Muscles

Question 1

What does origin and insertion mean?

Answer 1

• origin: immovable bone

* insertion: movable bone

Question 2

Function, origin, insertion of FRONTALIS (surprise)

Answer 2

Function
• raises eyebrows (elevation)

Origin
• cranial and aponeurosis

Insertion:
• skin of eyebrow

Question 3

Function origin and insertion of ORBICULARIS OCULI (blinking)

Answer 3

Function
• opens and closes eyes

Origin
• frontal and maxilla

Insertion
• tissue around eye

Question 4

Function origin and insertion of ZYGOMATICUS (smiling)

Answer 4

Function
• Raises corners of her mouth

Origin
• zygomatic

Insertion
• skin and muscle at corners of cheeks

Question 5

Function origin and insertion of MASSETER (chewing)

Answer 5

Function
• closes jaw

Origin
• temporal

Insertion
• mandible

Question 6

Function origin and insertion of TEMPORALIS (chewing)

Answer 6

Function
• closes jaw

Origin
• Temporal

Insertion
• mandible

Question 7

Function origin and insertion of STERNOCLEIDOMASTOID (praying)

Answer 7

Function
•Flexion at the neck

origin
• sternum and clavicle

insertion
• mastoid process (temporal)

Question 8

Function origin and insertion of BUCCINATOR(whistling)

Answer 8

Function
• compresses cheeks and holds food

origin
• mandible and maxilla

insertion
• Orbicularis oris

Question 9

Function origin and insertion of PLATISMA (frowning)

Answer 9

Function
• post corners of mouth inferior

origin
• connective tissue at superior chest

insertion
• tissue around mouth

Question 10

Function origin and insertion of ORBICULARIS ORIS

Answer 10

Function
• closes and protrudes lips

Origin
• mandible and maxilla

Insertion
• skin and muscle around mouth

Question 11

Function origin and insertion of DELTOID

Answer 11

Function
• abducts humerus

Origin
• scapular spine and clavicle

Insertion
• humerus

Question 12

Function origin and insertion of PECTORALIS MAJOR

Answer 12

Function
• abducts and flexes humerus

Origin
•sternum clavicle and 1st and 6th ribs

Insertion
• proximal humerus

Question 13

Function origin and insertion of BICEPS BRACHII

Answer 13

Function
• flexes elbow and supinates forearm

Origin
• scapula

Insertion
• radius

Question 14

Function origin and insertion of BRACHIALIS

Answer 14

Function
• flexes elbow and supinates forearm

Origin
• distal humerus

Insertion
• ulna

Question 15

Function origin and insertion of TRICEPS BRACHII

Answer 15

function
• extends elbow

Origin
• shoulder girdle

Insertion
• olecrenon process of ulna

Question 16

Function origin and insertion of TRAPEZIUS

Answer 16

Function
• adducts scapulas and extends neck

Origin
• occipital cervical vertebrae thoracic vertebrae

Insertion
•scapula and clavicle

Question 17

Function origin and insertion of RECTUS ABDOMINUS

Answer 17

Function
• flexes vertebral column

Origin
•pubis

Insertion
•sternum, 5th-7th ribs

Question 18

Function origin and insertion of EXTERNAL OBLIQUE

Answer 18

Function
• flexes and rotates vertebral column

Origin
• lower 8 ribs

Insertion
• iliac crest

Question 19

Function origin and insertion of LATISSIMUS DORSI

Answer 19

Function
• addicted and extends humerus

Origin
•lower spine and iliac crest

Insertion
• proximal humerus

Question 20

Function origin and insertion of ILIOPSOAS

Answer 20

Function
• flexes hip

Origin
• ilium and lumbar vertebrae

Insertion
• femur

Question 21

Function origin and insertion of SARTORIUS

Answer 21

Function
• flexes thigh at hip

Origin
• ilium

Insertion
•proximal tibia

Question 22

Function origin and insertion of RECTUS FEMORIS

Answer 22

Function
•extends at the knee and flexes thigh at hip

Origin
•pelvis

Insertion
• tibial tuberosity

Question 23

Function origin and insertion of VASTUS LATERALIS/ MEDIALIS

Answer 23

Function
• extends at knee

Origin
• femur

Insertion
•tibial tuberosity

Question 24

Function origin and insertion of ADDUCTORS

Answer 24

Function
•addicted thigh toward each other

Origin
•pelvis

Insertion
•femur

Question 25

Function origin and insertion of | GLUTEUS MAXIMUS

Answer 25

Function • extends at hip Origin • sacrum and ilium Insertion • femur

Question 26

Function origin and insertion of GLUTEUS MINIMUS

Answer 26

Function • abducts the thigh Origin • ilium Insertion • femur

Question 27

Function origin and insertion of BICEPS FEMORIS

Answer 27

Function • flexes at the knee Origin • ischium Insertion •head of fibula

Question 28

Function origin and insertion of SEMITENDINOSIS/ SEMIMEMBRANOSUS

Answer 28

Function • flexes at the knee and extends at hip Origin • ischium and tuberosity Insertion • tibia

Question 29

Function origin and insertion of | GASTROCNEMIUS

Answer 29

Function • plantar flexion Origin • distal femur Insertion • calcaneus

Question 30

Function origin and insertion of SOLEUS

Answer 30

Function •plantar flexion Origin • proximal tibia and fibula Insertion • calcaneus

Question 31

Function origin and insertion of TIBIALIS ANTERIOR

Answer 31

Function • dorsiflexion and Origin • proximal tibia Insertion • tarsal 1 and metatarsal 2

Question 32

Function origin and insertion of FIBULARIS LONGUS

Answer 32

Function • plantar flexion and everts foot Origin • fibula Insertion • metatarsals

Question 33

Flexion

Answer 33

Decrease angle

Question 34

Extension

Answer 34

Increase angle

Question 35

Rotation

Answer 35

Movement of bone around it's longitudinal axis example: shaking your head no

Question 36

Abduction

Answer 36

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

Question 37

Adduction

Answer 37

Abduction. Moving of Limb toward body midline

Question 38

Circumduction

Answer 38

Combination of flexion extension abduction and adduction

Question 39

Inversion

Answer 39

Invert sole of the foot inwards

Question 40

Eversion

Answer 40

Turn sole of foot outwards

Question 41

Synergists

Answer 41

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

Question 42

Fixators

Answer 42

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

Question 43

dorsiflexion

Answer 43

pointing toes upward toward sky

Question 44

plantar flexion

Answer 44

pointing foot like ballerina