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___________ is defined as the maximum force that can be exerted by a muscle or a muscle group against a resistance - Musclar Strength What type of stretching activates the muscle spindles, specialized receptors in the muscle that monitor muscle length change and the speed of muscle length change? - Ballistic Stretching Name the six skill-related components of fitness - Balance, coordination speed, power, agility, and reaction time What is the difference between maximal heart rate and heart rate reserve - Maximal HR is the highest HR a person can achieve. It is measured with a max HR test or estimated with 220 minus your age. Heart rate reserve is your miximal HR minus (-) your resting HR How does compression lower your heart rate in the water? - The water compresses all body systems, included the vascular system, causing a smaller venous load on the heart, reducing heart rate What is the ACSM's (2018) recommended frequency for resistance training? - two to three days per week for each major muscle group Define body composition - The body's relative pertentage of fat as compared to lean tissue (bone, muscles, and organs). List five benefits of regular exercise - - Improves physical appearance - Increases functional capactiy -Heart beccomes stronger - Strengthens the walls of the blood vessels -Improves strength and endurance -Improves the efficiency of the nervous, lymph, and endocrine system - Improves psychological functionWhen calculating exercise intensity, a popular method is the Karvonen Formula, which is known as the _____________ - Heart Rate Reserve Method