3.3 Muscular System

Question 1

Number of muscles in the body?

Answer 1

600+ muscles in the body including 400 skeletal

Question 2

Purpose of the muscular system?

Answer 2

The muscular system enables movement of the body or of materials through the body

Question 3

What are muscles made of?

Answer 3

Long, thin cells or fibers that run parallel to one another, and are bundled together by connective tissue, called fascia

Question 4

Fascia

Answer 4

A band or sheet of fibrous connective tissues that binds together muscle fibers

Question 5

How do muscle fibers move?

Answer 5

Electrical impulses cause muscle fibers to contract or shorten, and this contraction causes body movements

Question 6

What are the three types of muscle tissue?

Answer 6

Skeletal, Smooth, cardiac

Question 7

Skeletal muscles

Answer 7

Attached to bones by tendons, these muscles contract to move the arms legs head or other body parts to which they are attached. These muscles move with conscious control.

Question 8

Smooth muscles

Answer 8

Organized into thin, flat sheets of tissue. Smooth muscles are called involuntary or visceral muscles. They control breathing, As well as the flow of food fluid blood and urine through their respective systems

Question 9

Cardiac muscle

Answer 9

With an appearance similar to woven mesh fibers, these branch out through the heart pumping blood when they contract. These are durable muscle fibers that move involuntarily and do not tire

Question 10

Fasciotomy

Answer 10

Making an incision into the fibrous membrane covering a muscle, usually to relieve pressure from an injured or swollen muscle.

Question 11

herniorrhaphy

Answer 11

Repairing a cavity wall/muscle layer that is allowing all or part of an organ to project through the opening.

Question 12

Rotator cuff repair

Answer 12

Repairing the muscles and ligaments of shoulder joints depend on the size and shape of the tear. Frequently used methods are the Bankart, Putti-Platt, and Bristow procedures

Question 13

ACL - anterior cruciate ligament repair

Answer 13

Rebuilding a ligament in the center of the knee with a new ligament from the patient’s own body, or from a deceased donor, usually by knee arthroscopy. In some cases, ACL repair is done by making an incision into the knee.

Question 14

Muscle biopsy

Answer 14

Removing a small sample of muscle tissue for testing in a laboratory using either a needle biopsy, or open biopsy

Question 15

Needle biopsy

Answer 15

Inserting a needle into the muscle

Question 16

Open biopsy

Answer 16

Making a small cut in the skin and into the muscle

Question 17

Tendon repair

Answer 17

Treatment that retrievers a torn tendon and reattach is it to soft tissue or bone with either a small incision or arthroscopic techniques.