Tennis l\u00e0 m\u1ed9t b\u1ed9 m\u00f4n th\u1ec3 thao ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay b\u1edfi s\u1ef1 m\u1edbi m\u1ebb v\u1ec1 h\u00ecnh th\u1ee9c, c\u00f9ng c\u00e1ch ch\u01a1i \u0111a d\u1ea1ng. Tuy nhi\u00ean c\u0169ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi m\u1ed9t s\u1ed1 lu\u1eadt tennis khi tham gia, m\u00e0 ng\u01b0\u1eddi m\u1edbi c\u1ea7n n\u1eafm b\u1eaft tr\u01b0\u1edbc khi tham gia, tr\u00e1nh vi ph\u1ea1m trong qu\u00e1 tr\u00ecnh di\u1ec5n ra tr\u1eadn \u0111\u1ea5u v\u00ec kh\u00f4ng hi\u1ec3u lu\u1eadt. H\u00f4m nay unicef2014appeal.org s\u1ebd mang \u0111\u1ebfn cho c\u00e1c b\u1ea1n nh\u1eefng \u0111i\u1ec1u lu\u1eadt d\u00f9ng trong b\u1ed9 m\u00f4n tennis n\u00e0y.<\/p>\n
\u0110\u1ea7u ti\u00ean ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u qua b\u1ed9 m\u00f4n tennis hay c\u00f2n g\u1ecdi l\u00e0 qu\u1ea7n v\u1ee3t, m\u1ed9t lo\u1ea1i h\u00ecnh ch\u01a1i th\u1ec3 thao \u0111\u00f2i h\u1ecfi s\u1ef1 v\u1eadn \u0111\u1ed9ng, t\u00e1c \u0111\u1ed9ng l\u1ef1c \u0111\u00e1nh l\u00ean v\u1ee3t \u0111\u1ec3 \u0111\u01b0a banh qua l\u01b0\u1edbi \u0111\u1ed1i th\u1ee7. \u0110\u01b0\u1ee3c ra \u0111\u1eddi v\u00e0o th\u1ebf k\u1ef7 12 t\u1eeb n\u01b0\u1edbc Ph\u00e1p d\u1ea7n d\u1ea7n ph\u1ed5 bi\u1ebfn \u1edf c\u00e1c n\u01b0\u1edbc Ch\u00e2u \u00c2u \u0111\u1ebfn ch\u00e2u \u00c1. B\u00ean c\u1ea1nh \u0111\u00f3 b\u1ed9 m\u00f4n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t trong nh\u1eefng m\u00f4n th\u1ec3 thao \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n
Hi\u1ec7n t\u1ea1i tennis \u0111ang l\u00e0 b\u1ed9 m\u00f4n nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u s\u1ef1 quan t\u00e2m, v\u00ec b\u1ea1n d\u1ec5 d\u00e0ng l\u1ef1a ch\u1ecdn ch\u01a1i \u0111\u01a1n ho\u1eb7c ch\u01a1i 2 ng\u01b0\u1eddi v\u1edbi nhi\u1ec1u lo\u1ea1i h\u00ecnh s\u00e2n kh\u00e1c nhau. Th\u00f4ng th\u01b0\u1eddng tr\u00ean b\u00e0n thi \u0111\u1ea5u s\u1ebd c\u00f3 1 t\u1ea5m l\u01b0\u1edbi d\u00e0i \u0111\u01b0\u1ee3c c\u0103ng song song chia \u0111\u00f4i 2 s\u00e2n c\u1ee7a 2 \u0111\u1ed9i ch\u01a1i, ng\u01b0\u1eddi ch\u01a1i s\u1ebd \u0111\u01b0a banh qua l\u01b0\u1edbi \u0111\u1ebfn khi \u0111\u1ed1i th\u1ee7 kh\u00f4ng \u0111\u1ee1 \u0111\u01b0\u1ee3c th\u00ec ghi b\u00e0n.<\/p>\n
\u0110\u1ec3 ch\u01a1i t\u1ed1t m\u00f4n th\u1ec3 thao n\u00e0y, b\u1ea1n c\u1ea7n n\u1eafm r\u00f5 v\u1ec1 lu\u1eadt tennis c\u01a1 b\u1ea3n khi m\u1edbi b\u1eaft \u0111\u1ea7u tham gia, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c th\u00f4ng tin quy \u0111\u1ecbnh v\u1ec1 s\u00e2n thi \u0111\u1ea5u, s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi ch\u01a1i, lo\u1ea1i b\u00f3ng, thi\u1ebft b\u1ecb,…t\u1eeb \u0111\u00f3 m\u1edbi c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c vi ph\u1ea1m khi thi \u0111\u1ea5u tr\u1ef1c ti\u1ebfp<\/p>\n Theo quy \u0111\u1ecbnh s\u00e2n tennis s\u1ebd c\u00f3 h\u00ecnh d\u00e1ng ch\u1eef nh\u1eadt v\u1edbi chi\u1ec1u d\u00e0i l\u00ean \u0111\u1ebfn h\u01a1n 23m, chi\u1ec1u r\u1ed9ng h\u01a1n 8m n\u1ebfu ch\u01a1i \u0111\u01a1n l\u1ebb 1:1. Tuy nhi\u00ean n\u1ebfu \u0111\u00e1nh \u0111\u00f4i th\u00ec chi\u1ec1u r\u1ed9ng s\u1ebd t\u0103ng l\u00ean g\u1ea7n 11m<\/p>\n Tr\u00ean s\u00e2n s\u1ebd c\u00f3 t\u1ea5m l\u01b0\u1edbi c\u00f3 chi\u1ec1u cao g\u1ea7n 1m, \u0111\u01b0\u1ee3c c\u0103ng ch\u00ednh gi\u1eefa s\u00e2n \u0111\u1ec3 chia l\u00e0m 2 b\u00ean s\u00e2n m\u1ed7i \u0111\u1ed9i, b\u1edfi 1 s\u1ee3i d\u00e2y th\u1eebng ho\u1eb7c kim lo\u1ea1i tr\u00ean 2 c\u1ed9t l\u01b0\u1edbi v\u1eefng ch\u00e3i. C\u1ed9t l\u01b0\u1edbi s\u1ebd c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 15cm v\u00e0 c\u1ed9t l\u01b0\u1edbi c\u1ea1nh 15cm, cao h\u01a1n chi\u1ec1u cao c\u1ee7a t\u1ea5m l\u01b0\u1edbi v\u00e0 t\u1ed1i \u0111a l\u00e0 2,5 cm, c\u00e1ch m\u00e9p bi\u00ean d\u1ecdc m\u1ed7i ph\u00eda l\u00e0 1m<\/p>\n \u0110\u01b0\u1eddng bi\u00ean n\u1eb1m \u1edf cu\u1ed1i m\u1ed7i s\u00e2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng bi\u00ean ngang. Quy \u0111\u1ecbnh 2 b\u00ean m\u00e9p ch\u00ednh l\u00e0 \u0111\u01b0\u1eddng bi\u00ean d\u1ecdc, cu\u1ed1i c\u00f9ng \u0111\u01b0\u1eddng c\u00e1ch t\u1ea5m l\u01b0\u1edbi kho\u1ea3ng 6,5m v\u00e0 n\u1eb1m song song \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u01b0\u1eddng bi\u00ean ngang<\/p>\n Khi th\u1ef1c hi\u1ec7n giao b\u00f3ng ph\u1ea3i \u0111\u1ee9ng \u0111\u00fang v\u1ecb tr\u00ed \u00f4 v\u1edbi \u0111\u01b0\u1eddng ranh gi\u1edbi h\u1ea1n giao b\u00f3ng l\u00e0 5cm so v\u1edbi t\u1ea5m l\u01b0\u1edbi d\u00e0i \u1edf gi\u1eefa s\u00e2n<\/p>\n Theo quy \u0111\u1ecbnh c\u1ee7a lu\u1eadt tennis th\u00ec nh\u1eefng lo\u1ea1i thi\u1ebft b\u1ecb c\u00f3 tr\u00ean s\u00e2n nh\u01b0 c\u1ed9t l\u01b0\u1edbi, l\u01b0\u1edbi, b\u1eadc ng\u1ed3i, gh\u1ebf tr\u1ecdng t\u00e0i, c\u1ea1p l\u01b0\u1edbi,c\u1ed9t ch\u1ed1ng, t\u01b0\u1eddng bao s\u00e2n,\u0111\u1ec1u l\u00e0 nh\u1eefng v\u1eadt d\u1ee5ng c\u1ed1 \u0111\u1ecbnh. C\u00f2n v\u1edbi ng\u01b0\u1eddi nh\u1eb7t b\u00f3ng hay c\u00e1c tr\u1ecdng t\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c coi l\u00e0 thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh<\/p>\n B\u00f3ng thi \u0111\u1ea5u s\u1ebd \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh c\u00e1c m\u1eb7t \u0111\u1ec1u gi\u1ed1ng nhau, v\u1edbi l\u1edbp ngo\u00e0i \u0111\u01b0\u1ee3c b\u1ecdc b\u1eb1ng n\u1ec9 m\u00e0u da ho\u1eb7c tr\u1eafng. V\u1edbi k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn l\u00e0 6,4cm \u0111\u1ebfn 6,7cm, tr\u1ecdng l\u01b0\u1ee3ng s\u1ebd t\u1ea7m kho\u1ea3ng t\u1eeb 56g \u0111\u1ebfn 60g, \u0111\u1ed9 n\u1ea3y cao \u0111\u1ebfn 134cm -148cm khi th\u1ef1c hi\u1ec7n th\u1ea3 t\u1eeb 254cm xu\u1ed1ng m\u1eb7t s\u00e2n<\/p>\n B\u00f3ng tennis s\u1ebd c\u00f3 4 lo\u1ea1i v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau:<\/p>\n Khi th\u1ef1c hi\u1ec7n giao b\u00f3ng s\u1ebd theo lu\u1eadt giao t\u1eeb ph\u1ea3i sang tr\u00e1i t\u1eeb s\u00e2n \u0111\u1ed9i nh\u00e0 \u1edf m\u1ed7i l\u01b0\u1ee3t thi \u0111\u1ea5u. Ng\u01b0\u1eddi giao b\u00f3ng s\u1ebd \u0111\u1ee9ng b\u1eb1ng c\u1ea3 2 ch\u00e2n \u1edf b\u00ean ngo\u00e0i \u0111\u01b0\u1eddng bi\u00ean b\u1ecb tr\u00ed cu\u1ed1i s\u00e2n, \u0111\u1ee9ng \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 tr\u00e1nh ch\u1ea1m ph\u1ea3i \u0111\u01b0\u1eddng k\u1ebb v\u1ea1ch n\u00e0o v\u00ec s\u1ebd t\u00ednh l\u00e0 ph\u1ea1m lu\u1eadt. \u0110\u1eb7t bi\u1ec7t khi tung b\u00f3ng l\u00ean cao, ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng 1 tay \u0111\u1ec3 ph\u00e1t b\u00f3ng, kh\u00f4ng t\u00ednh \u0111i\u1ec3m n\u1ebfu ch\u1ea1m 2 tay<\/p>\n L\u00fac n\u00e0y b\u00f3ng r\u01a1i qua l\u01b0\u1edbi v\u00e0 r\u01a1i v\u00e0o \u00f4 giao b\u00f3ng n\u01a1i v\u1ecb tr\u00ed \u0111\u1ee9ng c\u1ee7a \u0111\u1ed1i th\u1ee7, ho\u1eb7c r\u01a1i ch\u00e9o v\u1ecb tr\u00ed ng\u01b0\u1eddi giao b\u00f3ng, v\u00e0 n\u1eb1m tr\u00ean v\u1ea1ch \u00f4 giao c\u1ee7a \u0111\u1ed1i th\u1ee7.<\/p>\n C\u00e1c h\u00e0nh \u0111\u1ed9ng d\u01b0\u1edbi \u0111\u00e2y s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh l\u00e0 vi ph\u1ea1m lu\u1eadt tennis, b\u1ea1n c\u1ea7n n\u00e9 xa n\u1ebfu kh\u00f4ng mu\u1ed1n b\u1ecb m\u1ea5t \u0111i\u1ec3m, v\u00e0 nh\u1eadn th\u1ebb ph\u1ea1t, th\u1eadm ch\u00ed l\u00e0 b\u1ecb \u0111u\u1ed5i kh\u1ecfi s\u00e2n:<\/p>\n Tr\u00ean \u0111\u00e2y l\u00e0 quy \u0111\u1ecbnh lu\u1eadt tennis m\u00e0 unicef2014appeal.org mu\u1ed1n mang \u0111\u1ebfn cho c\u00e1c b\u1ea1n tham kh\u1ea3o, nh\u1eefng ki\u1ebfn th\u1ee9c c\u0103n b\u1ea3n n\u00e0y s\u1ebd r\u1ea5t c\u00f3 \u00edch cho nh\u1eefng ng\u01b0\u1eddi l\u1ea7n \u0111\u1ea7u tham gia, gi\u00fap tr\u1eadn \u0111\u1ea5u di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 thu\u1eadn l\u1ee3i<\/p>\n","protected":false},"excerpt":{"rendered":" T\u00ecm hi\u1ec3u ngay lu\u1eadt tennis v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u ch\u01a1i, ch\u01b0a c\u00f3 hi\u1ec3u bi\u1ebft v\u1ec1 b\u1ed9 m\u00f4n th\u1ec3 thao \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi y\u00eau th\u00edch nh\u1ea5t hi\u1ec7n hi\u1ec7n nay<\/p>\n","protected":false},"author":1,"featured_media":1401,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[9],"class_list":["post-1402","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quan-vot","tag-the-thao"],"blocksy_meta":"","featured_image_urls":{"full":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg.jpg",600,331,false],"thumbnail":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg-150x150.jpg",150,150,true],"medium":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg-300x166.jpg",300,166,true],"medium_large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg.jpg",600,331,false],"large":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg.jpg",600,331,false],"1536x1536":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg.jpg",600,331,false],"2048x2048":["https:\/\/unicef2014appeal.org\/wp-content\/uploads\/2023\/03\/luat-tennis-1jpg.jpg",600,331,false]},"post_excerpt_stackable":" T\u00ecm hi\u1ec3u ngay lu\u1eadt tennis v\u1edbi nh\u1eefng ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u ch\u01a1i, ch\u01b0a c\u00f3 hi\u1ec3u bi\u1ebft v\u1ec1 b\u1ed9 m\u00f4n th\u1ec3 thao \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi y\u00eau th\u00edch nh\u1ea5t hi\u1ec7n hi\u1ec7n nay<\/p>\n","category_list":"Qu\u1ea7n v\u1ee3t<\/a>","author_info":{"name":"admin","url":"https:\/\/unicef2014appeal.org\/author\/admin\/"},"comments_num":"0 comments","_links":{"self":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/1402","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/comments?post=1402"}],"version-history":[{"count":0,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/posts\/1402\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media\/1401"}],"wp:attachment":[{"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/media?parent=1402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/categories?post=1402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unicef2014appeal.org\/wp-json\/wp\/v2\/tags?post=1402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}S\u00e2n \u0111\u1ea5u tennis<\/strong><\/h3>\n
Thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh<\/strong><\/h3>\n
B\u00f3ng tennis<\/strong><\/h3>\n
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Lu\u1eadt giao b\u00f3ng<\/strong><\/h3>\n
C\u00e1c l\u1ed7i vi ph\u1ea1m lu\u1eadt tennis<\/strong><\/h2>\n
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