR

Function
• dorsiflexion and

Origin
• proximal tibia

Insertion
• tarsal 1 and metatarsal 2

32

Function origin and insertion of FIBULARIS LONGUS

Function
• plantar flexion and everts foot

Origin
• fibula

Insertion
• metatarsals

33

Flexion

Decrease angle

34

Extension

Increase angle

35

Rotation

Movement of bone around it's longitudinal axis

example: shaking your head no

36

Abduction

Moving a limb away from the midline or medial plane of the body

37

Adduction

Abduction. Moving of Limb toward body midline

38

Circumduction

Combination of flexion extension abduction and adduction

39

Inversion

Invert sole of the foot inwards

40

Eversion

Turn sole of foot outwards

41

Synergists

Help prime movers by producing the same movement or by reducing undesirable more

42

Fixators

Specialized synergists. Hold a bone still or stabilize the origin of a prime mover so all the attention can be used to move the insertion bone

43

dorsiflexion

pointing toes upward toward sky

44

plantar flexion

pointing foot like ballerina