Dopamine antagonists are chemicals that occupy dopamine receptors without stimulating them. They thus compete with dopamine for its natural binding sites and hence lower the effects of available dopamine. This can have the same neurological...
Opiates, medications derived either naturally or synthetically from the opium plant, bind to the opiate receptors in the body to block pain signals and induce euphoria. Opiates also act to depress the respiratory system and, in the case of...
Antagonistic muscle split workouts in bodybuilding involve working pairs of muscles that have a specific kind of relationship. Antagonistic muscle pairs move the same joint in opposite directions. Bilateral antagonistic muscle pairs are muscles on...
Calcium antagonists, also called calcium channel blockers, are a group of similar-acting medications used in the treatment of high blood pressure. They can also be used to treat some forms of migraine headaches and Raynaud's disease, according to...
You can design a more balanced workout regimen by identifying the antagonistic muscles for individual exercises. Antagonistic muscle groups move the same joint in opposite directions. Pullup antagonists tend to lengthen as the primary movers...
Exercises that target antagonistic muscle groups cause reciprocal inhibition by moving the same joint in opposite directions. Reciprocal inhibition forces one muscle group to relax while the other contracts. Contraction-inhibiting cellular waste...
The endocrine system produces different hormones that circulate throughout the body. Maintaining the proper balance between these substances ensures good health. Excessive levels of the androgen testosterone, for example, can cause unwanted...
Dopamine antagonists, such as haloperidol and phenothiazines, tend to increase non-REM (rapid eye movement) sleep while reducing REM sleep, according to a 2009 article written by Seiji Nishino, MD at Stanford University. These drugs have been used...
Back extensions are exercises that require you lift your upper body from a prone position and slightly hyperextend your back. You can use these exercises to strengthen the muscles in your lower back as well as the muscles in your abdomen. The...
The main muscles involved in back extensions are the erector spinae, and the antagonist muscle group for these muscles is the rectus abdominis. These muscle groups work in concert to flex and extend the trunk. In back extensions, a strong rectus...
Alzheimer's designates a neurodegenerative condition, where toxic plaques build up in areas of the brain important for processing memories. The ongoing accumulation of these plaques eventually short-circuits communication between brain cells,...
Normally, calcium entry into blood vessel walls causes contraction of the vessels and triggers a rise in blood pressure. Calcium channel antagonists, also known as calcium channel blockers, prevent calcium from getting into blood vessel cells. As...
Nausea and vomiting are common side effects among people receiving chemotherapy for cancer. CancerCare.org explains that nausea and vomiting may be caused from chemical reactions in the brain once chemotherapy is given or because the lining of the...
Schizophrenia is a term for several brain disorders that affect a person's ability to properly interpret reality. The word "schizophrenia" literally means "split mind," although schizophrenia is not synonymous with multiple personality disorder....
One of the most common ways to train opposing muscle groups is to use antagonistic supersets. When a muscle is working, such as the biceps in a biceps curl, the opposite muscle -- your triceps -- are resting, known as the antagonist. Performing a...
Dopamine is an essential neurotransmitter. Like other neurotransmitters, it's responsible for transmitting electrical signals from the brain to other parts of the body. The University of Texas says "dopamine affects brain processes that control...
Nausea, which is the sensation of the need to vomit, is a common side effect of chemotherapy treatment for cancer. The probability of experiencing nausea is dependent upon the specific drug used, the dosage of the drug administered, and whether...
Epilepsy is a brain disorder characterized by seizures. Seizures are caused by disturbed brain activity. Medical conditions like stroke, infections, brain injuries and infections all are potential causes. Surgery and medications called...
Antiemetic drugs are medicines that help control nausea and vomiting. According to Medicine Net, over-the-counter antiemetics are designed for mild nausea or motion sickness. If you have more severe nausea and vomiting, your healthcare provider...
Developing strength in the various muscle groups in the.proper proportions is an important element of an effective exercise training program. When performing resistance training exercises for developing arm strength, you should try to achieve an...
The threat posed by cancer centers on the capacity of the cancerous cells to uncontrollably replicate, taking over the space occupied the normal cells. Chemotherapy treatments are drugs that exploit vulnerabilities in cancer cell metabolism with...
The pushup is an overall body exercise that works everything from the shoulders to the legs. It is an effective resistance exercise that can be adapted to any fitness level or skill set. Three types of muscles make every movement you do possible:...
According to The Merck Manuals, cardiovascular heart failure is a condition in which the heart is unable to pump blood adequately. Cardiovascular heart failure causes reduced blood flow and congestion of blood in veins and lungs, as well as other...
If you are looking for a way to boost sexual desire as you try to get pregnant, you're likely to come across the purported aphrodisiac damiana. This herb also is called Turnera diffusa, herba de la pastora and old woman's broom. This herb has...
Cytotoxic drugs are powerful chemotherapy medications used to kill cancerous cells. Different types of cytotoxic drugs interfere with varying cellular activities to induce cell death, with most disrupting some aspect of cell replication. If cancer...
Fertility medications are used to stimulate the ovaries to produce more than one viable egg. Different types of injectable fertility medications are used in 2010 to stimulate and suppress the ovaries, as well as to mature the eggs in the ovaries...
Psychiatrists prescribe Seroquel for schizophrenia. The drug binds to many different receptors within the brain. In particular, it acts as a blocker or "antagonist" of serotonin receptors; it also acts as a mild antagonist at dopamine D2,...
Acid reflux or gastroesophageal reflux disease (GERD) is a chronic condition that results when acid in the stomach refluxes back into the esophagus. The condition is experienced by heartburn and a burning sensation on the esophageal lining. ...
Asthma is an inflammatory disease of the lungs that can result in coughing, difficulty breathing, wheezing, and/or a tight feeling in the chest. Asthma is especially prevalent in the United States. According to the Centers for Disease Control and...
