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PTR251: Certified Fitness Trainer Quiz 3

ISSA International Sports Science Association
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Kinesiology is...
the science and study of movement, and the active and passive structures involved.
An example of an antagonist muscle is....
Triceps during a biceps curl.
The Angle of Pull is...
the variance of force at different points in the range of motion of an exercise.
A lever is defined as...
A rigid bar that turns an axis of rotation or fulcrum.
Biomechanics is the study of...
Movement
Musculoskeletal deviations can result in...
Poor muscle balance, poor flexibility, and improper spinal alignment.
Excessive lateral curvature of the spinal column is known as...
Scoliosis
What should be of prime focus in all fitness activities?
Posture
The knee is stabilized on the anterior side by which muscle?
Quadriceps
The shoulder joint is a multi-axial joint that allows for all the following movements except...
None of the above
In a concentric contraction, the muscles shorten too produce movements.
The answer is True
An antagonist muscle is one that has an action directly opposite of that to the agonist.
The answer is True
Muscular force is broken down into the components of...
Magnitude, Direction, Application of Force, Line of Force.
All of the above.
Newton's third law of motion deals with force and it's relationship to mass and acceleration.
The answer is False
A high development of the agonist-antagonist functions is essential to the development of a well-aligned and balanced body.
The answer is True
The hamstrings muscles are a two joint muscle that act at the knee and hip.
The answer is True.