Overload... - answer✔To increase strength, we must tax our muscles beyond their accustomed
loads. When muscles produce high (but not necessarily maximum) levels of force time and time
again, they respond, over time, by becoming larger (hypertrophy).
Specificity... - answer✔Your strength-training program must be specific to your overall exercise
objectives.
Individuality... - answer✔You should evaluate your fitness level and your exercise goals on a
personal level. We all have different potentials and we all have different goals. Be yourself!
Reversibility... - answer✔When you stop overloading your muscles, your strength and muscular
fitness will gradually return to their pre-exercise levels. "Use it or lose it," but remember that
you won't lose it immediately
What are the types of muscle actions? - answer✔isometric, isotonic (concentric and eccentric),
isokinetic
Isometric... - answer✔Although muscles produce force, there is no movement (for example,
pushing against an immovable object). Contracting but not shortening, not practical
Isotonic... - answer✔Muscles produce force and change their length
Concentric... - answer✔Muscle shortens and overcomes external resistance (for example, your
biceps when you lift an object from your waist).
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