Tennis hay c\u00f2n g\u1ecdi l\u00e0 qu\u1ea7n v\u1ee3t hi\u1ec7n nay l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n th\u1ec3 thao r\u1ea5t ph\u00e1t tri\u1ec3n v\u1edbi nhi\u1ec1u v\u1eadn \u0111\u1ed9ng vi\u00ean n\u1ed5i ti\u1ebfng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. V\u1eady khi thi \u0111\u1ea5u tennis c\u00f3 nh\u1eefng lu\u1eadt g\u00ec, h\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u v\u1ec1 lu\u1eadt thi \u0111\u1ea5u tennis nh\u00e9.<\/strong><\/p>\n Tennis hay c\u00f2n g\u1ecdi l\u00e0 qu\u1ea7n v\u1ee3t l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n th\u1ec3 thao kh\u00e1 ph\u00e1t tri\u1ec3n hi\u1ec7n nay, khi thi \u0111\u1ea5u c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean s\u1eed d\u1ee5ng v\u1ee3t \u0111\u1ec3 \u0111\u00e1nh m\u1ed9t qu\u1ea3 b\u00f3ng cao su tr\u00f2n qua s\u00e2n \u0111\u1ed1i ph\u01b0\u01a1ng \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi m\u1ed9t t\u1ea5m l\u01b0\u1edbi gi\u1eef 2 s\u00e2n.<\/p>\n Ng\u01b0\u1eddi ch\u01a1i tennis \u0111\u00f2i h\u1ecfi l\u00e0 ng\u01b0\u1eddi c\u00f3 s\u1ee9c kh\u1ecfe \u0111\u1ec3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng 2 m\u1eb7t c\u1ee7a v\u1ee3t \u0111\u1ec3 \u0111\u00e1nh banh sao cho v\u1eeba \u0111\u1ee7 \u0111\u1ec3 qua b\u00ean l\u01b0\u1edbi b\u00ean kia \u0111\u1ed1i ph\u01b0\u01a1ng.<\/p>\n Trong thi \u0111\u1ea5u tennis c\u00f3 c\u00e1c th\u1ec3 th\u1ee9c thi \u0111\u1ea5u \u0111\u01a1n hay \u0111\u00f4i. S\u00e2n thi \u0111\u1ea5u tennis c\u0169ng r\u1ea5t \u0111a d\u1ea1ng nh\u01b0 s\u00e2n thi \u0111\u1ea5u c\u1ecf, s\u00e2n c\u1ee9ng, s\u00e2n \u0111\u1ea5t s\u00e9t v\u00e0 s\u00e2n tr\u1ea3i th\u1ea3m.<\/p>\n S\u00e2n thi \u0111\u1ea5u tennis \u0111\u00fang theo lu\u1eadt quy \u0111\u1ecbnh l\u00e0 s\u00e2n h\u00ecnh ch\u1eef nh\u1eadt v\u1edbi chi\u1ec1u d\u00e0i 23,77m v\u00e0 chi\u1ec1u r\u1ed9ng 8,23m. L\u01b0\u1edbi \u0111\u01b0\u1ee3c c\u0103ng \u1edf ch\u00ednh gi\u1eefa, chia s\u00e2n th\u00e0nh hai ph\u1ea7n \u0111\u1ec1u nhau. \u0110\u01b0\u1ee3c bu\u1ed9c b\u1eb1ng m\u1ed9t s\u1ee3i d\u00e2y th\u1eebng hay kim lo\u1ea1i v\u00e0o 2 c\u1ed9t l\u01b0\u1edbi hai b\u00ean s\u00e2n.<\/p>\n S\u00e2n ph\u1ea3i c\u00f3 \u0111\u01b0\u1eddng bi\u00ean ph\u00e2n bi\u1ec7t gi\u1edbi h\u1ea1n thi \u0111\u1ea5u r\u00f5 r\u00e0ng \u0111\u00f3 l\u00e0 \u0111\u01b0\u1eddng bi\u00ean ngang cu\u1ed1i s\u00e2n v\u00e0 \u0111\u01b0\u1eddng bi\u00ean d\u1ecdc s\u00e2n. \u0110\u01b0\u1eddng giao b\u00f3ng c\u00e1ch l\u01b0\u1edbi 6.4m.<\/p>\n Nh\u1eefng \u0111\u01b0\u1eddng k\u1ebb v\u1ea1ch tr\u00ean s\u00e2n ph\u1ea3i c\u00f9ng m\u1ed9t m\u00e0u c\u00f3 k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u l\u00e0 2.5cm v\u00e0 t\u1ed1i \u0111a l\u00e0 5cm. \u0110\u01b0\u1eddng cu\u1ed1i s\u00e2n c\u00f3 th\u1ec3 r\u1ed9ng 10cm.<\/p>\n Lu\u1eadt thi \u0111\u1ea5u tennis quy \u0111\u1ecbnh tr\u00ean s\u00e2n thi \u0111\u1ea5u c\u1ea7n ph\u1ea3i c\u00f3 l\u01b0\u1edbi, c\u1ed9t l\u01b0\u1edbi, d\u00e2y c\u0103ng l\u01b0\u1edbi, c\u1ed9t ch\u1ed1ng, c\u1ea1p l\u01b0\u1edbi, t\u01b0\u1eddng bao s\u00e2n, b\u1eadc ng\u1ed3i, gh\u1ebf tr\u1ecdng t\u00e0i v\u00e0 gh\u1ebf c\u1ed1 \u0111\u1ecbnh cho v\u1eadn \u0111\u1ed9ng vi\u00ean.<\/p>\n Nh\u1eefng th\u1ee9 kh\u00e1c tr\u00ean s\u00e2n thi \u0111\u1ea5u khi gi\u1eef \u0111\u00fang v\u1ecb tr\u00ed c\u0169ng \u0111\u01b0\u1ee3c xem l\u00e0 thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh nh\u01b0 tr\u1ecdng t\u00e0i ch\u00ednh, tr\u1ecdng t\u00e0i bi\u00ean, ng\u01b0\u1eddi nh\u1eb7t b\u00f3ng.<\/p>\n Trong m\u1ed9t s\u1ed1 tr\u1eadn \u0111\u1ea5u quan tr\u1ecdng s\u1ebd c\u00f3 t\u1edbi 12 tr\u1ecdng t\u00e0i.<\/p>\n B\u00f3ng d\u00f9ng trong thi \u0111\u1ea5u tennis ph\u1ea3i c\u00f3 b\u1ec1 m\u1eb7t ngo\u00e0i gi\u1ed1ng nhau, b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp n\u1ec9 v\u00e0 c\u00f3 m\u00e0u v\u00e0ng ho\u1eb7c tr\u1eafng. N\u1ebfu c\u00f3 \u0111\u01b0\u1eddng ch\u1eafp n\u1ed1i th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 l\u1ed9 m\u0169i kh\u00e2u. B\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thi \u0111\u1ea5u c\u00f3 \u0111\u01b0\u1eddng k\u00ednh t\u1eeb 6,35 cm \u0111\u1ebfn 6,67cm,\u00a0 tr\u1ecdng l\u01b0\u1ee3ng n\u1eb1m trong kho\u1ea3ng t\u1eeb 56g t\u1edbi 59,4g v\u00e0 \u0111\u1ed9 n\u1ea3y n\u1eb1m trong kho\u1ea3ng t\u1eeb 134,62cm \u0111\u1ebfn 147,62cm khi th\u1ea3 t\u1eeb \u0111\u1ed9 cao 254cm xu\u1ed1ng.<\/p>\n \u0110\u1ed1i v\u1edbi v\u1ee3t d\u00f9ng trong thi \u0111\u1ea5u tennis c\u00f3 nh\u1eefng y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh:<\/p>\n M\u1eb7t l\u01b0\u1edbi ph\u1ea3i l\u00e0 m\u1ed9t m\u1eb7t ph\u1eb3ng, d\u00e2y \u0111\u01b0\u1ee3c c\u0103ng v\u00e0o khung theo \u0111\u00fang ti\u00eau chu\u1ea9n m\u1ed9t s\u1ee3i tr\u00ean m\u1ed9t s\u1ee3i d\u01b0\u1edbi. D\u00e2y v\u1ee3t kh\u00f4ng \u0111\u01b0\u1ee3c bu\u1ed9c th\u00eam hay c\u00f3 n\u00fat l\u1ed3i ra ngo\u00e0i khung v\u1ee3t hay s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u01a1n l\u1ebb nh\u1eb1m h\u1ea1n ch\u1ebf, \u0111\u1ec1 ph\u00f2ng \u0111\u1ee9t hay rung v\u1ee3t.\u00a0 V\u00e0 ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang m\u1ed9t ki\u1ec3u \u0111an d\u00e2y tr\u00ean m\u1eb7t v\u1ee3t.<\/p>\n T\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a v\u1ee3t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 73,66 cm, chi\u1ec1u r\u1ed9ng t\u1ed1i \u0111a kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 31,75 cm. M\u1eb7t l\u01b0\u1edbi kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 39,37 cm chi\u1ec1u d\u00e0i v\u00e0 29,21 cm chi\u1ec1u r\u1ed9ng.<\/p>\n Sau khi ph\u00e2n chia ph\u1ea7n s\u00e2n thi \u0111\u1ea5u cho 2 b\u00ean, tay v\u1ee3t n\u00e0o \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng \u0111\u1ea7u ti\u00ean g\u1ecdi alf ng\u01b0\u1eddi giao b\u00f3ng v\u00e0 b\u00ean c\u00f2n l\u1ea1i l\u00e0 ng\u01b0\u1eddi \u0111\u1ee1 b\u00f3ng.<\/p>\n Trong m\u1ed9t tr\u1eadn thi \u0111\u1ea5u tennis, tr\u1ecdng t\u00e0i ch\u00ednh s\u1ebd d\u00f9ng \u0111\u1ed3ng xu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ai l\u00e0 ng\u01b0\u1eddi ch\u1ecdn s\u00e2n v\u00e0 ai l\u00e0 ng\u01b0\u1eddi giao b\u00f3ng. Ng\u01b0\u1eddi chi\u1ebfn th\u1eafng trong cu\u1ed9c b\u1ed1c th\u0103m s\u1ebd \u0111\u01b0\u1ee3c quy\u1ec1n ch\u1ecdn s\u00e2n ho\u1eb7c giao b\u00f3ng v\u00e0 c\u0169ng c\u00f3 th\u1ec3 nh\u01b0\u1ee3ng quy\u1ec1n cho \u0111\u1ed1i th\u1ee7.<\/p>\n Ng\u01b0\u1eddi giao b\u00f3ng ph\u1ea3i \u0111\u1ee9ng c\u1ea3 2 ch\u00e2n ph\u00eda ngo\u00e0i \u0111\u01b0\u1eddng bi\u00ean cu\u1ed1i s\u00e2n, khi giao b\u00f3ng s\u1ebd n\u00e9m b\u00f3ng l\u00ean cao v\u00e0 \u0111\u00e1nh qua s\u00e2n \u0111\u1ed1i ph\u01b0\u01a1ng tr\u01b0\u1edbc khi ch\u1ea1m \u0111\u1ea5t.<\/p>\n Ng\u01b0\u1eddi giao b\u00f3ng kh\u00f4ng \u0111\u01b0\u1ee3c di chuy\u1ec3n ra kh\u1ecfi v\u1ecb tr\u00ed giao b\u00f3ng nh\u01b0ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 \u0111\u1ed9ng t\u00e1c nh\u1ecf \u0111\u1ec3 t\u0103ng l\u1ef1c ph\u00e1t b\u00f3ng.<\/p>\n Tr\u00ecnh t\u1ef1 giao b\u00f3ng s\u1ebd b\u1eaft \u0111\u1ea7u t\u1eeb b\u00ean ph\u1ea3i qua b\u00ean tr\u00e1i c\u1ee7a s\u00e2n thi \u0111\u1ea5u, l\u00fac b\u1eaft \u0111\u1ea7u tr\u1eadn \u0111\u1ea5u s\u1ebd giao b\u00f3ng \u1edf b\u00ean ph\u1ea3i.<\/p>\n Khi giao b\u00f3ng ph\u1ea3i \u0111\u00e1nh b\u00f3ng v\u00e0o \u00f4 giao b\u00f3ng ch\u00e9o v\u1edbi v\u1ecb tr\u00ed \u0111\u1ee9ng giao b\u00f3ng hay c\u00e1c v\u00e1ch c\u1ee7a \u00f4 giao b\u00f3ng tr\u01b0\u1edbc khi \u0111\u1ed1i th\u1ee7 tr\u1ea3 b\u00f3ng l\u1ea1i.<\/p>\n Giao b\u00f3ng b\u1ecb t\u00ednh l\u00e0 ph\u1ea1m l\u1ed7i khi:<\/p>\n Vi ph\u1ea1m lu\u1eadt giao b\u00f3ng v\u00e0 trinh t\u1ef1 giao b\u00f3ng<\/p>\n \u0110\u00e1nh kh\u00f4ng tr\u00fang b\u00f3ng khi b\u00f3ng \u0111\u00e3 \u0111\u01b0\u1ee3c tung l\u00ean<\/p>\n Ch\u1ea1m nh\u1eefng thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh tr\u00ean s\u00e2n khi b\u00f3ng ch\u01b0a ch\u1ea1m \u0111\u1ea5t<\/p>\n Giao b\u00f3ng ra ngo\u00e0i s\u00e2n<\/p>\n C\u00e1ch t\u00ednh \u0111i\u1ec3m trong tennis \u0111\u01b0\u1ee3c t\u00ednh theo th\u1ee9 t\u1ef1\u00a0 0 \u2013 15 \u2013 30 \u2013 40.<\/p>\n Ng\u01b0\u1eddi d\u00e0nh chi\u1ebfn th\u1eafng l\u00e0 ng\u01b0\u1eddi \u0111\u1ea1t 4 \u0111i\u1ec3m avf c\u00f3 2 \u0111i\u1ec3m c\u00e1ch bi\u1ec7t v\u1edbi \u0111\u1ed1i th\u1ee7.<\/p>\n Tr\u00ean b\u00e0i vi\u1ebft l\u00e0 th\u00f4ng tin v\u1ec1 b\u1ed9 m\u00f4n th\u1ec3 thao tennis c\u0169ng nh\u01b0 lu\u1eadt thi \u0111\u1ea5u tennis m\u00e0 qu\u00fd b\u1ea1n \u0111\u1ecdc \u0111ang t\u00ecm ki\u1ebfm \u0111\u1ec3 th\u1ecfa m\u00e3n t\u00ednh t\u00f2 m\u00f2 c\u1ee7a m\u00ecnh v\u1ec1 b\u1ed9 m\u00f4n th\u1ec3 thao n\u00e0y.<\/p>\n Ch\u00fac b\u1ea1n \u0111\u1ecdc b\u00e0i vi\u1ebft vui v\u1ebb!<\/p>\n","protected":false},"excerpt":{"rendered":" Tennis hay c\u00f2n g\u1ecdi l\u00e0 qu\u1ea7n v\u1ee3t hi\u1ec7n nay l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n th\u1ec3 thao r\u1ea5t ph\u00e1t tri\u1ec3n v\u1edbi nhi\u1ec1u v\u1eadn \u0111\u1ed9ng vi\u00ean n\u1ed5i ti\u1ebfng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. V\u1eady khi thi \u0111\u1ea5u tennis c\u00f3 nh\u1eefng lu\u1eadt g\u00ec, h\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u v\u1ec1 lu\u1eadt thi \u0111\u1ea5u tennis nh\u00e9. T\u1ed5ng quan v\u1ec1 b\u1ed9 m\u00f4n […]<\/p>\n","protected":false},"author":2,"featured_media":405,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9],"class_list":["post-380","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-thao","tag-the-thao"],"blocksy_meta":"","featured_image_urls":{"full":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1.webp",600,414,false],"thumbnail":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1-150x150.webp",150,150,true],"medium":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1-300x207.webp",300,207,true],"medium_large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1.webp",600,414,false],"large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1.webp",600,414,false],"1536x1536":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1.webp",600,414,false],"2048x2048":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2022\/11\/luat-thi-dau-tennis-1.webp",600,414,false]},"post_excerpt_stackable":" Tennis hay c\u00f2n g\u1ecdi l\u00e0 qu\u1ea7n v\u1ee3t hi\u1ec7n nay l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n th\u1ec3 thao r\u1ea5t ph\u00e1t tri\u1ec3n v\u1edbi nhi\u1ec1u v\u1eadn \u0111\u1ed9ng vi\u00ean n\u1ed5i ti\u1ebfng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. V\u1eady khi thi \u0111\u1ea5u tennis c\u00f3 nh\u1eefng lu\u1eadt g\u00ec, h\u00e3y c\u00f9ng ch\u00fang t\u00f4i t\u00ecm hi\u1ec3u v\u1ec1 lu\u1eadt thi \u0111\u1ea5u tennis nh\u00e9. T\u1ed5ng quan v\u1ec1 b\u1ed9 m\u00f4n tennis Tennis hay c\u00f2n g\u1ecdi l\u00e0 qu\u1ea7n v\u1ee3t l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n th\u1ec3 thao kh\u00e1 ph\u00e1t tri\u1ec3n hi\u1ec7n nay, khi thi \u0111\u1ea5u c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean s\u1eed d\u1ee5ng v\u1ee3t \u0111\u1ec3 \u0111\u00e1nh m\u1ed9t qu\u1ea3 b\u00f3ng cao su tr\u00f2n qua s\u00e2n \u0111\u1ed1i ph\u01b0\u01a1ng \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi…<\/p>\n","category_list":"Th\u1ec3 thao<\/a>","author_info":{"name":"admin2","url":"https:\/\/unicef2014appeal.org\/author\/admin2\/"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/380","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/comments?post=380"}],"version-history":[{"count":1,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/380\/revisions"}],"predecessor-version":[{"id":407,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/380\/revisions\/407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media\/405"}],"wp:attachment":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media?parent=380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/categories?post=380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/tags?post=380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}T\u1ed5ng quan v\u1ec1 b\u1ed9 m\u00f4n tennis<\/strong><\/h1>\n
Lu\u1eadt thi \u0111\u1ea5u tennis<\/strong><\/h2>\n
Lu\u1eadt s\u00e2n thi \u0111\u1ea5u tennis<\/strong><\/h3>\n
Lu\u1eadt v\u1ec1 thi\u1ebft b\u1ecb tr\u00ean s\u00e2n tennis<\/strong><\/h3>\n
Quy \u0111\u1ecbnh v\u1ec1 qu\u1ea3 b\u00f3ng d\u00f9ng trong thi \u0111\u1ea5u tennis<\/strong><\/h3>\n
Quy \u0111\u1ecbnh v\u1ec1 v\u1ee3t thi \u0111\u1ea5u<\/strong><\/h3>\n
Lu\u1eadt v\u1ec1 giao v\u00e0 \u0111\u1ee1 b\u00f3ng<\/strong><\/h3>\n
Quy \u0111\u1ecbnh v\u1ec1 ch\u1ecdn s\u00e2n v\u00e0 giao b\u00f3ng<\/strong><\/h3>\n
Lu\u1eadt giao b\u00f3ng tennis<\/strong><\/h3>\n
Quy \u0111\u1ecbnh v\u1ec1 qu\u00e1 tr\u00ecnh t\u1ef1 giao b\u00f3ng<\/strong><\/h3>\n
Nh\u1eefng quy \u0111\u1ecbnh v\u1ec1 ph\u1ea1m l\u1ed7i giao b\u00f3ng<\/strong><\/h3>\n
Lu\u1eadt t\u00ednh \u0111i\u1ec3m trong thi \u0111\u1ea5u tennis<\/strong><\/h2>\n