140 Orthotic Fitter Test - Questions with Verified Answers How many different muscles does the human body contains? Over 600. Primary functions of
... [Show More] Muscles 1. To assist with joint movement 2. to help balance the body 3. retain the appropriate position of vital organs 4. provide intro-abdominal pressure 5. assist in breathing control 6. assist in bowel, bladder and birthing functions 7. aid in rotation, bending and flexing the body 8. induce blood flow through the heart and circulatory system Low back pain usually occurs because of what? Weak abdominal muscles What are the 3 types of muscular tissue? 1. Skeletal 2. Smooth 3. Cardiac Where can you find smooth muscle? Involuntary organs ex. gastrointestinal tract and blood vessels Where can you find cardiac muscle? Can be found only in the heart. It is structurally striated and involuntarily regulated This type of muscle is started and can be voluntarily controlled. These muscles move the bony levers of the body and produce motion. Skeletal Muscle What does the nervous system do? It is the communications systems network for the body. The central nervous system is made up of? The brain and the spinal cord. What is the peripheral nervous system made up of? The spinal and cranial nerves.
How man spinal nerves are there? 31 What is the largest and longest nerve in the body? Sciatic nerve A joint A union between two bones or cartilage. What are the 3 types of joints? 1. Fibrous Joint (such as sutures of the skull, the bones are joined by a small amount of dense connective tissue and no motion is allowed) 2. Fibrocartiliage Joint (this is like the intervertebral discs and the symphysis pubis are joined by one type of cartilage and thus allow only a slight amount of mobility.) 3. Synovial Joint (the majority of the joints in the human body. Actual space exists between the highly lubricated cartilage covered ends of bones permitting free motion) Anatomical Joint Refers to the articular surfaces which are enclosed by a single joint capsule Functional Joint Two anatomical articulations or only part of the area within a single capsule What are the superior seven? The cervical vertebrae The thoracic region has how many vertebrae? 12 articulate with the ribs The 5 separate vertebrae below the last rib are called Lumbar Vertebrae What are some of the important functions performed by the vertebral column? 1. maintains erect body position 2. supports weight of the head and thorax 3. protects the enclosed spinal cord 4. intervertebral discs act as shock absorbers 5. provides attachments for ligaments, muscles and tendons 6. allows movements in all planes of motion Kyphosis a dorsal convexity of the spine and is typically used to describe the thoracic region. (hunchback) [Show Less]