{"id":4865,"date":"2024-01-15T06:14:08","date_gmt":"2024-01-15T06:14:08","guid":{"rendered":"https:\/\/corp.farlong.com\/a-comparative-observational-study-of-carbohydrate-intake-and-continuous-blood-glucose-levels-in-relation-to-performance-in-ultramarathon\/"},"modified":"2024-01-27T10:18:58","modified_gmt":"2024-01-27T10:18:58","slug":"a-comparative-observational-study-of-carbohydrate-intake-and-continuous-blood-glucose-levels-in-relation-to-performance-in-ultramarathon","status":"publish","type":"post","link":"https:\/\/directcm.com\/vi\/a-comparative-observational-study-of-carbohydrate-intake-and-continuous-blood-glucose-levels-in-relation-to-performance-in-ultramarathon\/","title":{"rendered":"M\u1ed9t nghi\u00ean c\u1ee9u quan s\u00e1t so s\u00e1nh v\u1ec1 l\u01b0\u1ee3ng carbohydrate ti\u00eau th\u1ee5 v\u00e0 m\u1ee9c \u0111\u01b0\u1eddng huy\u1ebft li\u00ean t\u1ee5c li\u00ean quan \u0111\u1ebfn th\u00e0nh t\u00edch trong cu\u1ed9c thi si\u00eau marathon"},"content":{"rendered":"
\n

Thi\u1ebft k\u1ebf nghi\u00ean c\u1ee9u<\/h3>\n

Nghi\u00ean c\u1ee9u quan s\u00e1t n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111i\u1ec1u tra m\u1ed1i quan h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 ch\u1ea1y, ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng v\u00e0 m\u1ee9c glucose \u0111\u01b0\u1ee3c theo d\u00f5i trong m\u1ed9t cu\u1ed9c thi si\u00eau marathon. T\u1ea5t c\u1ea3 c\u00e1c th\u1ee7 t\u1ee5c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t b\u1edfi H\u1ed9i \u0111\u1ed3ng \u0110\u00e1nh gi\u00e1 \u0110\u1ea1o \u0111\u1ee9c Nghi\u00ean c\u1ee9u Con ng\u01b0\u1eddi c\u1ee7a \u0110\u1ea1i h\u1ecdc Ryukoku (S\u1ed1 2021-21). C\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd b\u1eb1ng v\u0103n b\u1ea3n t\u1eeb t\u1ea5t c\u1ea3 nh\u1eefng ng\u01b0\u1eddi tham gia tr\u01b0\u1edbc khi \u0111\u0103ng k\u00fd v\u00e0o nghi\u00ean c\u1ee9u. Nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo Tuy\u00ean b\u1ed1 Helsinki.<\/p>\n

\u0110\u01b0\u1eddng \u0111ua v\u00e0 v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y<\/h3>\n

Nghi\u00ean c\u1ee9u hi\u1ec7n t\u1ea1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i LAKE BIWA 100 n\u0103m 202121<\/a><\/sup>, bi\u1ec3u di\u1ec5n t\u1eeb ng\u00e0y 1 \u0111\u1ebfn ng\u00e0y 3 th\u00e1ng 10 n\u0103m 2021, t\u1ea1i Shiga, Nh\u1eadt B\u1ea3n. Kho\u1ea3ng c\u00e1ch c\u1ee7a kh\u00f3a h\u1ecdc bao g\u1ed3m 100 d\u1eb7m (169 km), v\u00e0 t\u1ed5ng \u0111\u1ed9 cao l\u00e0 10.500 m. Kh\u00f3a h\u1ecdc bao g\u1ed3m nh\u1eefng con \u0111\u01b0\u1eddng m\u00f2n, \u0111\u00e1, l\u1ed1i \u0111i, \u0111\u1ed3ng c\u1ecf v\u00e0 v\u1ec9a h\u00e8. Ch\u1eb7ng \u0111ua \u0111\u01b0\u1ee3c chia th\u00e0nh 9 \u0111o\u1ea1n b\u1edfi 8 tr\u1ea1m h\u1ed7 tr\u1ee3, trong \u0111\u00f3 th\u1eddi gian v\u01b0\u1ee3t qua c\u1ee7a m\u1ed7i v\u1eadn \u0111\u1ed9ng vi\u00ean \u0111\u01b0\u1ee3c ghi l\u1ea1i b\u1eb1ng \u0111i\u1ec7n t\u1eed. T\u1ea5t c\u1ea3 c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean \u0111\u1ec1u c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb to\u00e0n c\u1ea7u (IBUKI GPS; OND Inc., Nh\u1eadt B\u1ea3n) trong su\u1ed1t cu\u1ed9c thi si\u00eau marathon \u0111\u1ec3 ghi l\u1ea1i d\u1eef li\u1ec7u v\u1ecb tr\u00ed v\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1ea1y. Kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1ed7i tr\u1ea1m c\u1ee9u tr\u1ee3 l\u00e0 18,8 \u00b1 7,3 km v\u00e0 dao \u0111\u1ed9ng t\u1eeb 7 \u0111\u1ebfn 28 km. Th\u1eddi h\u1ea1n l\u00e0 52 gi\u1edd.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y \u0111\u1ec1u \u0111\u00e3 ho\u00e0n th\u00e0nh cu\u1ed9c \u0111ua si\u00eau marathon v\u00e0 t\u1ed5ng s\u1ed1 \u0111i\u1ec3m \u0111\u01b0\u1ee3c Hi\u1ec7p h\u1ed9i ch\u1ea1y \u0111\u01b0\u1eddng m\u00f2n qu\u1ed1c t\u1ebf ch\u1ee9ng nh\u1eadn v\u01b0\u1ee3t qu\u00e1 6 trong ba n\u0103m qua, th\u1ec3 hi\u1ec7n kinh nghi\u1ec7m c\u1ee7a h\u1ecd trong c\u00e1c s\u1ef1 ki\u1ec7n si\u00eau b\u1ec1n. Nh\u01b0 v\u1eady, ch\u1ec9 c\u00f3 t\u1ed5ng s\u1ed1 100 v\u1eadn \u0111\u1ed9ng vi\u00ean si\u00eau b\u1ec1n (86 nam v\u00e0 14 n\u1eef) c\u00f3 n\u0103ng l\u1ef1c b\u1ec1n b\u1ec9 cao m\u1edbi c\u00f3 th\u1ec3 tham gia LAKE BIWA 100 2021. T\u1ea5t c\u1ea3 c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y \u0111\u1ec1u ph\u1ea3i \u0111eo ba l\u00f4 khi ch\u1ea1y \u0111\u1ec3 mang theo c\u00e1c nhu y\u1ebfu ph\u1ea9m, bao g\u1ed3m c\u1ea3 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng v\u00e0 n\u01b0\u1edbc u\u1ed1ng. Cu\u1ed1i c\u00f9ng, 77 v\u1eadn \u0111\u1ed9ng vi\u00ean (77%) \u0111\u00e3 ho\u00e0n th\u00e0nh c\u1ef1 ly si\u00eau marathon 100 d\u1eb7m v\u00e0 th\u1eddi gian v\u1ec1 \u0111\u00edch trung b\u00ecnh l\u00e0 45:15 (gi\u1edd:ph\u00fat). M\u1eb7t kh\u00e1c, 23 v\u1eadn \u0111\u1ed9ng vi\u00ean kh\u00f4ng th\u1ec3 ho\u00e0n th\u00e0nh s\u1ef1 ki\u1ec7n.<\/p>\n

Nh\u1eefng ng\u01b0\u1eddi tham gia nghi\u00ean c\u1ee9u v\u00e0 c\u00e1c nh\u00f3m<\/h3>\n

Hai m\u01b0\u01a1i hai ng\u01b0\u1eddi tham gia (18 nam v\u00e0 4 n\u1eef) trong t\u1ed5ng s\u1ed1 100 v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y b\u1ed9 \u0111\u00e3 t\u1ef1 nguy\u1ec7n tham gia v\u00e0o nghi\u00ean c\u1ee9u n\u00e0y. Vi\u1ec7c tuy\u1ec3n d\u1ee5ng ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua qu\u1ea3ng c\u00e1o c\u1ee7a ng\u01b0\u1eddi t\u1ed5 ch\u1ee9c s\u1ef1 ki\u1ec7n v\u00e0 tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i c\u00e1 nh\u00e2n. Gi\u1edbi t\u00ednh, chi\u1ec1u cao, c\u00e2n n\u1eb7ng \u0111\u01b0\u1ee3c t\u1ef1 b\u00e1o c\u00e1o v\u00e0 ch\u1ec9 s\u1ed1 kh\u1ed1i c\u01a1 th\u1ec3 (BMI) \u0111\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c chu\u1ea9n. Trong nghi\u00ean c\u1ee9u si\u00eau marathon, 16 ng\u01b0\u1eddi tham gia (72,7%) \u0111\u00e3 ho\u00e0n th\u00e0nh to\u00e0n b\u1ed9 qu\u00e3ng \u0111\u01b0\u1eddng v\u00e0 nh\u1eefng ng\u01b0\u1eddi tham gia c\u00f2n l\u1ea1i kh\u00f4ng v\u1ec1 \u0111\u00edch (DNF, N<\/i>= 6). Vi\u1ec7c ngh\u1ec9 h\u01b0u \u0111\u01b0\u1ee3c quan s\u00e1t sau c\u00e1c \u0111o\u1ea1n 3 (47 km, N<\/i>= 1), 4 (75km, N<\/i>= 2), 5 (97 km, N<\/i>= 2), v\u00e0 7 (125 km, N<\/i>= 1). DNF x\u1ea3y ra do gi\u1edbi h\u1ea1n th\u1eddi gian ho\u00e0n th\u00e0nh (52 gi\u1edd) v\u00e0 th\u01b0\u01a1ng t\u00edch nghi\u00eam tr\u1ecdng ch\u01b0a \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn \u1edf nh\u1eefng ng\u01b0\u1eddi tham gia. Ph\u1ea1m vi th\u1eddi gian c\u1ee7a DNF l\u00e0 t\u1eeb 18:37 \u0111\u1ebfn 36:08. Theo th\u1eddi gian v\u1ec1 \u0111\u00edch t\u1ed5ng th\u1ec3 trung b\u00ecnh, 16 ng\u01b0\u1eddi v\u1ec1 \u0111\u00edch \u0111\u01b0\u1ee3c chia v\u00e0o nh\u00f3m cao h\u01a1n (N<\/i>= 7) v\u00e0 nh\u00f3m th\u1ea5p h\u01a1n (N<\/i>= 9). Kho\u1ea3ng th\u1eddi gian v\u1ec1 \u0111\u00edch l\u00e0 t\u1eeb 28:08 \u0111\u1ebfn 43:31 \u1edf nh\u00f3m cao h\u01a1n v\u00e0 t\u1eeb 47:11 \u0111\u1ebfn 50:41 \u1edf nh\u00f3m th\u1ea5p h\u01a1n.<\/p>\n

T\u1ed1c \u0111\u1ed9 ch\u1ea1y v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a<\/h3>\n

Th\u1eddi gian v\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1ea1y gi\u1eefa m\u1ed7i tr\u1ea1m c\u1ee9u tr\u1ee3 \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb trang web ch\u00ednh th\u1ee9c21<\/a><\/sup>. Nh\u01b0 th\u1ec3 hi\u1ec7n trong c\u00e1c nghi\u00ean c\u1ee9u tr\u01b0\u1edbc \u0111\u00e2y12<\/a><\/sup>, t\u1ed1c \u0111\u1ed9 ch\u1ea1y ti\u00eau chu\u1ea9n cho t\u1eebng ph\u00e2n kh\u00fac \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch l\u1ea5y trung b\u00ecnh n\u0103m ng\u01b0\u1eddi v\u1ec1 \u0111\u00edch h\u00e0ng \u0111\u1ea7u theo gi\u1edbi t\u00ednh. T\u1ed1c \u0111\u1ed9 ch\u1ea1y \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng qu\u00e3ng \u0111\u01b0\u1eddng ch\u1ea1y\/gi\u1edd (km\/h) v\u00e0 t\u1ed1c \u0111\u1ed9 ch\u1ea1y ti\u00eau chu\u1ea9n cho t\u1eebng ch\u1eb7ng \u0111\u01b0\u1ee3c t\u00ednh cho t\u1eebng ng\u01b0\u1eddi tham gia nam v\u00e0 n\u1eef. T\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a c\u00e1c v\u1eadn \u0111\u1ed9ng vi\u00ean \u1edf m\u1ed7i ch\u1eb7ng \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a theo c\u00f4ng th\u1ee9c sau: %\u1ed1c \u0111\u1ed9 ch\u1ea1y = (T\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a ng\u01b0\u1eddi tham gia) \/ (T\u1ed1c \u0111\u1ed9 ch\u1ea1y trung b\u00ecnh c\u1ee7a 5 ng\u01b0\u1eddi v\u1ec1 \u0111\u00edch \u1edf m\u1ed7i gi\u1edbi) \u00d7 100. T\u1ed1c \u0111\u1ed9 ch\u1ea1y ti\u00eau chu\u1ea9n ch\u1ec9 v\u01b0\u1ee3t qu\u00e1 100% khi ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi v\u1ecb tr\u00ed top 1 v\u00e0 2 \u1edf m\u1ed7i gi\u1edbi.<\/p>\n

D\u1eef li\u1ec7u ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng<\/h3>\n

Nh\u1eefng ng\u01b0\u1eddi tham gia t\u1ef1 ghi l\u1ea1i th\u1eddi gian v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng \u0103n u\u1ed1ng t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ecd trong su\u1ed1t cu\u1ed9c thi si\u00eau marathon. Th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng \u0111\u01b0\u1ee3c ti\u00eau th\u1ee5 h\u01a1n 60 ph\u00fat tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o d\u1eef li\u1ec7u ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng. T\u1ed5ng l\u01b0\u1ee3ng th\u1ee9c \u0103n ti\u00eau th\u1ee5 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1eb1ng nh\u1eefng b\u1ee9c \u1ea3nh ch\u1ee5p tr\u01b0\u1edbc v\u00e0 sau cu\u1ed9c \u0111ua. Kh\u1ea9u ph\u1ea7n \u0103n trong cu\u1ed9c \u0111ua \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n t\u1eeb th\u00f4ng tin dinh d\u01b0\u1ee1ng c\u1ee7a s\u1ea3n ph\u1ea9m. N\u1ebfu kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u, l\u01b0\u1ee3ng dinh d\u01b0\u1ee1ng n\u00e0y \u0111\u01b0\u1ee3c t\u00ednh theo b\u1ea3ng th\u00e0nh ph\u1ea7n th\u1ef1c ph\u1ea9m ti\u00eau chu\u1ea9n \u1edf Nh\u1eadt B\u1ea3n 202022<\/a><\/sup>. Ch\u00fang \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb theo tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 (kg)\/th\u1eddi gian ch\u1ea1y (gi\u1edd) 12<\/a>,14<\/a><\/sup>.<\/p>\n

D\u1eef li\u1ec7u v\u1ec1 ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng theo th\u00f3i quen \u0111\u01b0\u1ee3c thu th\u1eadp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng c\u00e2u h\u1ecfi l\u1ecbch s\u1eed ch\u1ebf \u0111\u1ed9 \u0103n ki\u00eang t\u1ef1 th\u1ef1c hi\u1ec7n lo\u1ea1i ng\u1eafn g\u1ecdn (BDHQ)23<\/a>,24<\/a><\/sup>. BDHQ l\u00e0 m\u1ed9t b\u1ea3ng c\u00e2u h\u1ecfi t\u1ef1 \u0111i\u1ec1n nh\u1eb1m \u0111\u00e1nh gi\u00e1 t\u1ea7n su\u1ea5t ti\u00eau th\u1ee5 th\u1ef1c ph\u1ea9m trong th\u00e1ng qua. L\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111a l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng l\u01b0\u1ee3ng \u0103n v\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eb7t h\u00e0ng th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng23<\/a>,24<\/a><\/sup>.<\/p>\n

D\u1eef li\u1ec7u glucose v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a<\/h3>\n

N\u1ed3ng \u0111\u1ed9 glucose tu\u1ea7n ho\u00e0n \u0111\u01b0\u1ee3c theo d\u00f5i b\u1edfi FGM, nh\u01b0 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1edfi c\u00e1c nghi\u00ean c\u1ee9u kh\u00e1c25<\/a>,26<\/a><\/sup>. T\u00f3m l\u1ea1i, h\u1ec7 th\u1ed1ng FGM (FreeStyle Libre Pro; Abbott Dzheim Care, Alameda, CA) li\u00ean t\u1ee5c \u0111o n\u1ed3ng \u0111\u1ed9 glucose trong d\u1ecbch k\u1ebd d\u01b0\u1edbi da v\u00e0 t\u1ea1o ra thi\u1ebft b\u1ecb c\u1ea5p c\u1ee9u t\u01b0\u01a1ng \u1ee9ng. C\u1ea3m bi\u1ebfn FGM \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf m\u1eb7t sau c\u1ee7a c\u00e1nh tay tr\u00ean v\u00e0 n\u1ed3ng \u0111\u1ed9 glucose \u0111\u01b0\u1ee3c \u0111o sau m\u1ed7i 15 ph\u00fat. Nh\u1eefng ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o thi\u1ebft b\u1ecb h\u01a1n 24 gi\u1edd tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u cu\u1ed9c thi si\u00eau marathon.<\/p>\n

\u0110\u1ed1i v\u1edbi m\u1ed7i ng\u01b0\u1eddi tham gia, n\u1ed3ng \u0111\u1ed9 glucose trong cu\u1ed9c \u0111ua \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a b\u1eb1ng c\u00e1ch tr\u1eeb \u0111i n\u1ed3ng \u0111\u1ed9 glucose l\u00fac \u0111\u00f3i khi ngh\u1ec9 ng\u01a1i (H\u00ecnh 2).\u00a01<\/a>). Do \u0111\u00f3, n\u1ed3ng \u0111\u1ed9 glucose \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng s\u1ef1 gia t\u0103ng so v\u1edbi m\u1ee9c glucose l\u00fac \u0111\u00f3i khi ngh\u1ec9 ng\u01a1i (\u22bf<\/span>glucoz\u01a1). Ngo\u00e0i m\u1ee9c trung b\u00ecnh, cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t \u22bf<\/span>m\u1ee9c glucose, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ee9c glucose cao nh\u1ea5t v\u00e0 th\u1ea5p nh\u1ea5t \u1edf m\u1ed7i ng\u01b0\u1eddi tham gia \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n trong t\u1eebng ph\u00e2n \u0111o\u1ea1n.<\/p>\n

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H\u00ecnh 1<\/b><\/figcaption>
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\"figure<\/picture><\/a><\/div>\n
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Ti\u00eau chu\u1ea9n h\u00f3a n\u1ed3ng \u0111\u1ed9 glucose sau v\u00e0 trong cu\u1ed9c thi si\u00eau marathon 100 d\u1eb7m. Kh\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c chia th\u00e0nh 9 ph\u1ea7n (\u2460<\/span>~\u2468<\/span>, \u0111\u01b0\u1eddng \u0111\u1ee9t n\u00e9t d\u1ecdc) c\u1ee7a 8 tr\u1ea1m c\u1ee9u tr\u1ee3. C\u1ea5u h\u00ecnh \u0111\u1ed9 cao \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean tr\u1ee5c d\u1ecdc b\u00ean ph\u1ea3i v\u00e0 v\u00f9ng \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y. K\u1ebft qu\u1ea3 \u0111\u1ea1i di\u1ec7n c\u1ee7a vi\u1ec7c theo d\u00f5i n\u1ed3ng \u0111\u1ed9 glucose \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n tr\u00ean tr\u1ee5c tung v\u00e0 \u0111\u01b0\u1eddng li\u1ec1n n\u00e9t b\u00ean tr\u00e1i. \u22bf<\/span>M\u1ee9c glucose \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng c\u00e1ch tr\u1eeb \u0111i m\u1ee9c glucose khi ngh\u1ec9 ng\u01a1i \u1edf m\u1ed7i ng\u01b0\u1eddi ch\u1ea1y (\u0111\u01b0\u1eddng \u0111\u1ee9t n\u00e9t ngang). Trong m\u1ed7i ph\u00e2n \u0111o\u1ea1n, * bi\u1ec3u th\u1ecb m\u1ee9c cao nh\u1ea5t \u22bf<\/span>glucose, \u2020 bi\u1ec3u th\u1ecb m\u1ee9c th\u1ea5p nh\u1ea5t \u22bf<\/span>glucose v\u00e0 \u0111\u01b0\u1eddng \u0111\u00f4i bi\u1ec3u th\u1ecb m\u1ee9c trung b\u00ecnh \u22bf<\/span>n\u1ed3ng \u0111\u1ed9 glucose.<\/p>\n<\/div>\n<\/div>\n<\/figure>\n<\/div>\n

S\u1ed1 li\u1ec7u th\u1ed1ng k\u00ea<\/h3>\n

T\u1ea5t c\u1ea3 c\u00e1c ph\u00e2n t\u00edch th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng SPSS phi\u00ean b\u1ea3n 29.0 (SPSS, Inc., Chicago, IL). S\u1ee9c m\u1ea1nh th\u1ed1ng k\u00ea c\u1ee7a ANOVA m\u1ed9t chi\u1ec1u \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean 3 nh\u00f3m, m\u1ed7i nh\u00f3m c\u00f3 6 ng\u01b0\u1eddi tham gia (t\u1ed5ng c\u1ed9ng 18 ng\u01b0\u1eddi tham gia), ch\u00eanh l\u1ec7ch l\u01b0\u1ee3ng carbohydrate ti\u00eau th\u1ee5 0,1 g\/kg\/gi\u1edd gi\u1eefa c\u00e1c nh\u00f3m, \u0111\u1ed9 l\u1ec7ch chu\u1ea9n 0,5 v\u00e0 m\u1ee9c \u00fd ngh\u0129a 0,05. S\u1ee9c m\u1ea1nh th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u00e0 0,81. Th\u1eed nghi\u1ec7m Kolmogorov\u2013Smirnov \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh quy ph\u1ea1m c\u1ee7a ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00e1c bi\u1ebfn li\u00ean t\u1ee5c gi\u1eefa nh\u00f3m cao h\u01a1n, nh\u00f3m th\u1ea5p h\u01a1n v\u00e0 nh\u00f3m DNF \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng ANOVA m\u1ed9t chi\u1ec1u, sau \u0111\u00f3 l\u00e0 b\u00e0i ki\u1ec3m tra h\u1eadu ki\u1ec3m HSD c\u1ee7a Tukey. Th\u1eed nghi\u1ec7m Kruskal\u2013Wallis v\u1edbi hi\u1ec7u ch\u1ec9nh Bonferroni \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho d\u1eef li\u1ec7u phi tham s\u1ed1. D\u1eef li\u1ec7u ph\u00e2n lo\u1ea1i \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch b\u1eb1ng ph\u00e9p ki\u1ec3m chi b\u00ecnh ph\u01b0\u01a1ng. Nh\u1eefng thay \u0111\u1ed5i v\u1ec1 l\u01b0\u1ee3ng carbohydrate n\u1ea1p v\u00e0o v\u00e0 theo d\u00f5i n\u1ed3ng \u0111\u1ed9 glucose trong cu\u1ed9c thi si\u00eau marathon \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch b\u1eb1ng ANOVA hai chi\u1ec1u v\u1edbi b\u00e0i ki\u1ec3m tra h\u1eadu ki\u1ec3m c\u1ee7a Tukey. ANOVA hai chi\u1ec1u (ph\u00e2n \u0111o\u1ea1n nh\u00f3m x) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong su\u1ed1t cu\u1ed9c \u0111ua ngo\u1ea1i tr\u1eeb nh\u00f3m DNF v\u00e0 t\u1eeb ph\u00e2n \u0111o\u1ea1n 1\u20133 bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c nh\u00f3m. \u0110\u1ed1i v\u1edbi ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa n\u1eeda \u0111\u1ea7u v\u00e0 n\u1eeda cu\u1ed1i c\u1ee7a cu\u1ed9c \u0111ua \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng th\u1eed nghi\u1ec7m ANOVA hai chi\u1ec1u. M\u1ed1i li\u00ean h\u1ec7 gi\u1eefa ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng v\u00e0 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng glucose v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u1ea1y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan x\u1ebfp h\u1ea1ng c\u1ee7a Spearman. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y d\u01b0\u1edbi d\u1ea1ng ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n. M\u1ee9c \u00fd ngh\u0129a th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 P<\/i>< 0,05.<\/p>\n<\/div>\n

[qu\u1ea3ng c\u00e1o_2]<\/p>\n

Li\u00ean k\u1ebft ngu\u1ed3n <\/a><\/p>","protected":false},"excerpt":{"rendered":"

Ultra-endurance events, which are greater than 6 h in duration1 have gained substantial popularity and global participation2,3. Ultramarathon runs on trails are the most popular ultra-endurance events4, and the recent increase in these events implies an increase in both competitive and recreational participants2,3.<\/p>","protected":false},"author":1,"featured_media":5355,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[9],"tags":[],"class_list":["post-4865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-supplements"],"_links":{"self":[{"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/posts\/4865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/comments?post=4865"}],"version-history":[{"count":1,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/posts\/4865\/revisions"}],"predecessor-version":[{"id":5382,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/posts\/4865\/revisions\/5382"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/media\/5355"}],"wp:attachment":[{"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/media?parent=4865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/categories?post=4865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/directcm.com\/vi\/wp-json\/wp\/v2\/tags?post=4865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}