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agasfer [191]
3 years ago
8

For example, if a scientist suspects caffeine intake affects behavioral changes in children, he may choose to conduct a(n) _____

_______ study where he randomly assigns children in the study to either a regular, normal-caffeine level diet or a high-caffeine diet group and then studies behavior without knowing which group received which diet.
Health
1 answer:
Ne4ueva [31]3 years ago
6 0

Answer:

Randomized, Double-Blind Placebo Controlled Study

Explanation:

  • It is a medicinal report including human members in which neither one of the sides knows what treatment is given to each and placebo treatment are given to a control gathering.  
  • The specialists choose arbitrarily with respect to which members in the preliminary get the new treatment and which get a fake treatment, or phony treatment.
  • In the control gathering, the members don't get the new treatment however rather get a fake treatment or reference treatment.
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tangare [24]

Answer:

When skeletal muscles are trained by adding physical stress to them, this is called progressive resistance training (PRT).

Explanation:

During PRT, muscles are exercised against an <em>overload or resistance</em>; the overload is gradually increased in order to allow muscles to adapt. This allows for progressive strength increases over time.

Muscle fatigue is defined as a reduction in the ability to produce force due to exercise. This comprises:

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  • and muscle damage- this is associated with several issues at the cellular level such as disrupted membranes and cytoskeletons; and tissue damage via torn muscle fibers, and collagen.

Overall, these may affect muscle fiber activation and the amount of force they are capable of producing- i.e. sustained strength. However, muscle fatigue  can be greatly reduced via the maintenance of PRT. Also, apart from strength gains, PRT is <em>used for weight loss and muscle building</em>; common tools used in PRT include <em>free weights, elastic bands and exercise machines. </em>

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Deffense [45]
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Explanation:

because these two have the power to make our bones strong and healthy, we can also drink milk to strong our bones.

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