The muscular system is like a machine that converts chemical energy from food into mechanical energy. The 5 main functions of the muscular system are movement, support, protection, heat generation, and blood circulation. Read more: What Are the 5 Main Functions of the Muscular System? Article
Multimedia: Slideshows, Images & Quizzes
Healthy Aging: Causes of Muscle Weakness
From aging to illness, many things can cause your muscles to get weaker. Learn about the causes and what you can do to make it...
Muscle Cramps (Charley Horse) and Muscle Spasms
What are the differences between muscle spasms and cramps? Learn about the causes of muscle spasms and cramps (charley horse) in...
Pain Management: Signs Your Muscle Pain Is Something Else
Could your achy muscles be a sign of more than a tough workout? Learn when a twinge might warrant a visit to the doctor's office.
Picture of Hamstring Muscle
The prominent tendons at the back of the knee. See a picture of Hamstring Muscle and learn more about the health topic.
Muscle Cramps: Foods That Help and Prevent Cramping
One way to prevent muscle cramps is to get enough of these nutrients: potassium, sodium, calcium, and magnesium. They’re called...
Related Disease Conditions
Muscle spasms are involuntary muscle contractions that come on suddenly and are usually quite painful. Dehydration, doing strenuous exercise in a hot environment, prolonged muscle use, and certain diseases of the nervous system may cause muscle spasms. Symptoms and signs of a muscle spasm include an acute onset of pain and a possible bulge seen or felt beneath the skin where the muscle is located. Gently stretching the muscle usually resolves a muscle spasm.
When Should I Worry About Muscle Twitching?
What is muscle twitching, and how do you recognize it? Muscle twitching is a common issue that affects many people. Learn the signs of muscle twitching, what causes it, when to see a doctor, and how to treat it. Sore muscles after exercise is normal and a sign your muscles are repairing themselves. Extreme soreness, however, may be a sign that you've overdone it.
Second Source article from Government
Muscle Pain (Myofascial Pain Syndrome)
Muscle pain (myofascial pain syndrome) is muscle pain in the body's soft tissues due to injury or strain. Symptoms include muscle pain with tender points and fatigue. Treatment usually involves physical therapy, massage therapy, or trigger point injection.
What Does the Trapezius Muscle Do?
The trapezius is a large superficial back muscle that resembles a trapezoid in shape. It is broad, triangular, and runs at the back of the neck and upper trunk.
What Are Shoulder Muscles Called?
Shoulder muscles are required for movements of the upper limb. They also give the shoulders their characteristic shape. The shoulder has multiple muscles. Shoulder muscles include the intrinsic muscles or scapulohumeral group, including the deltoid, teres major and four rotator cuff muscles. The extrinsic shoulder muscles are the trapezius, latissimus dorsi, levator scapula and rhomboids (rhomboid major and rhomboid minor).
What Are the Muscles in the Arms?
The arm is the part of the upper extremity between the shoulder joint and the elbow joint. It has a bone called the humerus, which is attached to the trunk with the help of the shoulder blade (scapula). The joint between the scapula (shoulder blade) and humerus is called the glenohumeral joint.
What Is Neck Muscle Called?
Several muscles are present in the neck to allow the movement of the neck and maintain its shape and structure. One of the major muscles in the neck is the trapezius. The trapezius muscles are the large muscles of the upper back.
Muscle Cramps: Treatment
Muscle cramps cannot be stopped instantly with injections or pills, but some methods can be useful to relieve them which include stretching, massage, application of heat and cold, walking and taking B vitamins.
Treatment & Diagnosis
Medications & Supplements
Prevention & Wellness
Subscribe to MedicineNet's General Health Newsletter