the primary fuel during endurance exercise is - ✔✔ fatty acids
the human body consists of - ✔✔ chemicals, cells, tissues
Metabolism can be
... [Show More] categorized in the following phases - ✔✔ catabolism & anabolism
BMR stands for - ✔✔ basal metabolic rate
A 30-minute jog would rely most heavily on which energy pathway? - ✔✔ oxidative
The automatic tendency to maintain a relatively constant internal environment is called homeostasis. - ✔✔ true
About 98% of the human body is composed of only six elements: oxygen, carbon, hydrogen, nitrogen, calcium and phosphorous. - ✔✔ true
Mitochondria are known as the powerhouse of the cell. - ✔✔ true
The heart, arteries and veins are part of the circulatory system. - ✔✔ true
The ATP/CP pathway is considered aerobic metabolism. - ✔✔ false
Non-oxidative glycolysis is reliable for: - ✔✔ Up to 2 minutes of ATP production
The primary fuel during endurance exercise is - ✔✔ muscle glycogen
The main purpose of hormones is to: - ✔✔ Alter the rate of synthesis of your cellular protein, Change the rate of enzyme activity, Change the rate of transport of nutrients through the cell wall
The main purpose of the digestive system is - ✔✔ the breakdown of foods and waste elimination.
The main purpose of the respiratory system is: - ✔✔ To supply oxygen to the body, To eliminate carbon dioxide in the body, To regulate the body's pH balance
The average human adult skeleton has - ✔✔ 206 bones
There are 80 bones in the axial skeleton. - ✔✔ true
This type of joint permits a wide range of movement in ONE plane. - ✔✔ hinge joints
Tendons connect bone to bone. - ✔✔ false
Tendons: - ✔✔ Are extensions of muscle fibers, Connect muscle to bone
The points of muscle attachment are known as the - ✔✔ insertion, origin
The origin is the distal attachment of a muscle - ✔✔ false
These sense organs measure the strain in a muscle and can be used to pre-set the tension of muscles. - ✔✔ Muscle spindles
Myofibrils are constructed of overlapping strands of protein polymers called - ✔✔ actin and myosin
What is the byproduct of glucose and glycogen metabolism (glycolysis) in anaerobic muscle energetics? - ✔✔ Lactic Acid
Type I muscle fibers are aerobic. - ✔✔ true
Type II muscle fibers are slow twitch fibers. - ✔✔ false
Cardiovascular exercise results in: - ✔✔ Mitochondrial adaptations and Capillary capacity adaptations
Muscular hypertrophy is a(n) - ✔✔ increase in muscle fiber size
Kinesiology is - ✔✔ he science or study of movement, and the active and passive structures involved
An example of an antagonist muscle is - ✔✔ riceps 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 around an axis of rotation or fulcrum
Biomechanics is the study of: - ✔✔ Movement
Musculoskeletal deviations can result in - ✔✔ poor muscle balance, poor flexibility, 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 - ✔✔ flexion, extension/hyperextension, transverse (horizontal) adduction and abduction, abduction and adduction, medial (inward) and lateral (outward) rotation, and circumduction.
In a concentric contraction the muscles shorten to produce movements. - ✔✔ true
An antagonist muscle is one that has an action directly opposite to that of the agonist. - ✔✔ true
Muscular force is broken down into the components of: - ✔✔ Magnitude, Direction, Application of force, Line of force
Newton's third law of motion deals with force and its relationship to mass and acceleration. - ✔✔ false [Show Less]