Common (a)   .

This happens due to  the high amount of repetitive movements during different  strokes.

All  of  these  can  be  caused  by  a  combination  of  different things like:

• Lack of proper rest between swimming sessions.

• Bad stroke technique.

• Poor breathing technique.

• Poor  conditioning  and  strength  of  the  core,  hips,  and  shoulders.

Risk of (a)   .

• Although swimming in a pool can be a lot safer, swimming in open waters can be quite dangerous. The danger comes  from the currents and the lack of familiarity and experience with how  underwater currents interact with our bodies.

People (a)   in the  Pools

• It is a well-known problem that many people do pee in  the water, and this can cause some health problem too, like asthma and other respiratory problems, Moreover, if  chlorine  drops below certain levels, it might  not provide adequate  protection as a disinfectant.

Undesired (a)   Gain.

• It was  discovered by scientist that swimming in  colder, compared  to warmer water, leads  to higher levels of perceived hunger.

• This led to the participants who swam in the  colder water to consume as much as 44%  more calories. This result was despite their  caloric expenditure being relatively the same  as the participants swimming in warmer water.

(a)   Infection

• It is another common  disadvantage of swimming. A common type of  this amongst swimmers is athlete’s  foot; it is highly contagious, and it can spread  quickly. Another concern is the possibility for a yeast  infection, especially for women, which  is  caused by a combination of the swimming  water, high humidity, and heat.

(a)  

• Swimming is quite an intensive exercise that requires the use of all your  major muscles. As a result, this causes you to sweat and lose fluids, just  like other types of intense exercises. However, since you are underwater, it  is hard to notice and feel that you are sweating.

(a)   Infections

• A common infection of this is the  swimmer’s ear. It usually develops  when water stays in the ear canal for a  long time. This gives bacteria a chance  of developing, and as a result,  infecting the skin of your ears.

(a)   Swimming

• Swimming in the season, for many of us,  is often out of the question. Especially  swimming in oceans, rivers or lakes.  Swimming in cold water can affect us in  several dangerous ways. It can potentially  cause: Hypothermia, Sudden heart attack, Loss of capacity to swim and Hyperventilation.

(a)   Water

• There is always the risk of swimming in  waters that are polluted with animal and  human waste, trash, germs,  and more.  Swimming area that are near  any industrial plants, sewer water treatment  plants, or wastewater discharge points is  extremely unsafe and should be avoided.

• It can cause different health complications  like infections of the skin, eyes, ears, stomach, the respiratory system, and of any  open  wounds.

Bumping into (a)   Objects

• Especially while swimming in open water, it might be very easy to bump into different sorts of rocks and sea  creatures.

• If you are swimming in shallow waters, it might be  possible to hit your legs or hands on sharp rocks or  step on seashells. Although it might not lead to a  severe injury, this can cause  some bruises and  wounds.

Another risk of swimming is that you may  experience (a)   . They can happen due  to three main reasons depending on your  own frequency of swimming, lifestyle, and  way of swimming. It usually occurs because of: Loss of electrolytes and dehydration, too much swimming and lack of proper conditioning.

Sun (a)  

• Last but definitely not the least is the increased in this exposure while swimming. If you  are  swimming in an outdoor pool or in open waters,  you will probably be under the sun most of the  time.

• Water will provide you with a cooling effect  that will mask the fact that your skin is being  subjected to the unrelenting  sunrays. In  addition, this can lead to severe sunburns; not  to mention the growing skin cancer cases.