QUESTIONS WITH SOLUTIONS GRADED A+
◉ 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? Answer: ballistic stretching
◉ name the six skill-related components of fitness. Answer: balance,
coordination, speed, power, agility, and reaction time
◉ what is the difference between maximal heart rate and heart rate
reserve. Answer: maximal heart rate is the highest heart rate a person can
achieve. it is measured with a max HR test or estimated with 220- age.
Heart rate reserve is your maximal HR minus your resting heart rate.
◉ how does compression lower your heart rate in the water? Answer:
water compresses all the body systems, including the vascular system,
causing a smaller venous load to the heart, reducing heart rate.
◉ what is the ACSM (2018) recommended frequency for resistance
training? Answer: two to three days/week for each major muscle group
,◉ define body composition. Answer: the body's relative percentage of
fat as compared to lean tissue (bones, muscles, and organs)
◉ list five benefits of regular exercise. Answer: improves physical
appearance, increases functional capacity, heart becomes stronger,
strengthens the walls of the blood vessels, improves strength and
endurance,
◉ when calculating exercise intensity, a popular method is the Karvonen
Formula, which is also known as the ____. Answer: Heart Rate Reserve
method
◉ ____ is a subjective method of assessing effort, strain, discomfort,
and fatigue experienced during exercise. Answer: rating of perceived
exertion
◉ The skeletal system provides our bodies with support, protection, and
_____. Answer: Structure
◉ During the cardiac cycle, ____ is the active contraction of the heart
muscle and ___ is the relaxation of the heart muscle. Answer: Systole,
Diastole
◉ Which characteristic of muscle allows it to shorten and thicken.
Answer: Contractility
, ◉ The ____ muscle group flexes the leg at the knee. Answer:
Hamstrings
◉ What is a motor neuron. Answer: Efferent neurons that relay outgoing
information from the central nervous system to the muscle cells
◉ Describe the valsalva maneuver. Answer: Holding one's breath while
exerting. Creates unequal pressure in the chest, causing blood pressure
to drop and decreasing blood flow to the heart. Resuming normal
breathing creates a surge of blood flow to the heart, causing a sharp
increase in blood pressure.
◉ Name the 5 systems of the body most actively involved in movement
and exercise. Answer: Skeletal, muscular, nervous, respiratory, and
cardiovascular systems
◉ In a muscle pair, the muscle that is actively contracting is referred to
as the ____, or prime mover. Answer: Agonist
◉ List the three types of muscle tissues in the human body. Answer:
Visceral, cardiac, and skeletal
◉ The process by which bones grow in the body is called ____. Answer:
Ossification