Question: What Are Some Muscular System Diseases?

What’s the weakest muscle in your body?

stapediusThe stapedius is the smallest skeletal muscle in the human body.

At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the stapes….Stapedius muscle.StapediusTA22103FMA49027Anatomical terms of muscle12 more rows.

What are the 10 major muscles of the body?

Meet some musclesMasseter and temporalis muscles. The masseter lifts the lower jaw to close the mouth and it is the strongest muscle in your body. … Biceps brachii muscle. The biceps brachii runs from the shoulder to the elbow.Deltoid muscles. … Pectoralis major muscle. … Adductor longus muscle. … Soleus muscle.

What disease eats your muscles?

Muscular dystrophy is a group of inherited diseases characterized by weakness and wasting away of muscle tissue, with or without the breakdown of nerve tissue.

What diseases affect joints and muscles?

Multiple sclerosis, rheumatoid arthritis, and polymyalgia rheumatica are three types of autoimmune disorders that affect the muscles, joints, and nerves. Autoimmune disorders occur when the body’s own immune system goes haywire and starts attacking healthy tissue.

What are some examples of the muscular system?

Any action that a person consciously undertakes involves the use of skeletal muscles. Examples of such activities include running, chewing, and writing. Smooth muscle lines the inside of blood vessels and organs, such as the stomach, and is also known as visceral muscle.

What are the symptoms of muscle disease?

Some symptoms common to neuromuscular disorders include:Muscle weakness that can lead to twitching, cramps, aches and pains.Muscle loss.Movement issues.Balance problems.Numbness, tingling or painful sensations.Droopy eyelids.Double vision.Trouble swallowing.More items…

What is the longest muscle of the body?

sartoriusThe longest muscle in your body is the sartorius, a long thin muscle that runs down the length of the upper thigh, crossing the leg down to the inside of the knee.

What is the most common neuromuscular disease?

The most common of these diseases is myasthenia gravis, an autoimmune disease where the immune system produces antibodies that attach themselves to the neuromuscular junction and prevent transmission of the nerve impulse to the muscle.

Is muscle wasting painful?

Depending on the cause, atrophy may occur in one muscle, a group of muscles, or the entire body, and it may be accompanied by numbness, pain or swelling, as well as other types of neuromuscular or skin symptoms.

What is the most common muscle disease?

Duchenne muscular dystrophy, the most common form of muscular dystrophy. It gradually makes the body’s muscles weaker. Becker muscular dystrophy, which causes less severe symptoms than Duchenne MD.

What is the strongest part of the body?

The strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars. The uterus sits in the lower pelvic region.

What is the busiest muscle in the human body?

Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day! 3. The largest muscle in the body is the gluteus maximus muscle in the buttocks.

What is the main organ of the muscular system?

The muscular system is an organ system consisting of skeletal, smooth and cardiac muscles. It permits movement of the body, maintains posture and circulates blood throughout the body….Muscular systemFMA72954Anatomical terminology6 more rows

What are the 4 types of muscles?

Muscle TypesSkeletal Muscle. Skeletal muscle, attached to bones, is responsible for skeletal movements. … Smooth Muscle. Smooth muscle, found in the walls of the hollow internal organs such as blood vessels, the gastrointestinal tract, bladder, and uterus, is under control of the autonomic nervous system. … Cardiac Muscle.