Unokukhetha njani ibhola lebhola?

I-Fitball ibizwa enye yeentlobo zeempilo, ngenxa yolu msebenzi, umntu uhamba ngokugqithiseleyo, kwaye uphucula ukulungelelaniswa kwemfudu. Kufuneka kuqatshelwe ukuba i-fitball ibulula kakhulu ukujongana ne-aerobics, umthwalo ungaphantsi. U-Fitball ufanelekile ngebhola. Ukuze iiklasi zilethe uvuyo nokuzonwabisa, kufuneka ukhethe ibhola elifanelekileyo.


Ukuze ukhethe ngokufanelekileyo ibhola, kufuneka ukwazi izidingo eziphambili. Ububanzi bebhola buyahlukahluka: 45, 55, 65, 75 no-85 cm. Kubalulekile ukuqwalasela imigaqo-siseko yokukhetha ibhola kwi-fitball.

Umlinganiselo oyintloko weesampuli yinto ephuma kuyo. Kumele imelane nomthwalo we-150 kg, kwaye ngaphezu kokuba nokuthungqwa komzimba obuninzi. Ipharamitha yesibini ebaluleke kakhulu ubukhulu bhola. Kungcono ukuba ibhola imelane nomthwalo we-300 kg, kodwa ngaphandle kwalokhu, xa umntu ehleli kuyo, i-angle eyi-90-100 ye-degree kufanele yenziwe phakathi kwentloko kunye ne-shin.

Ndiyabulela kule ndawo yokutyala, i-posture echanekileyo igcinwa. Ukuba kukho i-angle ekhangayo phakathi kwethanga kunye ne-shin esihlalweni kwibhola, ngoko ngezifo ezinjenge-varicosity okanye i-arthritis, imiphumo emibi ingenzeka, ekubeni le ndlela yokunyusa iwandisa umthwalo kumalungu, iya kubachaphazela nabafazi abakhulelweyo. Ukongezelela, kubalulekile ukugxila ekukhuleni xa ukhetha ibhola, ukuba ubude bungaphantsi kwe-154 cm, ngoko ububanzi bebhola kufuneka bube ngu-45 cm; Indoda enokuphakama kwe-155-169 cm iya kufana nebhola ngobubanzi be-55 cm, ukwanda kwe-170-185 cm kufana nebhola enobubanzi obuyi-65 cm; kunye nokwanda kwee-186 cm kufuneka ubeke ukhetho lwakho kwiibhola nge diameter ka-75-85 cm.

Omnye umlinganiselo obalulekileyo wokufaneleka kwebhola kwi-fitball ubude besandla:

Ziziphi iimpawu zebhola ye-fitball

Elasticity. Ukuba usicinezela ngephondo ibhola ngesandla sakho, isundu kufuneka siphumelele, kwaye ungangeni kwibhola uze udibane nokuqinela okunamandla. Ukuze uhlolisise umgangatho wezinto ezivela kuyo ibhola, kuyimfuneko ukuba "uyigqubuthele", ukuba emva kwalolu nyathelo ibhola ibunjwa kwibhola, kunokugqitywa ukuba ibhola lenziwe ngezinto eziphantsi kwexabiso. Ukuba ibhola yenziwe ngempahla ephezulu, ngoko kufuneka ibe yiplastiki kwaye emva kokuphefumula okupheleleyo ukubuyisela isimo sayo sokuqala, i-creases ebusweni akufanele ifake.

Amandla. Umqathango obalulekileyo ekukhetheni ibhola yomelela yento eyenziwe kuyo. Kungenxa yamandla ebhola ezinzileyo, inezakhiwo ezikhulayo, oku kuthetha ukuba kusebenza. Ukuvelisa iibhola eziphezulu, i-rubber enamandla. Iibhola ezinjalo ziyakwazi ukumelana nemithwalo ukusuka kwi-300 kg ukuya kwiitoni ezi-1. Kwiiklasi kunye nabantwana, iibhola kunye neprogram ye-ABS ye-ABS iyafaneleka kakhulu.

Ifomu. Ukuba ibhola inomgangatho omhle, ke onke amanxube ayabonakali kwaye ayabonakali xa eqhuba. Ukuba ibhola ingumgangatho omncinci, ke zonke iindawo ezibonakalayo zibonakalayo kwaye zithengiswa, ngaphezu koko, ubuqili kunye ne-burrs, isakhiwo siyi-fibrous. Konke oku kubonisa ukuba ngexesha lokuveliswa kwebhola, amaphutha ezobuchwepheshe okanye amaxwebhu ayengaphathwa kakuhle.

Ukuba ibhola yenziwe ngekhwalithi , i- ingxube ikhutshwe ngokukhuselekileyo ngaphakathi . Eklasini akaphazamisi, unako ukuphumla kwiphephethi, ngaphandle kokulimaza umntu ochaphazelekayo kule bhola. Ukuba ibhola iyinyumba, i-nipple iqhubela ngaphandle, ayisoloko ithengiswa ngaphandle, kodwa imane ifakwe kwi-blu. Ubume bhola abuyinto engavamile, ngenxa yokuba ingono ikhusela kwaye inokulimaza umntu osebenzisa ibhola.

Izakhiwo ze-Electrostatic. Ukuba iibhola eziphezulu ziyimpawu eziphathekayo zeendawo ezichasayo, uhlambulule umphezulu webhola enjalo kulula. Njengomthetho, i-hypoallerggenic material friendly friendly is selected for the production of ball quality, ibhola enjalo ayiyi kubangela ingozi kwimpilo. Ibhola yezinto eziphathekayo ezingamakhangeli zingamatheli kumdaka kunye neengcambu ezincinci zothuli.

Ubuso obubi. Ibhola yezinto eziphathekayo zigcina ubushushu, kunye nomgangatho ombi - kwiqanda elibandayo. Ukongezelela, ama-counterfeits amaninzi ayanamathele kwaye anqabile, ukwenza ukuqeqeshwa okunjalo kwiibhola ezinzima kunzima kakhulu. Eyona nto ibaluleke kakhulu ukunyamekela ingqalelo ibhola lebhola, ukuba kuyimfuneko ukusebenza kumntwana, kuba ibhola elingamanga umntwana akakwazi ukuzenza.

Umbala webhola. Imibala yeebhola zekhwalithi ingahluka: imbala emnyama, elula, ebonakalayo, enemibala, kunye nemifanekiso eyahlukileyo, njl.; ukuba ibhola ingamanga, ngoko umbala wayo, njengommiselo, uhluka kwi-milkmaid-iridescent ye-phosphorous-poisonous-iridescent.

Okwangoku, kukho abavelisi abathathu ababandakanyekayo ekwenzeni ibhola kwiindidi ezahlukeneyo zokuzilolonga: I-TOGU (eJamani), i-LEDRAPLASTIC (i-Italy), i-REEBOK.

Ukukhetha ukhetho lwezempilo

I-Fitball yenye yeendidi zenyama, ngoku iyakuthi ithandwa kakhulu. Umntu obandakanyekayo kulo msebenzi uba mkhulu kakhulu kwaye ulungelelaniso lwakhe lokuhamba luphucula. Ngomthwalo omncinci kumzimba, i-fitball inika umphumo omuhle. Njengoko kuchazwe ngasentla, ukhetho lwebhola lubaluleke kakhulu ekudlaleni umdlalo. Kufuneka ukwazi iimfuno eziphambili, ezibhekele ibhola ye-fitball.

Ngombulelo kwibhola efanelwe kakuhle unokuyonwabela ngokupheleleyo umgangatho we-fitball. Lo mboniso uquka iiklasi kunye nebhola, kuya kufuneka uhlale, uxoke kwaye wenze ezinye izinto ezininzi. Ekubeni ibhola e-fitbole idlala indima ephambili, kuyafaneleka ukubeka ingqalelo kumgangatho wayo. Kufuneka kukhunjulwe ukuba umthwalo omncinane ibhola kufuneka ukuxhaswa ngu-150 kg.

Kufuneka kukhunjulwe ukuba ubunzima bomntu obamba ibhola, umthwalo omkhulu kwibhola ngokwawo. Ibhola lomgangatho kufuneka libambe. Eyona nto ibhetele phakathi kweebhola eziphezulu kukuba abo baxhotyiswe kwinkqubo yokuchasana. Njengomgaqo, ubukho benkqubo enjalo luchonge ngokukhethekileyo kwibhola. Ngokomzekelo, i-Anti-BurstSystem (inkqubo yokulwa nephulo) okanye i-Quality Resistant Quality (ikhwalithi echasayo). Kwibhola, exhotyiswe yinkqubo enjalo, kukho iingu-ABS okanye i-BRQ.

Ukuze ukhethe ibhola eliphezulu, kufuneka ukhangele xa uthenge. Ukwenza oku, ukwanele ukuba uhlale kuyo, kufuneka ubeke isikhundla esifana nesihlalo, ukufumana ama-angles angama-90 kwi-trunk kunye nomlenze, umlenze kunye nomlenze ongezantsi, i-shin neenyawo. Ukuba i-angle efanelekileyo ifunyenwe, oko kubonisa ukuba amajoyina anomthwalo okwandisiweyo. Njengoko kuchazwe ngasentla, umthwalo owongezelelweyo kumalungu unqatshelwe kubantu abaneesifo ezifana nemivilini ye-varicose, i-arthritis. Ukukhulelwa kubangela ukuba uxinzelelo olongezelelweyo kumalungu, ukuqhuba ibhola lokukhubeka kuyaphikisana.

Iibhola ze-fitbola ziza ngobukhulu obuhlukeneyo. Ukuze ufumane eyona nto ifanelekileyo kuwe, kufuneka ugxininise ekukhuleni kwakho. Kufuneka kukhunjulwe ukuba ukuba ibhola ithathwa ngokungalunganga, ngoko ngexesha lokufunda unokufumana ukulimala okungathandekiyo.

I-elasticity yebhola enye iparameter ebalulekileyo. Ngokukodwa ukususela kwinqwelo yokunyuka komthwalo, umthwalo unyuke, ukwenzela ukuba ugcine ibhalansi kwibhola enjalo kubalulekile ukuba usebenze, ukuba ibhola ithambileyo, ngoko umthwalo awukho mkhulu, kodwa amandla asetshenzisiwe. Ukuba ukunyaniseka kwebhola kwanda, imisipha iya kuqeqesha ngokuphakama okukhulu, ngoncedo lwebhola elithambileyo, uqeqesho lwabo luyenzeka, kodwa aluyi kuhlaziywa. Ibhola ye-elasticity ephakathi kufuneka iguqulwe ngu-2-3 cm kunye noxinzelelo oluncinane.

Zonke iikhrayitheriya ezingentla ziyimfuneko xa ukhetha ibhola, ezinye zixhomekeke kwinqabileyo kunye neminqweno, ngubani oya kusebenza kuyo. Ngokomzekelo, unokhetho olukhawulezayo okanye ibhola. Iibhola ezincinci zikhethwa ngabafazi abakhulelweyo, kunye neeklasi kunye neentsana. Ibhola edibeneyo ibizwa ngokuba ibhola lokusila, ngelixa uthabatha imifanekiso, uhlobo oluthile lokusilalisa luvela, ngenxa yokuba ubungqina bomhlaba buhlanganiswe neepikki ezincinci. Iibhola ezinjalo ziya kunceda ukuphumla kwaye zizona zifanelekileyo ezifanelekileyo ukuqhuba ibhola ye-fitball.

Kukho iibhola, ezixhotywe ngezandla zokubamba. Zizona ezifanelekileyo kakhulu kubafazi abakhulelweyo, kuba abo baqala ukubandakanya kwi-fitball kunye nabantwana. Ngombulelo kwimiguqo yokulawulwa kwemibutho kulula ukuyilungisa, ibhola iba "yomelele". I-Minusemakih iibhola kukuba ukuzivocavoca kwenziwa kancinci, kodwa banceda ukuphepha ukulimala.

Iibhola ze-fitball zifumaneka kwiindidi ezahlukahlukeneyo. Umbala webhola ngowona khetho lomntu ngamnye. Kungekudala kuye kwaphawula ukuba umbala oqaqambileyo unceda ukubandakanya ngokunyanisekileyo, kuphucula isimo sengqondo kunye nesimo somzimba. Kukho uluhlu lwabadlali, apho kubalulekile ukuba umbala webhola ulungele ngaphakathi.

Kufuneka kukhunjulwe ukuba ibhola iyadingeka ekuqeqesheni, kwaye kufuneka isetyenziswe rhoqo ngangokunokwenzeka. Ukongezelela, jongene nomhlaba ogqithiseleyo, ukhusele ekutshiseni kwaye ungayigcina kwifomu evulekile. Ukuthobela le miyalelo elula kuya kwandisa ubomi bhola.