QUESTIONS AND COMPLETE ANSWERS
◉ 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