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Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

What does origin and insertion mean?

A
  • origin: immovable bone

* insertion: movable bone

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2
Q

Function, origin, insertion of FRONTALIS (surprise)

A

Function
• raises eyebrows (elevation)

Origin
• cranial and aponeurosis

Insertion:
• skin of eyebrow

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3
Q

Function origin and insertion of ORBICULARIS OCULI (blinking)

A

Function
• opens and closes eyes

Origin
• frontal and maxilla

Insertion
• tissue around eye

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4
Q

Function origin and insertion of ZYGOMATICUS (smiling)

A

Function
• Raises corners of her mouth

Origin
• zygomatic

Insertion
• skin and muscle at corners of cheeks

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5
Q

Function origin and insertion of MASSETER (chewing)

A

Function
• closes jaw

Origin
• temporal

Insertion
• mandible

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6
Q

Function origin and insertion of TEMPORALIS (chewing)

A

Function
• closes jaw

Origin
• Temporal

Insertion
• mandible

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7
Q

Function origin and insertion of STERNOCLEIDOMASTOID (praying)

A

Function
•Flexion at the neck

origin
• sternum and clavicle

insertion
• mastoid process (temporal)

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8
Q

Function origin and insertion of BUCCINATOR(whistling)

A

Function
• compresses cheeks and holds food

origin
• mandible and maxilla

insertion
• Orbicularis oris

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9
Q

Function origin and insertion of PLATISMA (frowning)

A

Function
• post corners of mouth inferior

origin
• connective tissue at superior chest

insertion
• tissue around mouth

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10
Q

Function origin and insertion of ORBICULARIS ORIS

A

Function
• closes and protrudes lips

Origin
• mandible and maxilla

Insertion
• skin and muscle around mouth

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11
Q

Function origin and insertion of DELTOID

A

Function
• abducts humerus

Origin
• scapular spine and clavicle

Insertion
• humerus

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12
Q

Function origin and insertion of PECTORALIS MAJOR

A

Function
• abducts and flexes humerus

Origin
•sternum clavicle and 1st and 6th ribs

Insertion
• proximal humerus

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13
Q

Function origin and insertion of BICEPS BRACHII

A

Function
• flexes elbow and supinates forearm

Origin
• scapula

Insertion
• radius

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14
Q

Function origin and insertion of BRACHIALIS

A

Function
• flexes elbow and supinates forearm

Origin
• distal humerus

Insertion
• ulna

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15
Q

Function origin and insertion of TRICEPS BRACHII

A 
function
• extends elbow

Origin
• shoulder girdle

Insertion
• olecrenon process of ulna

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16
Q

Function origin and insertion of TRAPEZIUS

A

Function
• adducts scapulas and extends neck

Origin
• occipital cervical vertebrae thoracic vertebrae

Insertion
•scapula and clavicle

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17
Q

Function origin and insertion of RECTUS ABDOMINUS

A

Function
• flexes vertebral column

Origin
•pubis

Insertion
•sternum, 5th-7th ribs

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18
Q

Function origin and insertion of EXTERNAL OBLIQUE

A

Function
• flexes and rotates vertebral column

Origin
• lower 8 ribs

Insertion
• iliac crest

19
Q

Function origin and insertion of LATISSIMUS DORSI

A

Function
• addicted and extends humerus

Origin
•lower spine and iliac crest

Insertion
• proximal humerus

20
Q

Function origin and insertion of ILIOPSOAS

A

Function
• flexes hip

Origin
• ilium and lumbar vertebrae

Insertion
• femur

21
Q

Function origin and insertion of SARTORIUS

A

Function
• flexes thigh at hip

Origin
• ilium

Insertion
•proximal tibia

22
Q

Function origin and insertion of RECTUS FEMORIS

A

Function
•extends at the knee and flexes thigh at hip

Origin
•pelvis

Insertion
• tibial tuberosity

23
Q

Function origin and insertion of VASTUS LATERALIS/ MEDIALIS

A

Function
• extends at knee

Origin
• femur

Insertion
•tibial tuberosity

24
Q

Function origin and insertion of ADDUCTORS

A

Function
•addicted thigh toward each other

Origin
•pelvis

Insertion
•femur

25
Q

Function origin and insertion of

GLUTEUS MAXIMUS

A

Function
• extends at hip

Origin
• sacrum and ilium

Insertion
• femur

26
Q

Function origin and insertion of GLUTEUS MINIMUS

A

Function
• abducts the thigh

Origin
• ilium

Insertion
• femur

27
Q

Function origin and insertion of BICEPS FEMORIS

A

Function
• flexes at the knee

Origin
• ischium

Insertion
•head of fibula

28
Q

Function origin and insertion of SEMITENDINOSIS/ SEMIMEMBRANOSUS

A

Function
• flexes at the knee and extends at hip

Origin
• ischium and tuberosity

Insertion
• tibia

29
Q

Function origin and insertion of

GASTROCNEMIUS

A

Function
• plantar flexion

Origin
• distal femur

Insertion
• calcaneus

30
Q

Function origin and insertion of SOLEUS

A

Function
•plantar flexion

Origin
• proximal tibia and fibula

Insertion
• calcaneus

31
Q

Function origin and insertion of TIBIALIS ANTERIOR

A

Function
• dorsiflexion and

Origin
• proximal tibia

Insertion
• tarsal 1 and metatarsal 2

32
Q

Function origin and insertion of FIBULARIS LONGUS

A

Function
• plantar flexion and everts foot

Origin
• fibula

Insertion
• metatarsals

33
Q

Flexion

A

Decrease angle

34
Q

Extension

A

Increase angle

35
Q

Rotation

A

Movement of bone around it’s longitudinal axis

example: shaking your head no

36
Q

Abduction

A

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

37
Q

Adduction

A

Abduction. Moving of Limb toward body midline

38
Q

Circumduction

A

Combination of flexion extension abduction and adduction

39
Q

Inversion

A

Invert sole of the foot inwards

40
Q

Eversion

A

Turn sole of foot outwards

41
Q

Synergists

A

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

42
Q

Fixators

A

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
Q

dorsiflexion

A

pointing toes upward toward sky

44
Q

plantar flexion

A

pointing foot like ballerina

Anatomy (5 decks)

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