Lecture 6

Question 1

Type of skeletal muscle fibers abundant in postural muscles

Answer 1

slow (Type I, slow oxidative)

Question 2

Type of skeletal muscle fibers abundant in the lower limbs

Answer 2

Intermediate (Type IIa, fast aerobic)

Question 3

Type of skeletal muscle fibers abundant in upper limbs

Answer 3

Fast (type IIb, fast anaerobic)

Question 4

What are the four patterns of skeletal muscle arrangement?

Answer 4

Circular, parallel, convergent, pennate (unipennate, bipennate, multipennate)

Question 5

Some muscles of facial expression

Answer 5

Frontal belly of occipitofrontalis, orbicularis oculi, zygomaticus major, depressor anguli oris, platysma, orbicularis oris, buccinator

Question 6

Muscles of mastication

Answer 6

Temporalis, masseter, lateral and medial pterygoids

Question 7

The extrinsic eye muscles are comprised of 4 ____ muscles and 2____ muscles

Answer 7

Rectus, Oblique

Question 8

The extrinsic tongue muscles

Answer 8

Genioglossus, styloglossus, hyoglossus, palatoglossus

Question 9

Muscles of the pharynx

Answer 9

Superior constrictor, middle constrictor, and inferior constrictor

Question 10

____ muscles elevate the hyoid during swallowing

Answer 10

Suprahyoid

Question 11

____ muscles depress the hyoid during swallowing

Answer 11

Infrahyoid

Question 12

Anterolateral muscles ___ the head/neck. Posterior muscles ___ the head/neck

Answer 12

Flex, Extend

Question 13

Unilateral contraction of this muscle will cause lateral flexion and rotation of the head to the opposite side

Answer 13

Sternocleidomastoid

Question 14

Posterior neck muscles

Answer 14

Semispinalis capitis, splenius capitis, longissimus capitis, splenius cervicis

Question 15

These muscles of the vertebral column maintain posture, help us to stand erect

Answer 15

Erector Spinae Muscles

Question 16

These muscles of the vertebral column are deep to the erector spinae muscles; connect and stabilize the vertebrae

Answer 16

Transversospinalis muscles

Question 17

Muscles active during inhalation

Answer 17

Serratus posterior superior, external intercostals

Question 18

Muscles active during exhalataion

Answer 18

Serratus posterior inferior, internal intercostals, transverse thoracis

Question 19

Main muscles of respiration

Answer 19

Diaphragm

Question 20

Muscles of the abdominal wall

Answer 20

External oblique, internal oblique, transverse abdominis, rectus abdominis

Question 21

The muscles of the pelvic floor consists of three layers of muscles known as the _____

Answer 21

Pelvic diaphragm