Muscular System: Strains, Strengthening and Body Role

Proper muscle function relies on protein intake and the coordination of prime movers like biceps and triceps. Manage strains with correct sleeping positions.

Pregnant woman

An Irregular Heartbeat When Pregnant

An irregular heartbeat, medically referred to as an arrhythmia, is common during pregnancy. Approximately 50 percent of pregnant women experience some kind of irregularity in their heart rhythm, according to Cleveland Clinic.

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What Are the Dangers of High Muscle Enzymes?

Your body's muscle tissue contains several enzymes, which are catalysts that cause chemical reactions. Your muscles require chemical reactions to supply them with energy, help them repair damage and help them function. High muscle enzymes in your blood can mean that muscle cells have been damaged.

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Man holding leg

Vitamin B-12 Deficiencies & Leg Spasms

You've no doubt experienced a muscle cramp before. It's extremely painful but usually doesn't last long. Sometimes you get them while you exercise or right after your workout. Or you might get them in the middle of the night.

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The Therapy for Biceps Cramp

Cramps are painful muscle spasms that can occur after intense exercise or competition. Cramps are not usually dangerous, but can be extremely painful. Besides overuse, muscle cramps can stem from dehydration, diuretic medications or an imbalance of the minerals calcium, magnesium and potassium.

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Strong bodybuilder using weight machine for arms

The Three Types of Muscles in Human Body

Although you have more than 600 muscles in your body, there are only three types of muscle: smooth, cardiac and skeletal. Each muscle helps to keep you in motion, your heart beating or signal a natural response in your body, such as the ability to keep your eyes focused.

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Woman Has Stomach Ache Sitting on Bench at Park

What Are the Symptoms of Worms in the Human Body?

Intestinal parasites in the body are commonly caused by poor sanitation and hygiene, as well as international travel to locations where parasite infections are common. In some cases, worms may be spread through sexual intercourse when anal and oral sexual contact occur, according to Planned Parenthood.

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African girl coloring on floor

Activities for Teaching Kids About the Muscular System

The human body is like a machine, with working parts that all contribute to the health and activity of the individual. Of course, this might be difficult to explain to kids -- particularly when it comes to the unseen parts, such as the muscular system.

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Man with pain in shoulder. Pain in the human body

List of Tendons in the Body

Each time you move a part of your body, you use tendons, which are specialized structures that attach muscles to bones. They're made of tough, nonelastic tissue -- called fibrous connective tissue -- that transfers the force produced when a muscle contracts.

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Bodybuilder at gym

How Do the Biceps & Triceps Work Together?

The biceps brachii and triceps brachii are the muscles of your upper arm. The biceps muscle is located on the front of your upper arm and is composed of two heads. The triceps makes up the back of your arm and is made up of three heads.

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Girl eating corn on the cob

Is Glucose Stored in the Human Body?

Glucose is a sugar that serves as a primary energy source for your body. It also provides fuel for optimal brain and nervous system activity, which may help support cognitive functions such as learning and memory. The human body stores glucose in several forms to meet immediate and future energy requirements.

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Muscles That Are Prime Movers

The human body is made up of hundreds of muscles that must work together to allow for body movements. Although many of the body's muscles are small, and work in accordance with other muscles for proper movement, there are large muscles, within the body, that are primarily responsible for certain body movements.

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Grilled salmon and vegetables

Use of L-Glycine by the Human Body

L-Glycine, or glycine, is a non-essential amino acid, which means your body can produce it on its own if not enough glycine is available through your diet. Glycine is the smallest amino acid in size, but it has many powerful effects on your body and is involved in a variety of biochemical reactions.

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