Muscular System And Terms

Question 1

Skeletal or Striated Muscle

Where is it found and function

Answer 1

Where muscle is attached to the skeleton, either extrinsic or intrinsecly. Brings about movement. Example; the muscles of mastication, digastrictus, masseter, temporalis, and medial and lateral pterygoids.

Question 2

Smooth Muscle

Where is it found and function

Answer 2

‘unstriated’, ‘visceral’ muscle. Found in regions of the body that are under involuntary control. Example; bladder or uterus.

Question 3

Cardiac Muscle

Where is it found and function

Answer 3

Found only in the heart where it forms the myocardium. Responsibly for the rhythmic and automatic contraction of the heart.

Question 4

Skeletal Muscle, also called?

Answer 4

Striated Muscle

Question 5

Striated muscle, voluntary or involuntary?

Answer 5

Voluntary

Question 6

Smooth muscle, voluntary or involuntary?

Answer 6

Involuntary

Question 7

Cardiac muscle, voluntary or involuntary?

Answer 7

Involuntary

Question 8

Extrinsic Muscles

Answer 8

Muscles that are attached from one major structure, such as the trunk, to another structure such as a limb.

Question 9

Extrinsic Muscles

Function

Answer 9

Bring about movement of the whole limb in relation to other body parts. (example; moving an entire arm)

Question 10

Intrinsic Muscles

Answer 10

Muscles that are attached at both ends within one structure. Such as a limb.

Question 11

Intrinsic Muscles

Function

Answer 11

Bring about movement within the individual limb (example; bending an elbow)

Question 12

Epaxial Muscles

Answer 12

Dorsal muscles of the vertaebral column (above the transverse processes of the vertebrae)

Question 13

Epaxial Muscles

Function

Answer 13

Support the spine
extend the vertebral column
allow lateral flexion.

Question 14

Hypaxial Muscles

Answer 14

Ventral muscles of the vertaebral column (below the transverse processes of the vertebrae)

Question 15

Hypaxial Muscles

Function

Answer 15

Flex the neck and tail and contribute to the flexion of the vertebral column.

Question 16

Diaphragm

Answer 16

The sheet of muscle that separates the thoracic and abdominal cavities.

Question 17

Diaphragm

Function

Answer 17

The diaphragm is the main muscle of inspiration. When it contracts, the lungs expand and draw in air.

Question 18

Intercostals, where and what types?

Answer 18

Between Ribs

External and Internal

Question 19

External Intercostals

Where, How and What

Answer 19

External intercostals originate at the caudal edge of one rib and insert on the cranial surface of the rib behind it. These are are the most superficial.
External intercostals assist in inspiration.

Question 20

Internal Intercostals

Where, How and What

Answer 20

Internal intercostals are below the external intercostals and originate on the cranial edge of one rib and insert on the caudal edge of the rib in front of it.
Internal intercostals assist in expiration, which is a mostly passive movement.

Question 21

Ligament

Answer 21

Connects one bone to another bone. Support, connection of skeletal system.

Question 22

Tendon

Answer 22

Connects muscle to bone. Allows muscle connection for movement of skeletal system.