Muscular System and Disorders

It is an uncontrolled and painful contraction of one or more muscles. It can happen after a strenuous and repetitive activity.

• spasm

• cramp

• twitch

• strain

It is a muscle injury that stretches the muscle and causes swelling and pain. It occurs when some physical activities are done over long period of time.

• muscle sprain
• muscle tear
• muscle rupture
• muscle strain

This injury occurs when your muscle bumps against a hard surface or receives a blow. The skin over the affected area becomes bluish-black caused by the blood clot from the ruptured muscle.

• fracture
• bruise
• sprain
• strain

It's a disorder that can be passed down to the family, it causes the progressive weakening of muscles that hold the bone together which can make walking, standing, climbing difficult to the affected person.

• Osteoporosis
• Muscular dystrophy
• Arthritis
• Parkinson's disease

Tags

NGSS.MS-LS3-1

It is a muscle disorder characterized by fatigue and weakness which leads to drooping eyelids and difficulty in speaking, chewing and swallowing.

• Parkinson's disease
• amyotrophic lateral sclerosis
• muscular dystrophy
• myasthenia gravis

Eating food rich in this mineral can help build up damaged muscles and keeps them strong and healthy.

• carbohydrates
• calcium
• vitamin C
• protein

Doing this daily can keep the muscle flexible and in good shape.

• Stretching
• Eating a balanced diet
• Drinking plenty of water
• exercise

To avoid muscle injuries, you need to do this to the muscles before doing extensive exercise or physical activity.

• stretch the muscles
• cool down the muscles
• apply ice to the muscles
• warm up the muscles

Gettin plenty of rest and sleeping comfortably helps in taking care of our muscles.

• True

• False

Extra question - It is the rhythmic movement of the smooth muscles of the digestive canal that pushes the chewed food.

• relaxation
• expansion
• contraction
• peristalsis