NASM CHAPTER 5

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What are the two divisions of the skeletal system?

Axial and appendicular

what are the two components of the central nervous system?

the brain and the spinal cord

which characteristic is exhibited by type 1 muscle fibers?

slow to fatigue

A person walks differently when they move from a sidewalk onto the sand. This is regulated by what function?

Motor Function

Human movement is accomplished through the functional integration of three systems within the human body: the nervous system, skeletal system, and what other system?

Muscular System

What protein structure is important for muscular contractions by providing a binding state?

Myosin

when a gymnast balances on a beam, they are aware of their body's general orientation and the relative position of its parts. This is due to which key sensory function?

Proprioception

Which joints are most associated with human movement

Synovial joints

What is the function of the neuromuscular junction?

The site where the nervous system and muscle fibers communicate

What is the purpose of the intervertebral discs?

They act as shock absorbers

What is the primary purpose of the peripheral nervous system

To connect the central nervous system to the rest of the body

What best describes the all-or-nothing principle?

A motor unit will either contract maximally or not at all.

What surrounds the skeletal muscles and connects them to other surrounding muscles?

Fascia

Which part of a cell is responsible for using nutrients to create energy for the cell?

Mitochondria


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