An isometric contraction is the kind of contraction that leads to development of tension but no increase in length.
An isometric contraction occurs as the muscle produces tension without changing the angle of a skeletal joint. Isometric contraction is a static muscle action that helps to maintain the posture. For example, the antigravity muscles. It occurs in the biceps when the arms may be holding a weight. In such a posture, the biceps enlarge due to holding of weight and produces tension but do no increase in length. It stops the flexion of elbow. In such contraction, no work is done, and lesser amount of heat energy is released in comparison to isotonic contractions.
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Answer:
a. sham lesion control group.
Explanation:
The experimenter will need to conduct a sham or placebo surgery or in simple words a fake surgery or radio frequency lesion on the rats in the control group. This will look like radio frequency lesion to the control group but in actual will be done just to induce the sham or placebo effect for studying the changes in emotional behavior to the lesion. Hence, the experiment will require a sham lesion control group.
Airplane, gymnasium, dishwasher, basket, racket, gentlemen, mansion, desk
Answer: Star
Explanation:
Atlantix Global Systems based it's success would be classified as a Star according to BCG business portfolio analysis framework.
Answer:
Narcissism
Explanation:
Narcissism is a psychological personality disorder. In this disorder, a person has an inflated sense of self-importance. Due to this reason, a person suffers in any area of life such as family, friends, workplace, etc. These types of people live unhappy when they do not get much attention from others. Their relationship finds unsatisfactory
Symptoms
- Have an exaggerated feeling of self-importance.
- Want excessive admiration
- Exaggerated self-achievement and awards
- They believe that they are special.
- Always be envious of others and believe that other people are envious of them.
- Insist that they are best in everything.
Carol wife was suffering from narcissistic personality disorder.
