Basketball demands a combination of speed, agility and control. From an aerobic standpoint, competitive basketball qualifies as vigorous activity. The muscle movements required of a player incorporate the legs, arms and core. Getting in shape for...
Volleyball is a fast-paced sport that takes significant aerobic strength and muscular endurance. The muscular endurance has nothing to do with size or bulk. Instead, it relates to the ability to perform muscle contractions throughout an extended...
The javelin is a throwing event in the sport of track and field. Success in throwing the javelin requires a combination of power and speed; while the javelin is the lightest of the throwing implements, there is a greater demand on precise...
Involuntary muscle movements, or tremors, occur anywhere in the body and may produce symptoms ranging from mildly embarrassing to those that interfere with work or play. You may have difficulty holding a cup still or an annoying ticking movement...
Involuntary muscle movement can take the form of smaller movements, twitches or larger ones, which are referred to as spasms or cramps. Although twitches, spasms and cramps are not completely understood, several factors can contribute to...
Eating a well-balanced diet from all food groups ensures you consume a sufficient amount of vitamins and minerals necessary for optimal muscle function. Muscular movement begins with nerve transmission from your brain all the way down to...
Each time a muscle contracts in your body, whether it be a voluntary movement such as walking or exercise, or an involuntary movement like your heart beating, the muscles uses energy. In order to continue working, the muscle must have a continual...
The product of millions of years of evolution, the arm is a remarkable machine, beautifully demonstrating the fusion of form and function. When our ancestors outgrew walking on all fours, the arm adapted into the highly specialized extremity we...
Your muscles work together to help you walk, run or jump. Most muscles of the arms and legs come in pairs. An example is your biceps muscles on the front of your arm and the triceps muscles on the back of the arm. Your thighs also have a dual set...
Exercise keeps preschoolers healthy and develops gross motor skills, or those involving the large muscles of the body. Activities such as jumping, hopping, climbing, catching and kicking all involve large muscle movement and develop strength and...
You may be someone who believes their strength regime is bulletproof, or you may be a person who is completely lost and looking for a push in the right direction. Whatever the case, it is always good to have a balanced weight routine that targets...
Cerebral palsy is a group of developmental conditions that affects movement and balance. Some babies have other conditions associated with cerebral palsy, like seizures and mental retardation. According to 2007 information from the March of...
Parents are often frightened when they notice their child's hands shaking. However, this symptom rarely indicates a serious underlying condition. Shaking hands are normally caused by tremors, involuntary muscle movements that are similar to...
Muscles in the groin area can become tight due to long periods of sitting or performing activities like biking. Stressed muscles in the groin region can lead to injury. When you injure a groin muscle, your movements can be strained and painful. To...
Cerebral palsy is a condition that is characterized by incorrectly developed or damaged portions of the brain that control movement and posture. It usually first appears in infants, within the first two years of life. People who have cerebral...
Brain tumors are the most common solid tumor among children, according to the Medical University of South Carolina Children's Hospital. Symptoms of brain tumors can vary depending on where the tumor is located, since different areas of the brain...
Seizures are electrical malfunctions in the brain's communication system. Neurons, the cells that make up the brain and the central nervous system, communicate with one another with biochemical signals that can sometimes go awry. When this...
The brain, the central command center of the body, plays a crucial role in swimming. The brain contains nerve cells that communicate with each other and with the muscles to enable the movements needed for swimming. Swimming involves brain...
The term "cerebral palsy" refers to a group of conditions that affect balance, movement and posture. In general, patients with cerebral palsy have difficulty controlling the movement of their muscles.
Kava is a South Pacific medicinal plant that has been used successfully for the short-term relief of anxiety, insomnia and menopausal symptoms. Health experts warn, however, that kava carries risks of side effects and complications. Also known as...
Mescaline is an illegal, hallucinogenic drug derived from the cactus plant called peyote. Typically, this recreational drug is taken orally, but it can also be injected. The side effects of mescaline mimic those of LSD and can last for up to 12...
It's not just how much exercise you do, but how you did it that counts when trying to maximize the benefit you get from ab workouts. In addition to helping you build more muscle size and strength, proper technique will help you avoid neck and back...
Resistance exercises are those in which your muscles resist an opposing force, such as a weight, elastic cord, gravity or your body's weight. Resistance training builds muscles by slightly damaging them because of the stress placed on them....
Dyspraxia, like many developmental disorders, is a lifelong condition, according to the National Center for Learning Disabilities, or NCLD. It is characterized by impairment of fine motor skills, or the precise muscle movements associated with...
Swaddling your infant in a blanket helps him feel safe and secure, and it helps keep him from being bothered by his own muscle movements. This security keeps infants calm and helps them sleep. In a 2002 study cited by the University of Florida,...
The basal ganglia is a group of nerve cells located at the base of the brain that control movement of the muscles. Damage to the basal ganglia affects a person's motor ability, or the ability to control bodily muscle movements. A number of...
Muscle twitches and spasms are both uncontrollable muscle movements, but their symptoms, treatment and causes are very different. While a twitch is a minor annoyance you may hardly notice, a spasm occurs quickly, without warning and is typically...
Cerebral palsy is a condition that refers to a neurological disorder that affects body movement and coordination, according to the National Institutes of Health. It is often caused by irregularities in the brain that control muscular movement and...
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