\nV\u00e0o nh\u1eefng n\u0103m 50, sau chi\u1ebfn tranh th\u1ebf gi\u1edbi th\u1ee9 2, kh\u00ed t\u00e0i v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a m\u00f4n l\u1eb7n \u0111\u01b0\u1ee3c qu\u1ea3ng b\u00e1 r\u1ed9ng r\u00e3i cho d\u00e2n s\u1ef1. \u0110\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c \u0111i l\u1eb7n cho m\u1ee5c \u0111\u00edch gi\u1ea3i tr\u00ed v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc c\u0169ng ph\u00e1t tri\u1ec3n b\u00f9ng n\u1ed5, v\u1edbi c\u00e1c c\u00e1 nh\u00e2n, h\u1ed9i nh\u00f3m t\u1ef1 ch\u01a1i t\u1ef1 thu\u00ea thi\u1ebft b\u1ecb v\u1edbi nhau.
\nTuy nhi\u00ean, c\u00e1c tai n\u1ea1n l\u1eb7n c\u0169ng t\u1eeb \u0111\u00f3 m\u00e0 gia t\u0103ng. \u0110\u1ec9nh \u0111i\u1ec3m c\u00f3 l\u1ebd l\u00e0 sau khi 2 sinh vi\u00ean t\u1eed n\u1ea1n khi t\u1ef1 m\u01b0\u1edbn thi\u1ebft b\u1ecb l\u1eb7n t\u1eeb tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc c\u1ee7a m\u00ecnh, ch\u1ee9ng ch\u1ec9 l\u1eb7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ra \u0111\u1eddi th\u00f4ng qua h\u1ec7 th\u1ed1ng c\u00e1c tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc t\u1ea1i California v\u00e0 sau \u0111\u00f3 l\u00e0 ra kh\u1eafp n\u01b0\u1edbc M\u1ef9, c\u00e1c ng\u01b0\u1eddi l\u1eb7n ph\u1ea3i xu\u1ea5t tr\u00ecnh b\u1eb1ng l\u1eb7n khi thu\u00ea thi\u1ebft b\u1ecb ho\u1eb7c \u0111\u0103ng k\u00fd c\u00e1c chuy\u1ebfn \u0111i l\u1eb7n, t\u1ea5t c\u1ea3 v\u1edbi m\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro cho ng\u01b0\u1eddi tham gia. Nh\u1eefng h\u1ec7 th\u1ed1ng \u0111\u00e0o t\u1ea1o s\u01a1 khai n\u00e0y th\u01b0\u1eddng ch\u1ec9 c\u00f3 2 c\u1ea5p b\u1eadc l\u00e0 Diver (th\u1ee3 l\u1eb7n), v\u00e0 Dive Instructor, \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi h\u1ecdc ph\u1ea3i r\u00e8n luy\u1ec7n th\u1ec3 ch\u1ea5t, v\u00e0 h\u1ecdc li\u00ean t\u1ee5c trong nhi\u1ec1u th\u00e1ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 qu\u00e2n \u0111\u1ed9i
\nN\u0103m 1967, v\u1edbi mong mu\u1ed1n t\u1ed1i \u01b0u ho\u00e1 qu\u00e1 tr\u00ecnh \u0111\u00e0o t\u1ea1o cho \u0111\u1ea1i ch\u00fang, PADI \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp, v\u00e0 l\u00e0 ng\u01b0\u1eddi ti\u00ean phong trong vi\u1ec7c x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng gi\u00e1o d\u1ee5c b\u00e0i b\u1ea3n, ph\u00e2n chia ra nhi\u1ec1u c\u1ea5p b\u1eadc, t\u1eeb c\u0103n b\u1ea3n \u0111\u1ebfn n\u00e2ng cao, cho ph\u00e9p ng\u01b0\u1eddi l\u1eb7n gi\u1ea3i tr\u00ed tham gia h\u1ecdc v\u00e0 ch\u01a1i trong gi\u1edbi h\u1ea1n \u1edf nhi\u1ec1u c\u1ea5p b\u1eadc t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p th\u1eadt nhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ebfn v\u1edbi m\u00f4n l\u1eb7n, bao g\u1ed3m c\u1ea3 ph\u1ee5 n\u1eef v\u00e0 tr\u1ebb em. C\u00e1c hi\u1ec7p h\u1ed9i kh\u00e1c c\u0169ng d\u1ea7n ra \u0111\u1eddi, v\u00e0 c\u00f9ng v\u1edbi du l\u1ecbch l\u1eb7n, c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e0o t\u1ea1o n\u00e0y \u0111\u01b0\u1ee3c nh\u00e2n r\u1ed9ng ra kh\u1eafp th\u1ebf gi\u1edbi. Hi\u1ec7n nay, h\u1ec7 th\u1ed1ng PADI l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t, ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn \u1edf 183 qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edbi v\u1edbi h\u01a1n 250.000 gi\u00e1o vi\u00ean v\u00e0 2 tri\u1ec7u ch\u1ee9ng ch\u1ec9 1 n\u0103m.
\nNgo\u00e0i PADI, tr\u00ean th\u1ebf gi\u1edbi c\u00f2n h\u01a1n 170 hi\u1ec7p h\u1ed9i kh\u00e1c bao g\u1ed3m hi\u1ec7p h\u1ed9i qu\u1ed1c gia nh\u01b0 CMAS (Ph\u00e1p), BSAC (Anh), t\u01b0 nh\u00e2n nh\u01b0 SSI, RAID, SDI\/TDI, hay th\u1eadm ch\u00ed l\u00e0 c\u1ee7a c\u00e1c h\u00e3ng thi\u1ebft b\u1ecb nh\u01b0 Scubapro c\u0169ng c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u00e0o t\u1ea1o ri\u00eang. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u1ec1u c\u00f3 \u0111i\u1ec3m chung l\u00e0 \u0111\u1ec1u \u0111\u01b0\u1ee3c qu\u1ed1c t\u1ebf c\u00f4ng nh\u1eadn, v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c quy chu\u1ea9n c\u1ee7a ISO, WRSTC(World Recreational Scuba Training Council) , hay EUF c\u1ee7a ch\u00e2u \u00e2u, l\u00e0 c\u00e1c t\u1ed5 ch\u1ee9c chuy\u00ean v\u1ec1 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng.
\n2. V\u1eady c\u00f2n Freediving th\u00ec sao?<\/strong>
\nFreediving, hay l\u1eb7n t\u1ef1 do xu\u1ea5t th\u00e2n \u0111\u00e3 t\u1eeb l\u00e2u \u0111\u1eddi, theo truy\u1ec1n th\u1ed1ng khai th\u00e1c th\u1ee7y h\u1ea3i s\u1ea3n hay ng\u1ecdc trai c\u1ee7a con ng\u01b0\u1eddi. Sau n\u00e0y, l\u1eb7n t\u1ef1 do tr\u1edf th\u00e0nh m\u00f4n th\u1ec3 thao, v\u1edbi nh\u1eefng gi\u1ea3i thi \u0111\u1ea5u \u0111\u1ea7u ti\u00ean v\u00e0o nh\u1eefng n\u0103m 70, v\u00e0 ph\u1ed5 bi\u1ebfn v\u00e0o nh\u1eefng n\u0103m 90 do c\u00e1c hi\u1ec7p h\u1ed9i nh\u01b0 CMAS v\u00e0 AIDA t\u1ed5 ch\u1ee9c. Freediving d\u1ea7n c\u0169ng tr\u1edf th\u00e0nh m\u00f4n ch\u01a1i ph\u1ed5 bi\u1ebfn, cho c\u00e1c b\u1ea1n th\u00edch kh\u00e1m ph\u00e1, du l\u1ecbch hay th\u00edch l\u01b0u gi\u1eef nh\u1eefng h\u00ecnh \u1ea3nh k\u1ec9 ni\u1ec7m \u0111\u1eb9p. Tuy nhi\u00ean c\u0169ng v\u00ec v\u1eady, c\u00e1c tai n\u1ea1n v\u00e0 s\u1ef1 c\u1ed1 khi freedive c\u0169ng t\u0103ng theo t\u1ec9 l\u1ec7
\nR\u00fat kinh nghi\u1ec7m t\u1eeb nh\u1eefng bi\u1ebfn c\u1ed1 n\u00e0y, c\u00e1c hi\u1ec7p h\u1ed9i c\u0169ng d\u1ea7n ra \u0111\u1eddi c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh d\u00e0nh ri\u00eang cho freediver v\u00e0o nh\u1eefng n\u0103m 2000. C\u00e1c nguy\u00ean t\u1eafc an to\u00e0n, c\u00e1c b\u00e0i t\u1eadp luy\u1ec7n \u0111\u1ec3 h\u1ed7 tr\u1ee3 th\u00e0nh t\u00edch tr\u01b0\u1edbc d\u00e0nh cho v\u1eadn \u0111\u1ed9ng vi\u00ean, d\u1ea7n \u0111\u01b0\u1ee3c h\u1ec7 th\u1ed1ng h\u00f3a v\u00e0 chia nh\u1ecf ra t\u1eebng c\u1ea5p b\u1eadc \u0111\u1ec3 ng\u01b0\u1eddi tham gia d\u1ec5 h\u1ecdc, d\u1ec5 ch\u01a1i m\u00e0 v\u1eabn c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n. Ngo\u00e0i c\u00e1c hi\u1ec7p h\u1ed9i ti\u00ean phong nh\u01b0 CMAS v\u00e0 AIDA, hi\u1ec7n t\u1ea1i c\u0169ng c\u00f3 nhi\u1ec1u t\u1ed5 ch\u1ee9c kh\u00e1c nh\u01b0 SSI, PADI, RAID, Molchanov, v.v \u0111\u1ec1u c\u00f3 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u00e0o t\u1ea1o d\u00e0nh ri\u00eang cho freediver. Ng\u01b0\u1eddi h\u1ecdc c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u b\u1eb1ng nh\u1eefng ch\u01b0\u01a1ng tr\u00ecnh c\u0103n b\u1ea3n t\u1eeb h\u1ed3 b\u01a1i nh\u01b0 SSI\/PADI Basic Freediver, AIDA 1*, Molchanov Lap 1 v\u00e0 d\u1ea7n d\u1ea7n t\u1eadp luy\u1ec7n l\u00ean c\u00e1c c\u1ea5p cao h\u01a1n, nh\u01b0 Master Freediver, AIDA 4*, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 tham gia c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t ch\u1ec9 d\u00e0nh cho thi \u0111\u1ea5u nh\u01b0 Molchanov Wave 4, ho\u1eb7c AIDA Competition Specialty. \u0110\u1ec3 \u0111i d\u1ea1y \u0111\u01b0\u1ee3c th\u00ec c\u0169ng t\u01b0\u01a1ng t\u1ef1 c\u00e1c gi\u00e1o vi\u00ean ph\u1ea3i qua hu\u1ea5n luy\u1ec7n v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 nh\u01b0 Freediver Instructor \u0111\u1ec3 d\u1ea1y c\u00e1c c\u1ea5p c\u0103n b\u1ea3n, Advanced hay Master Freediver Instructor \u0111\u1ec3 d\u1ea1y c\u00e1c c\u1ea5p cao h\u01a1n, ho\u1eb7c th\u1eadm ch\u00ed c\u00f3 th\u1ec3 l\u00e0m Instructor Trainer \u0111\u1ec3 \u0111\u00e0o t\u1ea1o ra c\u00e1c Instructor kh\u00e1c<\/p>\n
3. V\u1eady th\u1ef1c s\u1ef1 ch\u1ee9ng ch\u1ec9 l\u1eb7n c\u00f3 c\u1ea7n cho freediver kh\u00f4ng?<\/strong> Th\u1ef1c ch\u1ea5t th\u1ec3 thao, du l\u1ecbch hay tr\u1ea3i nghi\u1ec7m, m\u1ed7i ng\u01b0\u1eddi \u0111\u1ec1u c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn ri\u00eang c\u1ee7a m\u00ecnh, ta c\u0169ng s\u1ebd t\u1ea1m kh\u00f4ng b\u00e0n \u0111\u1ebfn m\u1ee5c \u0111\u00edch l\u00e0 x\u1ea5u hay t\u1ed1t. Tuy nhi\u00ean c\u00e1c freediver ho\u1eb7c c\u00e1c b\u1ea1n \u0111ang c\u00e2n nh\u1eafc tham gia m\u00f4n n\u00e0y c\u1ea7n c\u00e2n nh\u1eafc m\u1ed9t s\u1ed1 \u0111i\u1ec1u sau:<\/p>\n M\u1eb7c d\u00f9 \u0111\u01a1n gi\u1ea3n t\u01b0\u1edfng nh\u01b0 \u0111i b\u01a1i b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng freedive, hay th\u1eadm ch\u00ed apnea (n\u00edn th\u1edf) c\u00f3 r\u1ea5t nhi\u1ec1u nguy hi\u1ec3m ti\u1ec1m t\u00e0ng. M\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n, c\u00e1c b\u1ea1n \u0111\u00e3 qua \u0111\u00e0o t\u1ea1o \u0111\u1ec1u \u0111\u00e3 bi\u1ebft, khi n\u00e3o ta thi\u1ebfu oxy (hypoxic), chuy\u1ec7n ta ng\u1ea5t x\u1ec9u (blackout) l\u00e0 c\u00f3 th\u1ec3 x\u1ea3y ra. Blackout c\u00f3 th\u1ec3 x\u1ea3y ra t\u1eeb 0.5 m n\u01b0\u1edbc khi n\u00edn th\u1edf t\u0129nh (Static) ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 kh\u00f4ng c\u1ea7n xu\u1ed1ng n\u01b0\u1edbc (Dry static). Nghe nghi\u00eam tr\u1ecdng, nh\u01b0ng th\u1ef1c t\u1ebf blackout ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c, v\u00e0 n\u1ebfu c\u00f3 x\u1ea3y ra th\u00ec m\u1ed9t ng\u01b0\u1eddi \u0111\u1ed3ng \u0111\u1ed9i (buddy) \u0111\u00e3 qua \u0111\u00e0o t\u1ea1o, v\u1eabn c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng x\u1eed l\u00fd an to\u00e0n \u0111\u01b0\u1ee3c. Rescue( c\u1ee9u h\u1ed9), c\u00e1c b\u1ea1n \u0111\u01b0\u1ee3c h\u1ecdc t\u1eeb kh\u00f3a c\u0103n b\u1ea3n, v\u00e0 buddy, s\u1ebd l\u00e0 b\u1eaft bu\u1ed9c theo d\u00f5i b\u1ea1n, th\u1eadm ch\u00ed trong l\u00fac b\u1ea1n t\u1eadp n\u00edn th\u1edf… t\u1ea1i nh\u00e0 (n\u1ebfu c\u00f3 s\u1eed d\u1ee5ng k\u1eb9p m\u0169i), \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng ng\u1ea1t th\u1edf l\u00fac blackout. Ho\u1eb7c \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u1ed5 bi\u1ebfn h\u01a1n l\u00e0 c\u00e1c ch\u1ea5n th\u01b0\u01a1ng do \u00e1p su\u1ea5t (barotrauma) \u1edf tai, xoang hay th\u1eadm ch\u00ed l\u00e0 ph\u1ed5i n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o b\u00e0i b\u1ea3n T\u1ea5t c\u1ea3 m\u1ecdi ch\u1ee9ng ch\u1ec9 l\u1eb7n \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c minh kh\u00f4ng ph\u1ea3i ch\u1ec9 v\u1edbi c\u00e1 nh\u00e2n ng\u01b0\u1eddi freediver hay instructor, m\u00e0 l\u00e0 tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng qu\u1ed1c t\u1ebf. Ch\u1ee9ng ch\u1ec9 l\u1eb7n, s\u1ebd l\u00e0 minh ch\u1ee9ng cho ch\u00ednh n\u1ed7 l\u1ef1c, th\u1eddi gian v\u00e0 s\u1ef1 cam k\u1ebft c\u1ee7a c\u00e1c b\u1ea1n v\u1edbi m\u00f4n freediving. Kh\u00f4ng d\u00e1m n\u00f3i ng\u01b0\u1eddi c\u00f3 ch\u1ee9ng ch\u1ec9 l\u1eb7n s\u1ebd gi\u1ecfi h\u01a1n ng\u01b0\u1eddi kh\u00f4ng h\u1ecdc ho\u1eb7c t\u1ef1 h\u1ecdc, do th\u1ec3 thao s\u1ebd t\u00f9y th\u1ec3 l\u1ef1c, t\u1ed1 ch\u1ea5t, c\u01a1 \u0111\u1ecba v\u00e0 luy\u1ec7n t\u1eadp. Nh\u01b0ng ta c\u00f3 th\u1ec3 cam \u0111oan nh\u1eefng c\u1ea5p ch\u1ee9ng ch\u1ec9 l\u1eb7n s\u1ebd l\u00e0 nh\u1eefng c\u1ed9t m\u1ed1c \u0111\u1ec3 ta ph\u1ea5n \u0111\u1ea5u, v\u00e0 l\u00e0 b\u1eb1ng ch\u1ee9ng cho th\u00e0nh t\u00edch ta \u0111\u1ea1t \u0111\u01b0\u1ee3c. C\u00e1c nguy\u00ean t\u1eafc an to\u00e0n, k\u1ef9 thu\u1eadt l\u1eb7n \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng, ph\u01b0\u01a1ng ph\u00e1p luy\u1ec7n t\u1eadp hi\u1ec7u qu\u1ea3, lu\u00f4n s\u1ebd l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 c\u00e1c freediver ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng c\u00e1 nh\u00e2n t\u1ed1t h\u01a1n.<\/p>\n C\u00e1c b\u1ea1n c\u00f3 t\u1ed1 ch\u1ea5t, th\u1ec3 l\u1ef1c, \u0111am m\u00ea \u0111i d\u1ea1y c\u0169ng n\u00ean c\u00e2n nh\u1eafc \u0111\u1eb7t cho m\u00ecnh m\u1ee5c ti\u00eau \u0111\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t Freediving Instructor. T\u1ea1m ch\u01b0a d\u00e1m b\u00e0n t\u1edbi \u0111\u1eb7t r\u1ee7i ro c\u1ee7a h\u1ecdc vi\u00ean, hay ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e0o t\u1ea1o v\u00e0o m\u1ed9t c\u00e1 nh\u00e2n n\u00e0o \u0111\u00f3. Nh\u01b0ng s\u1ebd th\u1eadt l\u00e0 l\u00e3ng ph\u00ed n\u1ebfu ta l\u00e0 ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng m\u00e0 l\u1ea1i t\u1ef1 gi\u1edbi h\u1ea1n b\u1ea3n th\u00e2n m\u00ecnh v\u1edbi nh\u1eefng l\u1edbp h\u1ecdc t\u1ef1 ph\u00e1t, t\u1ef1 d\u1ea1y t\u1ef1 h\u1ecdc m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ed1c t\u1ebf c\u00f4ng nh\u1eadn, trong khi phong tr\u00e0o freediving t\u1ea1i Vi\u1ec7t Nam \u0111ang ph\u00e1t tri\u1ec3n, m\u00e0 th\u1ecb tr\u01b0\u1eddng th\u00ec l\u1ea1i c\u1ea7n l\u1eafm nh\u1eefng instructor c\u00f3 t\u00e2m v\u00e0 c\u00f3 t\u1ea7m \u0111\u1ec3 c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 ph\u00e1t tri\u1ec3n xa h\u01a1n n\u1eefa.<\/p>\n C\u00e1c instructor, \u0111ang \u0111i d\u1ea1y, n\u1ebfu h\u1ecdc vi\u00ean \u0111\u1ee7 kh\u1ea3 n\u0103ng, h\u00e3y c\u1ea5p b\u1eb1ng cho h\u1ecd. Chi ph\u00ed c\u1ea5p b\u1eb1ng freedive th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t ph\u1ea7n nh\u1ecf trong chi ph\u00ed kh\u00f3a h\u1ecdc, nh\u01b0ng n\u00f3 s\u1ebd l\u00e0 s\u1ef1 c\u00f4ng nh\u1eadn, s\u1ef1 \u0111\u1ed9ng vi\u00ean cho n\u0103ng l\u1ef1c c\u1ee7a h\u1ecdc vi\u00ean c\u1ee7a m\u00ecnh. Th\u01b0\u1eddng ph\u00ed c\u00e1c b\u1ea1n \u0111\u00f3ng c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u00e1c hi\u1ec7p h\u1ed9i ph\u00e1t tri\u1ec3n, c\u1eadp nh\u1eadt gi\u00e1o \u00e1n v\u00e0 ch\u01b0\u01a1ng tr\u00ecnh \u0111\u00e0o t\u1ea1o \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n cho ch\u00ednh c\u00e1c b\u1ea1n s\u1eed d\u1ee5ng. Thi\u1ebft ngh\u0129, m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 Vi\u1ec7t Nam m\u01a1 \u01b0\u1edbc c\u00f3 hi\u1ec7p h\u1ed9i ri\u00eang c\u1ee7a m\u00ecnh, m\u00e0 ta v\u1eabn c\u00f3 th\u00f3i quen x\u00e0i “ch\u1ea5t x\u00e1m mi\u1ec5n ph\u00ed”, “\u0111i t\u1eaft \u0111\u00f3n \u0111\u1ea7u” n\u00e0y, ch\u1eafc gi\u1ea5c m\u01a1 n\u00e0y c\u00f2n xa xa l\u1eafm.<\/p>\n B\u00e0i vi\u1ebft kh\u00f4ng c\u00f3 m\u1ee5c ti\u00eau gi\u1edbi thi\u1ec7u hay mua b\u00e1n kh\u00f3a h\u1ecdc trung t\u00e2m hay t\u1ed5 ch\u1ee9c n\u00e0o, ch\u1ec9 l\u00e0 mu\u1ed1n ph\u1ed5 bi\u1ebfn m\u1ed9t s\u1ed1 th\u00f4ng tin, \u0111\u1ecbnh ngh\u0129a v\u1ec1 ch\u1ee9ng ch\u1ec9 v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00e0o t\u1ea1o l\u1eb7n. Suy cho c\u00f9ng th\u00ec quy\u1ec1n quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn v\u1edbi m\u00f4n th\u1ec3 thao c\u00f3 r\u1ee7i ro n\u00e0o, b\u1eb1ng c\u00e1ch n\u00e0o th\u00ec ho\u00e0n to\u00e0n n\u1eb1m trong tay ng\u01b0\u1eddi ch\u01a1i. Ph\u00e1p lu\u1eadt kh\u00f4ng c\u1ea5m, kh\u00f4ng ai ki\u1ec3m tra th\u00ec ta c\u00f3 quy\u1ec1n l\u00e0m. Ta c\u00f3 n\u00ean l\u00e0m hay kh\u00f4ng l\u1ea1i l\u00e0 chuy\u1ec7n kh\u00e1c \ud83d\ude42<\/p>\n <\/p>","protected":false},"excerpt":{"rendered":" G\u1ea7n \u0111\u00e2y c\u0169ng c\u00f3 m\u1ed9t v\u00e0i b\u1ea1n h\u1ecfi m\u00ecnh, nh\u1ea5t […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87,89,76],"tags":[],"class_list":["post-2691","post","type-post","status-publish","format-standard","hentry","category-community-activities","category-diving-tips","category-water-safety"],"_links":{"self":[{"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts\/2691","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/comments?post=2691"}],"version-history":[{"count":5,"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts\/2691\/revisions"}],"predecessor-version":[{"id":2697,"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/posts\/2691\/revisions\/2697"}],"wp:attachment":[{"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/media?parent=2691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/categories?post=2691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rumblefishvietnam.com\/vi\/wp-json\/wp\/v2\/tags?post=2691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nNhi\u1ec1u ng\u01b0\u1eddi \u0111\u1ebfn v\u1edbi freedive v\u00ec t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u00f4ng \u0111\u00f2i h\u1ecfi thi\u1ebft b\u1ecb nhi\u1ec1u, th\u1ef1c ch\u1ea5t ch\u1ec9 m\u1ed7i c\u00e1i mask l\u00e0 \u0111\u00e3 c\u00f3 th\u1ec3 l\u1eb7n \u0111\u01b0\u1ee3c (no fins gi\u1ecfi ch\u00fat)v\u00e0 c\u0169ng kh\u00f4ng kh\u00e1c g\u00ec \u0111i b\u01a1i l\u1eafm (s\u00e2u h\u01a1n ch\u00fat).
\nC\u0169ng c\u00f3 l\u1ebd v\u00ec v\u1eady m\u00e0 hi\u1ec7n t\u1ea1i c\u0169ng c\u00f3 c\u00e1c b\u1ea1n t\u1ef1 t\u1eadp, t\u1ef1 ch\u01a1i m\u1ed9t m\u00ecnh, b\u1edfi kh\u00f4ng nh\u01b0 scuba, ta kh\u00f4ng c\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft b\u1ecb, v\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng ai ki\u1ec3m tra ch\u1ee9ng ch\u1ec9 n\u1ebfu ta t\u1ef1 \u0111i bi\u1ec3n, \u0111i h\u1ed3 ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 m\u01b0\u1edbn t\u00e0u \u0111i \u0111\u1ea3o.
\nC\u0169ng c\u00f3 c\u00e1c b\u1ea1n t\u1ef1 t\u1eadp, t\u1ef1 h\u1ecdc tr\u00ean m\u1ea1ng ho\u1eb7c h\u1ecdc xong nh\u1eefng kh\u00f3a c\u0103n b\u1ea3n v\u00e0 v\u1ec1… t\u1ed5 ch\u1ee9c l\u1edbp d\u1ea1y, h\u01b0\u1edbng d\u1eabn b\u1ea1n b\u00e8 v\u00e0 c\u1ed9ng \u0111\u1ed3ng, c\u0169ng kh\u00f4ng h\u1eb3n l\u00e0 v\u00ec m\u1ee5c \u0111\u00edch kinh doanh, m\u00e0 l\u00e0 mu\u1ed1n ph\u1ed5 c\u1eadp th\u00eam cho c\u1ed9ng \u0111\u1ed3ng, ho\u1eb7c l\u00e0 c\u00f3 ng\u01b0\u1eddi \u0111i ch\u01a1i c\u00f9ng.
\nC\u0169ng c\u00f3 m\u1ed9t s\u1ed1 instructor \u0111\u1ee9ng ra m\u1edf l\u1edbp d\u1ea1y nh\u01b0ng kh\u00f4ng c\u1ea5p ch\u1ee9ng ch\u1ec9 v\u00ec kh\u00f4ng mu\u1ed1n \u0111\u00f3ng ph\u00ed cho hi\u1ec7p h\u1ed9i…<\/p>\n\n
\nC\u0169ng t\u01b0\u01a1ng t\u1ef1, \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111i d\u1ea1y \u0111\u01b0\u1ee3c, c\u00e1c Instructor \u0111\u00e3 ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh \u0111\u00e0o t\u1ea1o t\u1eeb c\u00e1c c\u1ea5p diver \u0111i l\u00ean, th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c th\u1ec3 l\u1ef1c l\u1eb7n, kinh nghi\u1ec7m l\u1eb7n, k\u1ef9 n\u0103ng s\u01b0 ph\u1ea1m, v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 k\u1ef9 n\u0103ng qu\u1ea3n l\u00fd r\u1ee7i ro v\u00e0 t\u1ed5 ch\u1ee9c l\u1edbp h\u1ecdc, \u0111\u1ea3m b\u1ea3o cho h\u1ecdc vi\u00ean c\u00f3 m\u1ed9t m\u00f4i tr\u01b0\u1eddng h\u1ecdc an to\u00e0n, tho\u1ea3i m\u00e1i v\u00e0 hi\u1ec7u qu\u1ea3. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng s\u1ed1 \u0111\u1ec3 ta c\u00e2n nh\u1eafc: T\u1ec9 l\u1ec7 t\u1eed vong c\u1ee7a freedive gi\u1ea3i tr\u00ed 1:500 ca l\u1eb7n, t\u1ec9 l\u1ec7 t\u1eed vong trong scuba diving 1: 34000 ca l\u1eb7n, v\u00e0 thi \u0111\u1ea5u freediving 1: 50000 ca l\u1eb7n. \u0110\u00e1ng ng\u1ea1c nhi\u00ean, m\u1eb7c d\u00f9 thi \u0111\u1ea5u freedive \u0111\u1ed9 s\u00e2u ch\u1eafc ch\u1eafn s\u1ebd cao h\u01a1n, nh\u01b0ng r\u1ee7i ro l\u1ea1i th\u1ea5p h\u01a1n, do ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n b\u00e0i b\u1ea3n c\u0169ng nh\u01b0 y\u00eau c\u1ea7u c\u1ee7a ban t\u1ed5 ch\u1ee9c s\u1ebd lu\u00f4n c\u00f3 \u0111\u1ed9i c\u1ee9u h\u1ed9 (safety diver) v\u00e0 ban y t\u1ebf (medical board) \u0111i k\u00e8m.<\/p>\n\n
\nTr\u00ean m\u1ed7i ch\u1ee9ng ch\u1ec9 cho d\u00f9 b\u1ea5t k\u1ef3 hi\u1ec7p h\u1ed9i n\u00e0o s\u1ebd lu\u00f4n c\u00f3 t\u00ean freediver, ng\u01b0\u1eddi \u0111\u00e0o t\u1ea1o, c\u1ea5p \u0111\u1ed9, gi\u1edbi h\u1ea1n m\u00e0 h\u1ecd c\u00f3 th\u1ec3 l\u1eb7n \u0111\u01b0\u1ee3c an to\u00e0n.
\nM\u1ee5c \u0111\u00edch \u1edf \u0111\u00e2y l\u00e0 \u0111\u1ec3 x\u00e1c minh c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng kh\u00f3a h\u1ecdc \u0111\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh, \u0111\u1ec3 n\u1ebfu ng\u01b0\u1eddi freediver n\u00e0y, c\u00f3 \u0111i l\u1eb7n v\u1edbi nh\u1eefng buddy kh\u00e1c, ho\u1eb7c h\u1ecdc ti\u1ebfp v\u1edbi nh\u1eefng instructor kh\u00e1c th\u00ec h\u1ecd v\u1eabn \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn.
\n\u0110\u1ed1i v\u1edbi ch\u1ee9ng ch\u1ec9 instructor, ngo\u00e0i nh\u1eefng th\u00f4ng tin nh\u01b0 freediver, th\u00ec c\u00f2n th\u1ec3 hi\u1ec7n tr\u1ea1ng th\u00e1i th\u00e0nh vi\u00ean v\u1edbi hi\u1ec7p h\u1ed9i (teaching status). Ch\u1ec9 c\u00f3 c\u00e1c Instructor tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e0o t\u1ea1o (standard) c\u0169ng nh\u01b0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a hi\u1ec7p h\u1ed9i, m\u1edbi c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c teaching status c\u1ee7a m\u00ecnh. C\u00e1c instructor vi ph\u1ea1m quy chu\u1ea9n, t\u00f9y m\u1ee9c \u0111\u1ed9, s\u1ebd \u0111\u01b0\u1ee3c nh\u1eafc nh\u1edf, \u0111\u00e0o t\u1ea1o l\u1ea1i, ho\u1eb7c n\u1eb7ng h\u01a1n c\u00f3 th\u1ec3 b\u1ecb \u0111\u00ecnh ch\u1ec9 ho\u1eb7c c\u1eaft kh\u1ecfi hi\u1ec7p h\u1ed9i. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00e1ch ph\u1ed5 bi\u1ebfn m\u00e0 c\u00e1c hi\u1ec7p h\u1ed9i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e0o t\u1ea1o, c\u0169ng nh\u01b0 uy t\u00edn v\u00e0 th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a m\u00ecnh.<\/p>\n\n
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