MACRO skeletal muscles

Question 1

orbicularis oculi

Answer 1

O; wall of orbit
I; skin around orbit
F; closes eye

Question 2

orbicularis oris

Answer 2

O: muscles around mouth
I: skin around mouth
F: protrudes lips (kissy face)

Question 3

Masseter

Answer 3

O: maxilla and zygomatic arch
I: mandible
F: elevates the mandible

Question 4

Temporalis

Answer 4

O: temporal bone
I: mandible
F: elevates and retracts the mandible

Question 5

occipitofrontalis -frontal belly

Answer 5

O: aponeurosis
I: blends muscles of eyes and eyebrows
F: raises eyebrows

Question 6

occipitofrontalis -occipital belly

Answer 6

O: occipital bone
I: aponeurosis
F: draws scalp backwards

Question 7

sternocleidomastoid

Answer 7

O: manubrium and clavicle
I: occipital bone, mastoid process, and temporal bone
F: flexes and rotates head

Question 8

trapezius

Answer 8

O: occipital bone and thoracic vertebrae
I: scapula and clavicle
F: extends head and elevates scapula

Question 9

platysma

Answer 9

O: fascia over deltoid
I: mandible, skin of lower face
F: depress mandible

Question 10

zygomaticus major

Answer 10

O: zygomatic bone
I: skin at the corner of the mouth
F: smiling

Question 11

pectoralis major

Answer 11

O: medial clavicle and sternum
I: humerus
F: adduction of humerus, push-up, arm twd medial, medial rotation of shoulder

Question 12

pectoralis minor

Answer 12

O: ribs 3-5
I: coracoid process of the scapula
F: elevated ribs during forced inspiration, scapula fwd and down,

Question 13

rectus abdominus

Answer 13

O: pubic symphysis
I: cartilage of ribs 5-7, xiphoid process
F: felxes vertebral column, aids in #1 2, chilborth, forced expiration

Question 14

external oblique

Answer 14

O: ribs 5-12
I: linea alba
F: flexion and rotation of vertebral column

Question 15

internal oblique

Answer 15

I: ilium
O: cartilgae of ribs 9-12
F: flexion and rotation of vertebral column

Question 16

transverse abdominus

Answer 16

I: ilium, lumbar fascia, ribs 6-12
O: xiphoid process, linea alba, pubis
F: compresses abdomen and stabilizes trunk

Question 17

external intercostals

Answer 17

O: rib above
I: rib below
F: increases thoracic volume during normal respiration, involved in relaxing

Question 18

internal intercostals

Answer 18

O:rib below
I: rib above
F: depresses ribs (forced expiration)

Question 19

diaphragm

Answer 19

O: xiphoid process, cartilage of ribs 6-12, lumbar vertebrae
I: central tendon
F: causes flattening during contraction, increase thoracic volume during normal inspiration

Question 20

Supraspinatus

Answer 20

O: supraspinatus fossa, scapula
I: superior humerus (gr. tubercle)
F: abduction of arm

Question 21

Infraspinatus

Answer 21

O: infraspinatus fossa, scapula
I: superior lateral humerus (gr. tubercle)
F: lateral rotation of arm

Question 22

Teres minor

Answer 22

O: scapula
I: lateral humerus
F: lateral rotation of arm

Question 23

Teres major

Answer 23

O: scapula
I: anterior lateral humerus
F: extension and adduction of arm

Question 24

Latissimus dorsi

Answer 24

O: spines of vertebrae T5-L7 l, sacrum, ilium
I: medial humerus
F: extension and adduction of arm

Question 25

Deltoid

Answer 25

O: clavicle and scapula (spine) I: humerus (deltoid tuberosity) F: abduction, extension, and medial lateral rotation of arm

Question 26

Subscapularis

Answer 26

O: anterior scapula I: proximal medial humerus F: rotates arm medially at shoulder joints

Question 27

The 3 muscles of the vertebral column

Answer 27

Iliocostalis, longissimus, spinalis

Question 28

What are the 4 muscles of the rotator cuff?

Answer 28

Supraspinatus, infraspinatus, Teres minor, subscapularis

Question 29

Biceps brachii

Answer 29

O: Coracoid process, long head-superior, short head- anterior I: radius (radial tuberosity) F: Flexion of the elbow

Question 30

Tricep brachii

Answer 30

O: posterior and lateral scapula and humerus I: posterior ulna (olecranon) F: extension of the elbow

Question 31

Rectus femoris

Answer 31

O: anterior iliac, spine of pelvis I: tibial tuberosity F:extend knee, flex hip **quadricep**

Question 32

Vastus lateralis

Answer 32

O: proximal femur I: tibial tuberosity F:extend knee **quadricep**

Question 33

Vastus intermedius

Answer 33

O: proximal femur I: tibial tuberosity F:extend knee **quadricep**

Question 34

Vastus medialis

Answer 34

O: proximal femur I: tibial tuberosity F:extend knee **quadricep**

Question 35

What are the 4 quadriceps?

Answer 35

Rectus femoris, vastus lateralis, vastus intermedius, vastus medialis

Question 36

Sartorius

Answer 36

O: ilium ASIS I: tibia -proximal medial F: flex hip, abduct femur

Question 37

Adductor longus

Answer 37

O: pubis I: femur -medial F: abduct femur

Question 38

Gluteus maximus

Answer 38

O: posterior pelvis I: IT band and femur F: extend and laterally rotate hip

Question 39

Semimembranosus

Answer 39

O: ischium I: medial tibia F: flex knee **hamstring**

Question 40

Semitendinosus

Answer 40

O: ischium I: medial tibia F: flex knee **hamstring**

Question 41

Biceps femoral

Answer 41

O: ischium I: lateral fibula F: flex knee **hamstring**

Question 42

What are the 3 hamstring muscles?

Answer 42

Semimembranosus, semitendinosus, biceps femoral

Question 43

Soleus

Answer 43

O: proximal tibia and fibula I: calcaneus via calcaneal tendon F: plantar flexes foot

Question 44

Gastrocnemius

Answer 44

O: distal femur I: calcaneus via calcaneal tendon F: plantar flexes foot and flexes knee

Question 45

Tibialis anterior

Answer 45

O: proximal tibia I: first metatarsal F: muscle dorsiflexes foot

Question 46

Psoas major

Answer 46

O: lumbar vertebrae I: femur F: hip flexion, lateral rotation **hip flexor**

Question 47

Iliacus

Answer 47

O: ilium I: femur F: hip flexion, lateral rotation **hip flexor**

Question 48

What are the 2 hip flexors?

Answer 48

Psoas major, iliacus