Activity engaged in for pleasure.

The enhancement of physical, cognitive, emotional and social skills so an individual may participate in chosen activities. Recreational modalities are used in designed intervention strategies, incorporating individual's interests to make the therapy process meaningful and relevant.

The system of all phenomena in space and time; the totality of physical reality. It is both a scientific and philosophic concept appearing in all historic eras. (Webster 2d; Dr. James H. Cassedy, NLM History of Medicine Division)

An area of recreation or hygiene for use by the public.

A rating of a body of water based on measurable physical, chemical, and biological characteristics.

The structuring of the environment to permit or promote specific patterns of behavior.

Infection, moderate to severe, caused by bacteria, fungi, or viruses, which occurs either on the external surface of the eye or intraocularly with probable inflammation, visual impairment, or blindness.

Tendency toward a lessened strength of response due to practice or activity. It is independent of the effect of reward and is a direct function of time interval since the last response and the number of preceding responses.

Injuries incurred during participation in competitive or non-competitive sports.

Using ice skates, roller skates, or skateboards in racing or other competition or for recreation.

A snow sport which uses skis to glide over the snow. It does not include water-skiing.

The use of a bicycle for transportation or recreation. It does not include the use of a bicycle in studying the body's response to physical exertion (BICYCLE ERGOMETRY TEST see EXERCISE TEST).

Activities in which participants learn self-defense mainly through the use of hand-to-hand combat. Judo involves throwing an opponent to the ground while karate (which includes kung fu and tae kwon do) involves kicking and punching an opponent.

Death that occurs as a result of anoxia or heart arrest, associated with immersion in liquid.

Chemical or physical agents that protect the skin from sunburn and erythema by absorbing or blocking ultraviolet radiation.

A measure of relative protection provided by SUNSCREENING AGENTS against burns due to ultraviolet (UV) radiation from a light source.

The means of moving persons, animals, goods, or materials from one place to another.

Personal devices for protection of the eyes from impact, flying objects, glare, liquids, or injurious radiation.

Spontaneous or voluntary recreational activities pursued for enjoyment and accessories or equipment used in the activities; includes games, toys, etc.

Activities or games, usually involving physical effort or skill. Reasons for engagement in sports include pleasure, competition, and/or financial reward.

Beaches, both natural and man-made, used for bathing and other activities.

Elements of residence that characterize a population. They are applicable in determining need for and utilization of health services.

Rhythmic and patterned body movements which are usually performed to music.

A competitive team sport played on a rectangular court having a raised basket at each end.

A large or important municipality of a country, usually a major metropolitan center.

General or unspecified injuries involving the arm.

General or unspecified injuries involving the leg.

A state in southeastern Australia, the southernmost state. Its capital is Melbourne. It was discovered in 1770 by Captain Cook and first settled by immigrants from Tasmania. In 1851 it was separated from New South Wales as a separate colony. Self-government was introduced in 1851; it became a state in 1901. It was named for Queen Victoria in 1851. (From Webster's New Geographical Dictionary, 1988, p1295 & Room, Brewer's Dictionary of Names, p574)

A game in which two parties of players provided with curved or hooked sticks seek to drive a ball or puck through opposite goals. This applies to either ice hockey or field hockey.

An activity in which the body advances at a slow to moderate pace by moving the feet in a coordinated fashion. This includes recreational walking, walking for fitness, and competitive race-walking.

Voluntary use of free time for activities outside the daily routine.

Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.)

The presence of bacteria, viruses, and fungi in water. This term is not restricted to pathogenic organisms.

A group of islands in Polynesia, in the north central Pacific Ocean, comprising eight major and 114 minor islands, largely volcanic and coral. Its capital is Honolulu. It was first reached by Polynesians about 500 A.D. It was discovered and named the Sandwich Islands in 1778 by Captain Cook. The islands were united under the rule of King Kamehameha 1795-1819 and requested annexation to the United States in 1893 when a provisional government was set up. Hawaii was established as a territory in 1900 and admitted as a state in 1959. The name is from the Polynesian Owhyhii, place of the gods, with reference to the two volcanoes Mauna Kea and Mauna Loa, regarded as the abode of the gods. (From Webster's New Geographical Dictionary, 1988, p493 & Room, Brewer's Dictionary of Names, 1992, p2330)

Injuries to the knee or the knee joint.

Physical activity which is usually regular and done with the intention of improving or maintaining PHYSICAL FITNESS or HEALTH. Contrast with PHYSICAL EXERTION which is concerned largely with the physiologic and metabolic response to energy expenditure.

The physical activity of a human or an animal as a behavioral phenomenon.

I'm sorry for any confusion, but "Chicago" is a specific location and a major city in the United States, not a medical term or condition with a defined meaning within the medical field. Therefore, it doesn't have a medical definition in a singular sentence or otherwise. If you have any questions related to healthcare, medicine, or medical terminology, I would be happy to help answer those!

Behaviors expressed by individuals to protect, maintain or promote their health status. For example, proper diet, and appropriate exercise are activities perceived to influence health status. Life style is closely associated with health behavior and factors influencing life style are socioeconomic, educational, and cultural.

Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.

Freedom from exposure to danger and protection from the occurrence or risk of injury or loss. It suggests optimal precautions in the workplace, on the street, in the home, etc., and includes personal safety as well as the safety of property.

The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community.

The performance of the basic activities of self care, such as dressing, ambulation, or eating.

An activity in which the body is propelled through water by specific movement of the arms and/or the legs. Swimming as propulsion through water by the movement of limbs, tail, or fins of animals is often studied as a form of PHYSICAL EXERTION or endurance.

The term "United States" in a medical context often refers to the country where a patient or study participant resides, and is not a medical term per se, but relevant for epidemiological studies, healthcare policies, and understanding differences in disease prevalence, treatment patterns, and health outcomes across various geographic locations.

I'm sorry for any confusion, but "California" is a place, specifically a state on the western coast of the United States, and not a medical term or concept. Therefore, it doesn't have a medical definition.

A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)

Encouraging consumer behaviors most likely to optimize health potentials (physical and psychosocial) through health information, preventive programs, and access to medical care.

The inhabitants of a city or town, including metropolitan areas and suburban areas.

Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data.