List 3 ideas that can help reduce instructor voice injury and enhance leadership skills
Ans 1. incorporating hand and arm signals/ other nonverbal techniques
2. microphones
3. experiment with different teaching locations around the pool
explain why it is generally recommended to exercise at mid...
____________ is defines as the maximum force that can be exerted by a muscle or muscle
group against a resistance
Ans muscular strength
what type of stretching activates the muscle spindles?
Ans Ballistic Stretching
What are muscle spindles?
Ans specialized receptors in the muscle that monitor muscle length change and the speed of
muscle length change
name the six skill- related components of fitness
Ans 1. agility
2.balance
3.coordination
4. power
,5. reaction time
6. speed
What is the difference between max HR and HR reserve
Ans max HR is the hight HR a person can achieve, it is measured with a max HR test or
estimated with 220-age
HR reserve is your maximal HR minus your resting HR
How does compression lower you HR in the water?
Ans it acts like a compressor on the body systems, causing a smaller venous load to the
heart than in land exercise.. the heart has to work less to return blood from the limbs back to
your heart
what are the factors that influence HR in the water
Ans 1. temperature
2. reduced gravity
3. compression
4. partial pressure
,5. reduced body mass
What is the ACSM (2018) recommended frequency for resistance training?
Ans 2-3 days per week for each major muscle group
define body composition
Ans the body's relative percentage of fat as compared to lean tissue (bone, muscles, organs)
list 5 benefits of regular exercise
Ans 1. improves physical appearance
2.increases functional capacity
3.improves strength and endurance
4. strengthens the walls of the blood vessels
5. improves efficiency of the nervous, lymph, and endocrine systems
when calculating exercise intensity, a popular method is the ______________
Ans Karvonen Formula
What is the Karvonen Formula also known as
, Ans HR reserve method
_________ is a subjective method of assessing effort, strain, discomfort, and fatigue
experienced during exercise
Ans Rate of Perceived Exertion
Aside from RPE, what is another subjective method used to measure intensity
Ans talk test
what are the 3 aerobic conditioning formats
Ans 1. continuous training
2.Interval training
3. Circuit training
The skeletal system provides our bodies with support, protection, and ____________
Ans structure
During the cardiac cycle, _______ is the active contraction of the heart muscle and _____ is
the relaxation of the heart muscle
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