Semper Fit Basic Fitness Course -marinenet Exam with 100% all the correct answers

Which of the following best defines exercise physiology? The body prepares for and performs exercise. Timed runs, sit-ups, pull-ups, and push-ups, or your survivability in combat are all measurements of optimal fitness Which of the following tests can measure a Marine's optimal fitness? Timed runs Unoxygenated blood returning from the body enters the __________ side of the heart and is then pumped through the __________ ventricle to the lungs. Right;Right As a result of regular exercise, what change occurs in the heart and blood vessels? Blood Pressure Decreases How effectively the body uses the oxygen you breathe in is measured by the VO2 Which molecule provides the energy for muscle contraction? Adenosine tri-phosphate Which statement below is true concerning the anaerobic energy pathway? Breaks down sugar molecules called glucose (carbohydrates) to produce energy. Which energy pathway is not activated quickly; however, since oxygen is usually available to the working muscle; it can provide energy for a long period of time? Aerobic The warm-up should last approximately _______ minutes. 5 - 15 What is the goal of flexibility training? Improve the joints range of motion. Static stretching is performed by holding a stretch for 30 seconds. Which stretching method is another name for bouncing stretching and involves performing rapid, jerky, uncontrolled movement? Ballistic Acceleration is the ability to increase speed over a short amount of time. Which of the following describes the back pedal? Backwards running movement Which is one of the techniques for performing speed and agility drills? Accelerate with 100% effort. What are the muscles that surround the body's center of mass?