I think the answer to this would be :
Younger people also need to do warm-ups because their muscles can also get injured.
There is no person in the world where someone's muscles would not get injured if they do not stretch or do warm-ups. It is the way of life that the muscles can be more stiff if no loosened up and this sometimes results in injuries or sprains.
False. The knee is a hinge type joint.
The side effects of extinction can include the display of emotional behavior and an increase in the variability of behavior.
<h3>What do you mean by extinction?</h3>
when behavior is observed completely disappears as a result of the reinforcement strategy being used. Whenever the reinforcement that created a behavior is eliminated, an extinction burst occurs. At first, the observed behavior will grow. The person is making an attempt to increase behaviors in order to increase the motivational operant. The behavior gradually reduced until it was extinct after the eruption. An illustration of this is a vending machine that, after you pay and press the button, does not deliver a soda. From previous experience, the soda is delivered by inserting money and pressing the button. There is a long history of rewarding this behavior.
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