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cartilage

A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.

cerebral palsy

A loss or deficiency of motor control with involuntary spasms caused by permanent brain damage present at birth

cerebellum

Balance and coordination

Specificity

Choosing the right types of activities to improve a given element of fitness

brain stem

Connection to spinal cord. Filters information flow between peripheral nervous system and the rest of the brain.

dislocation

Displacement of a bone from a joint

progression

Gradually increasing the demands on your body

cardiac muscle

Muscle of the heart

flexibility

The ability to move your body parts through their full range of motion

musclar strength

The amount of force a muscle can exert

extensor

The muscle that opens a joint

heatstroke

a dangerous condition in which the body loses its ability to cool itself through perspiration

heat exhaustion

a form of physical stress on the body caused by overheating

aerobic exercise

all rhythmic activities that use large muscle groups for an extended period of time

physical activity

any form of movement that causes your body to use energy

tendons

attach muscle to bone

ligament

attaches bone to bone

ossification

bone formation

fracture

broken bone

Epilepsy

chronic brain disorder characterized by recurrent seizure activity

frostbite

damage to the skin and tissues caused by extreme cold

warm-up

gentle cardiovascular activity that prepares the muscles for work

cardiorespiratory

increases the capacity of the heart, lungs, and blood carrying vessels to deliver oxygen; also called aerobic fitness

Tendonitis

inflammation of tendon sheaths typically caused by overuse

sprains

injuries to the ligaments around a joint

anaerobic exercise

intense short bursts of activity in which the muscles work so hard that they produce energy without using oxygen

cerebrum

largest part of the brain

hypothermia

low body temperature

cool-down

low-level activity that prepares your body to return to a resting state

muscle cramps

moderate to severe muscle spasms that cause pain

skeletal muscles

muscles attached to bone that cause body movements

smooth muscles

muscles that act on the lining of the body's passageways and hollow internal organs

neurons

nerve cells

strains

overstretching and tearing a muscle

overexertion

overworking the body

exercise

purposeful physical activity that is planned, structured, and repetitive, and that improves or maintains physical fitness

musclar endurance

the ability of the muscles to do difficult physical tasks over a period of time without causing fatigue

physical fitness

the ability to carry out daily tasks easily and have enough reserve energy to respond to unexpected demands

flexor

the muscle that closes a joint

resting heart rate

the number of times your heart beats in one minute when you are not active

workout

the part of an exercise session when you are exercising at your highest peak

overload

working the body harder than it is normally worked

sedentary

(adj.) characterized by or calling for continued sitting; remaining in one place


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