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BAI BAD KHOA HOC BtoHOrtHIIANUIVBIIlflllAO 5^1/2019 DAC DIEM PHAT TRIEN THE CHAT CUA HOC SINH DAN TfiC THIEU SO LUfA TUO111 14 KHU VlfC T A Y NGUYEN THOfl DIEJV110/2018 Vu Chung Thuy*; Dang Van Dung*[.]
BAI BAD KHOA HOC BtoHOrtHIIANUIVBIIlflllAO -5^1/2019 DAC DIEM PHAT TRIEN THE CHAT CUA HOC SINH DAN TfiC THIEU SO LUfA TUO111-14 KHU VlfC T A Y NGUYEN THOfl DIEJV110/2018 Tom tai: Vu Chung Thuy*; Dang Van Dung* Le Thj Uyen Phu'O'ng** T™~«H,M^i^^^^^ Nghien cdu dupe thp'c hipn tren nhdm ddi tifong gdm 160 hpc sinh cac dan too thilu s6 (HS DTTS) cd dp tuoi tif 11 sin 14 tudi khu vyc Tdy Nguydn theo nlidm chi tieu, test Ket qua nghidn CLFU cho thay, phat trien t h i ch4t cua HS DTTS tuan thd qui iuat sinh hpc ty nhien, hoan thien vd tang tm'dng ciing vdi sy gia tang ciia tuoi, so lieu thu dupe d mau nghidn cu'u cd dp tap trung Chilu cao Simg phat triin cd sy khac biet giiia nam va ny,* nO tiip igc tang manh den tu6i 11, nam {9,10,11tu6i) tang gin 30cm, sau tuoi 11 mdc tang cham (gin 2cm/nam); d nam tang tm'dng diu, tmng binh dat 5cm/nam Kit qua da cho thay, sy thay dii ndi tilt trd nif bydc vao giai do^n phdt dye trudng sdm hon vd manh hon nam gidi la nhdn to chinh thdc diy phat trien i h l chit d giai doan So sdnh vdi cac nghidn cuu khac cho thay cdc chi so nhan trac cua HS DTTS dd tuoi 11-14 thip hon kit qua nghien cdu cac ndm gin ddy va cao hon so vdi giai dogn trydc nam 2000 Can nang dyp-c danh gia sy phdt then can ddi vdi chieu cao co t h i thdng qua BIWI (theo tidu chuan cda FAO) thi dd tuli 11-12 cd nam va nQ' deu nam khodng thieu can dd I, sang tudi 13,14 dat md'C trung binh V l chdc ndng sinh \^ dupe ddnh gid theo chi tidu: Dung tich sing, Phan xa don, Phdn xa phyc Kit qua kiim tra cDng cho thiy mSt qui lu$t tyong ty vd dgt mdc trung binh thip Thi lyc dyg-c danh gia theo test phan anh toan di§n cdc t6 chat: Nhanh, manh, mem deo, sue ben va kha nang phoi hg-p vdn ddng Nhin chung, cdc td chit t h i lyc phat thin theo tudi vdi nhjp dd tang trydng khdng deu giOa cdc dp tuoi, giOa tre nam va nO' cd sy khac biet & nu', ngoai trLr SCPC mgnh tang nhanh suot giai dogn nay, thi cac to chat cdn lai deu giam hoac tuong dyong dp tull 10 d nam, si>c manh tang nhgnh sau tuoi 12, cac t l chit cdn Igi tang mgnh d td'a tuoi 11, sau dd miJc tang giam va I n djnh d mCrc thip TCP khda: D$G dilm phdt triin, t h i chit, hinh thai, chdc nang sinh I)?, t h i lyc, hpc sinh ddn tOc thilu s i , PTCS, Tay NguySn _^ BAT VAN BE Thd chit la chit luong than the ngudi bidu hien ttong cac hoat ddng van dpng Dd la dac ttung taong ddi dn dinh vi hinh thai va chirc nang cua co thd duoc hinh thinh va phat tridn bim sinh di truydn va diiu kien sdng Nang luc thd chit duoc phan anh qua cac ydu id thd hinh, td chit van ddng va nhiing nang lyc van dpng CO ban cua ngudi, kha nang thich iing, ttang thai chuc nang hoat ddng cda cac co quan ndi tang Qua trinh phiit triin thi chit didn theo nhung qui luat sinh hpc dac trung, ddng thdi cung chiu su chi phdi cua cac yiu to mdi trudng tu nhien va xa hdi Chuin bi thi chit cho ngudi lao ddng la mpt qua ttinh giao due, giao duong rit cdng phu, dupe ca xa hOi vdi nhiiu nganh cung tham gia •PGS.TS, Trudng Bgi hpc TDTT Bdc Ninh phdi hop thuc hien, ttong dd nganh TDTT gdp mpt phin quanttpng.Vi vay, dd qua trinh chuin bi thd chit dat hieu qua cao, muc dp phat ttidn 4?t muc tii ™ trudc hdi phai tidn hanh didu tra thd chit nhan dan, danh gia dung sii phat tridn thd chit qua ttmg giai doan phat ttien Trdn co so nim vung dac diim phat ttien thi chit, tiin hanh nghien ciru danh gia hieu qua tac ddng cua cac yiu id chi phdi di tim nguyen nhan gay h|n chi qua tinh phat ttiin Day la co sd thuc tiln quan ttpng di tvt lita chpn, xac dinh cac giai phap nang cao tim vdc, thi luc cho nhan dan Cac giai phap hiiu hieu chi cd dupe xuit phat tir thirc tien khach quan va giai quyet dupe nhirng nguyen nhan h^n chi qua trinh phat ttiin Vdiquan diem tiip can tren, xuit phat tit thuc tien chua cd de tai nao nghien curu tong the BAI BAD KHOA HOC va sau vi thi chit cua ddng bao cac DTTS, chung tdi tiin hanh nghien ciiu dac diem phat ttiin thi chit cua HS DTTS liia todi 11-14 khu vuc Tay Nguyen, gdp phin bd sung cho ket qua nghien cuu thuc ttang thi chit ddng bao cae DTTS Viet Nam, phvic vu chiin lupc phat trien ngudn nhan luc Viet Nam din nam 2020 da dupe Thu todng Chmh phu phe duyet 19 thang nam 2011 _ , Doi tuyng nghiSn cihi: Die diim phat trien thi chit cua HSDTTS lira todi 11-14 Doi tiring khao sat: 160 HS DTTS (80 nam va 80 nu) dp todi to 11-14 thupc ttoh Gia Lai va Kon Tum PHIfdNG PHAP NGHIEN ClU Tudi dupe xac dinh theo phuang phap tinh todi thap phan Kiim tta y hoc, gdm: Nhan ttae - sii dung phuongphapcuaMartmdochiiucaccannang, Chi sd BMI; Can lam sang - kiim tta chiic nang hd hip (Dung tich sdng) va chiic nang thin kinh (Phan xa don, Phan xa phiic) Kiim tta su pham: Danh gia cdc td chit van dpng qua cac test: Luc bop tay thuan Nam ngua CO gdi gap than, Chay xuit phat cao 30m, Deo gap than, Chay thoi 4xl0m, Bat xa tai chd, Chay toy sue phut Danh gid chi so BMI theo FA0[5]: BMI < 16: Thiiu can dp III BMI = 25 29,99: Qua can dp 1; BMI = 16 -16,99: Thiiu can dp II BMI - 30 - 39,99: Qua can dp II; BMI = 17 - 18,45: Thiiu can dp I BMI > 40: Qua can dp III; BMI = 18,5 - 24,99: Bmh thudng Tieu chuan ddnh gid BMI theo dp tuoi d tre (iFitness.vn): Miic danh gia Tudi: 11 12 13 14 Thiiu (giy) < 14.3 14.8 15.215.8 TB: Nam ttong khoang giiia giy va nguy co beo phi toong iing tvmg todi Nguy CO beo phi >21.0 21.8 22.6 23.4 Beo phi >24.025.2 26.3 27.2 KET QUA NCHIEN Cifu VA BAN LUAN Dac diem hinh thai cua HS DTTS li>a tu6i11-14 khu vyc Tay NguySn Hmh thai co thd khdng chi phan anh dac diem ca the (gene), dac diem chung tpe nia chiu su chi phdi cua nhieu yeu to nhu che dp dmh duong, che dp sinh boat, che dp van dpilg, mm ttudng tu nhien va ca ttang thai benh ly Vi vay, djc diem hinh thai dupe coi la tieu cM ttung tam phan anh muc dd phat teien the chat Ket qui kiim tta hinh thai dupe trinh bay tai bang Kit qua nghien cihi cho thay, phat tri§n hinh thai cua HS DTTS toan thu qui luat smh hpc tu nhien Qua ttinh hoan thien va tang trudng diln cimg vdi su gia tang cua todi, cac sd lifu thu dupe d mau nghien ciiu cd dp tap trung (SD < 10% gia hi TB) Bang Ogc diem phat trien hinh thai ciia HS DTTS lira tuoi 11-14 khu vvc Tiy nguyen, thdi diem 10/2018 &9 tuoi 11 12 13 14 Chi tieu Chieu cao (cm) Can nang (kg) Chi sd BMI (kg/m^) Chieu cao (cm) Can nang (kg) Chi so BMI (kg/m^) Chieu cao (cm) Can nang (kg) Chi sd BMI (kg/m^) Chieu cao (cm) Can nang (kg) Chi sd BMI (kg/m^) Nam (n=20) SD "x 5.28 141.50 5.12 34.50 17.26 2.61 5.36 147.30 3.43 38.67 17.82 1.21 5.54 155.36 45.41 4.08 18.82 1.53 158.60 4.86 3.44 47.07 18.73 1.39 n& (n=20) Sd tang/nam X SD 11.38 146.30 5.85 36.07 3.22 9.19 1.19 2.33 16.85 3.45 5.8 149.10 3.61 38.05 4.17 2.26 17.19 0.56 5.33 150.80 8.06 4.45 47.40 6.74 1.98 21.54 152.50 4.45 3.24 48.77 4.73 1.66 1.33 20.28 -0.09 Do tang/nam 12.15 6.32 0.33 2.8 1.98 0.34 1.7 9.35 4.35 1.7 1.37 -1.26 MOTAOVflHUAiymYHITmHAO - S O 1/2019 Physical development characteristics of ethnic minority students aged 11-14 in the Central Highlands, in October 2018 Summary: The study was carried out on a group of 160 ethnic minority students {EM students) aged 11 to 14 years in the Central Highlands based on groups of Indicators and tests Research results show that physical development of EM students complies with natural biological laws, it completes and grows along with the increase of age; the data collected In the research sample has concentration The height development is different between male and female; for women's height continues to increase strongly to age 11, in years (9,10,11 years) it increased nearly 30cm, and after age 11 the growth rate is slow (nearly 2cm / year); For the male growth, the average growth is 5cm per year The results showed that hormonal changes when female enters the stage of adult sexual development happen earlier and stronger than men, which are believed to be the main factors promoting physical development at this stage Compared with other studies, the anthropometric indicators of EM students aged 11 -14 are lower than the results of recent years and higher than the period before the year 2000 The weight was assessed in the balanced development with body height through BMI (according to FAO standards), it can be realized that for the ages of 11-12, both male and female are in the 1st level of underweight, and coming to the age of 13.14 to reach the average level Physiological functions are assessed based on criteria: Living capacity Single reflex Complex reflex Test results also show a similar rule and low average Physical fitness was assessed based on tests that reflect all the qualities: speed, strength, flexibility, endurance and coordination In general, physical factors develop with age have an unbalanced growth rate between ages, with differences between boys and girls For female, except from strength increased rapidly during this period, the remaining substances decreased or were equivalent to the age of 10 For male, the strength increased rapidly after the age of 12, and the remaining substances increased stnangly at age 11, then the increase declined and stabilized at a low level Keywords: Developmental characteristics, physical, morphological, physiological and physical i_ftjnctions, ethnic minority students, highschool Central Hiqiilands Hinh thai dugc danh gia theo chi tieu: Chieu cao diing, can nang va BMI cac tuoi giua nam va nli c6 su kliac biet dat tin cay th6ng ke, s\f gia tang khong deu qua timg dp tuoi Dp tu6i 11 xuit hien svt tang tnrcmg dot pha ygchi^u cao dung ciia nu vai muc tang dat 12.15 cm Tong muc tang truang chieu cao a nij nam (9,10,11 tu6i) dat x4p xi 30cm Sau tu6i 11, miic tang truong cham lai, trung binh chi dat duai 2cm/nam Kit qua da cho thiy, b§n canh yeu to di truyin va cac ySu t6 moi truotig s6ng nhu dinh duang, tam Ii, ho^t dpng TDTT, dieu kien kinh tg va cac diiu ki?n tu nhien khac, sir thay doi npi tiit t6 tre nii buac vao giai doan phat diic trudng (d$y thi) som hon va manh han nam giai la nhan to chinh thuc day phdt trien the chat Kit qua ciing cho thay, so vcri truac day tre nii buac vao tuoi day thi som han va thai gian phdt d\ic ngin (9-11 tu6i) So sdnh vai cac nghien cuu khac a Viet Nam cho thay cac chi so nhan trie cua HS DTTS liia tuoi 11-14 khu vuc Tay Nguyen thap han hoac tuang ducmg voi kit qua nghien cijru cac nam g§n day va chi cao hcfn so voi giai doan truofc nam 2001, vi du: - Chieu cao cua tre mau nghien curu, nam 11 tuoi dat 141.5 ± 5.28cm, so vai nam 2014 (khu vuc d6ng Mng) 1^ 142.42 ±6.89 [2], nam 2001 la 137.59 ±7.39[l]va 19751^ 121.95 ±5.53 [6]; nu 11 tuoi dat 146.30 ± 5.85, so vai nam 2014 la 142.53 ± 12.54, 2001 la 139.44 ± 7.32cm va 1975 la cm; - Chieu cao ciia tre mau nghien ciiu, nam 14 tuoi dat 158.60 ± 4.86cm, so voi nam 2014 la 162.95 ± 6.98,2001 la 155.67 ± 7.97 va 1975 la 137.51 ± 8.05; tre nu 14 tuoi dat 152.5 ± 4.45, so v6i nam 2014 la 155.37 ± 5.45, 2001 la 151.28 ± 5.53cm va 1975 la 138.95 ±7.36cm; Nhu vay, so vai thai diem 2001, sau 17 nam vai sir phat trien nhanh cua nen kinh ti va su quan tam cua ca xa hpi thong qua cac chinh sach dan tpe nhung tre em cac DTTS Tay Nguyen mod chi bit kip muc dp phat triin vi hinh thai cua tre toan quic va thip ban tre khu vuc d6ng bang a thai diim 2014 BAI BAD KHOA HOC Bang Dac dilm phat trien chi>c nang sinh tj cua HS DTTS fu'a tuoi 11-14 khu vifc Tay nguyen, thai diem 10/2018 So tuoi 11 12 13 14 Chi tieu Dung tich sdng (ml) Phan xa don (ms) Phan xa phirc (ms) Dung tich sdng (ml) Phan xa dan (ms) Phan xa phiic (ms ) Dung tich sdng (ml) Phan xa don (ms) Phan xg phuc (ms) Dung tich sdng (ml) Phan xa don (ms) Phan xa phiic (ms) Nam (n=20) nir (n=20) tang/nam ¥ SD ¥ SD 2026.50 332.69 428.74 2049.33 204.45 355.33 5.01 -45.97 452.00 15.31 551.33 24.50 -115.38 589.24 55.91 2323.80 190.57 297.30 2351.20 157.92 365.33 16.88 10.00 481.13 28.22 540.75 10.56 -10.58 632.07 13.24 2888.00 281.68 564.20 2537.10 252.77 356.63 22.74 -8.70 447.38 19.45 549.93 15.90 9.18 637.92 20.14 3134.40 311.13 246.40 2722.23 213.77 350.10 4.59 -6.53 458.10 12.79 500.27 1.56 -49.66 617.67 19.57 So sanh vdi cac nghien cdu khac d Chau A va Chau Au hudc 2003 [3] cung cho thiy cac chi sd nhan trjc cua HS DTTS Ilia tudi 11-14 khu vuc TSy Nguyen hien tai dSu thip hon, vi du: Tre 11 tudi d mau nghien ciiu cd chieu cao diing cua nam la 141.5cm, nit la 146.3cm so vdi 142.6cm va 144.9cm cua Nhat, 143.0cm va 143.2cm cua Diic; Tre 14 tudi d mlu nghien cihl cd chiSu cao dung cua nam la 158.6cm, nil la 152.5cm so vdi 162.7cm: 155.3cm cda Nhat, 160.4 cm va 159.5 cua Due [3] Can nang xem xet chi tieu doc lap ciing CO nhimg dac didm phat hidn hiong ddng vdi chidu cao Khi danh gia ttong su phat hidn can ddi vdi chiSu cao co the thdng qua BMI, ndu can cii tieu chuin danh gia cua FAO [5] thi dg tadi ll-12ca nam va nil ddu nim khoang thieu cin dp I, sang tudi 13,14 dat miic trung binh Tuy nhien, tidu chuin cua FAO thudng chi ap dung cho tudi trudng Can cir tieu chuan danh gia BMI theo tadi (IFihiess.vn) thi cac nhdm tre ddi tuong khao sat ddu nim ttong mirc phat ttiln binh thudng, can ddi nhung tif m can vdi miic giy (thiSu can) Day la vin dd can duoc quan tam, djc biet dudi goc dinh duong va chd dp sinh hoat Dac diem chijc nang sinh ly cda HS DTTS lija tudi 11 - 14 khu vyc Tay Nguyen D9 tang/nSm 561.18 -89.77 -148.94 301.87 29.13 42.83 185.9 -33.75 5.85 185.13 10.72 -20.25 Kit qua nghien ciiu cho thiy, su phat ttiSn chiie nang sinh ly cda HS DTTS liia taoi 11-14 phat trien taan thu qui luat sinh hpc t\r nhien Qua trmh hoan thien va tang trudng diln cung vdi sir gia tang cua tadi, miic tangttudngkhdng ddng diu giua cdc dp tadi, cac sd lieu thu dupe d mau nghien ciiu cd dp tap tnmg Su gia tang chi tieu dung tich sdng dien ttong sudt giai doan, manh nhit d nir dptadi11 va nam d dd tadi 13 Day ciing chmh IJ giai doan nhay cam (min cam) phat triin siic ben lin thii nhat (sue bin yim khi) [3] Gia hi gia tang cua cac chi tieu phan anh tdc dp phan xa khdng Idn, tang nhanh hon d dp tail 11 va cd xu hudng ch$m Iji ya tang giam khdng ro rang budc vao dp tadi 12-14 Kit qua phii hop vdi qui luat sinh hpc tu nhien dac tinh cua thin kmh cd tinh bao thu cao, phu thudc nhiiu vao dac diem ca the (gene di ttuyin) DSy cung chmh Ii giai doan nhay cam phat ttiin site nhanh tin si ddng tac (7-12 tadi) [3].So sanh vdi cac nghien ciiu khac cho thiy cac chi sd phan anh chiic nang thin kmh ciia HS DTTS lira tadi 11-14 khu vuc Tay Nguydn cd gia tri Mong duong D|c diem phat trien t h i lyc cua HS DTTS li>a tuoi 11-14 khu vyc TSy Nguyin Thi lire duoc danh gia theo test, phan anh toan di$n cdc td chit: Nhanh, m ^ , mem ddo, Chiic nang sinh ly dupe danh gia theo chi siic ben va kha nang phdi hpp van dpng Kit qua heu: Dung tich sdng, phan xa don va phan x» kiem tta dupe xu ly dudi hinh thiic: D^c diim phiic Ket qua kiem tta ttinh bay t?i bang phat triin the luc va Danh gia ting hpp thi l^c BiOTMHHimUIYilltTHAO - SO' 1/2019 Bang Dac diem phat trien the lyc cua HS DTTS lija tuoi 11-14 khu vyc Tay nguyen, thai dilm 10/2018 Bp tudi 11 12 13 14 Nam (n=20) "x SD Dd tang /nam 18.72 17.70 5.46 4.50 10.21 168.00 877.70 25.71 19.90 5.23 4.10 11.01 178.70 868.30 28.22 20.00 5.05 8.00 11.23 195.45 874.64 38.23 19.80 4.86 8.90 10.63 196.40 869.90 1.70 1.64 0.37 1.69 0.96 12.39 88.93 2.37 1.79 0.28 2.02 0.98 16.30 72.99 2.65 1.41 0.48 3.39 1.12 18.50 82.86 3.30 1.81 0.14 2.96 0.66 16.94 46.59 1.7 1.35 -0.69 -1.09 -0.96 5.82 40.05 6.99 2.2 -0.23 -0.4 0.8 10.7 -9.4 2.51 0.1 -0.18 3.9 0.22 16.75 6.34 10.01 -0.2 -0.19 0.9 -0.6 0.95 -4.74 Test Luc bop tay thuan (kG) Nam ngira co gdi gap than (lan) Chay xuat phat cao 30m (giay) Deo gap than (em) Chay thoi 4xl0m (giay) Bat xa tai chd (em) Chay tay siic phut (m) Lire hdp tay thuan (kG) Nam ngua eo gdi gap than (liin) Chay xuat phat cap 30m (giay) Deo gap than (cm) Chay thoi 4xlOm (giay) Bgt xa tai chd (em) Chay tay siic phut (m) L\re bop tay thuan (kG) Nam ngiia co gdi gap than (lan) Chay xuat phat cao 30m (giay) Deo gap than (em) Chay thoi 4xlOm (giay) B | t xa tai chd (cm) Chay siic phut (m) Luc bdp tay thuan (kG) Nam ngiia co gdi g | p than (lan) Chay xuit phat cao 30m (giay) Deo gap than (cm) Chay thoi 4xl0m (giay) Bat xa tai chd (cm) Chay tay sire phut (m) nii (n=20) X SD D$ tang /nam 22.67 15.30 5.76 6.60 10.76 158.30 766.60 28.13 12.33 6.05 7.33 11.10 159.30 744.80 29.60 13.20 5.64 6.50 12.10 160.20 738.00 27.09 17.80 5.70 10.00 11.92 162.50 734.40 1.93 1.42 0.50 3.27 1.03 11.81 65.91 2.77 0.87 0.58 4.27 1.04 5.85 57 47 2.65 1.32 0.27 4.09 1.00 18.15 102.77 4.16 1.75 0.49 5.25 0.57 15.29 65.97 3.22 -1.93 -0.39 -1.18 -1.54 4.3 -111.4 5.46 -2.97 0.29 0.73 0.34 -21.8 1.47 0.87 -0.41 -0.83 0.9 -6.8 -2.51 4.6 0.06 3.5 -0.18 2.3 -3.6 Bang Ket quS danh gia tong hp'p the lyc theo tieu chuan ren luyen cua HS DTTS lii'a tuoi 1 - khu vyc Tay Nguyen, thd'l diem 10/2018 (nnhsn, = 20) Tuoi 11 13 tuoi 14 tuoi 11 tuSi 12 tuoi Phan loai Nam (%) Nii (%) Nam (%) N& (%) Nam (%) Nir (%) Nam (%) Nii (%) 10 40 15 90 30 Tdt 20 10 90 80 85 10 70 100 60 90 Dat 0 K.dat 0 0 0 theo tieu chuin r^n luypn (can cii QD 53/QDBGDDT) tren co sd test (B|t xa tai chd, Chay siic phut, L\rc bdp tay thu^ va Chay 30m XPC), dupe ttinh biy tai cac bang vd Kit qua ttdn bdng cho thiy cac to chit thi luc phat trien theo tadi vdi nhip dp tang trudng khdng dong deu giira cac dp tadi, giira tte nam va nil cd sv khac bipt vdi bieu hi?n nam tdt hon nd d hiu hit cae td chit, ngoai ttir siic m ^ tay liia tadi 11-12 nd cao hon nam Qui luat BAI BAO KHOA HOC mpt lin niia lap laittongquattrnhphat ttien the Ivte da chung td hieu qua tac dpng duong tulh cua cac hormone sinh due len toan bd qua trinh phat ttiin thi chit cua tte, dac biet la he co xuong Nam budc vao thdi ley phat due mudn hon (sau tadi 12 so vdi nil la tadi 10) da thiic diy nhanh qua ttinh phat ttiin thi luc, biiu hien rd d siic manh (b$t xa tai chd nam dp tadi 12 gia tang 10.70cm, tadi 13 tang 16.75em), sire nhanh va kha nang phdi hpp van ddng ciing tang nhanh sau tadi 11, ttong cae ti chit thi luc d nii cd miic gia tang thip vataongddi dn dinhttongdp tadi 11-14 Siic bin (yim khi) d nam Ilia tadi 14 va d nil cac dp tail giai doan giam nhp lien tuc Kit qua phu hop vdi qui luat phat trien khdng ding bd, bdi tay hinh thai tang nhanh nhung nang l\re chiic phan eua he hd hap va dac biet la hp tim mjeh phat ttiin khdng theo kip da lim giam sut nang luc siic ben cua tte So sanh vdi eac nghien cuai khac cho thay cac td chit thi luc eua HS DTTS liia tail 11-14 khu vuc Tay Nguyen hien tai dat dupe taong duong va cao hon ket qua thu dupe d eac nghien ciiu thdi diim 2001 [1] va 2008 - 2011 [2] Ket qua cdng cho thiy, dieu kien ve kinh te, xa hdi cd nhieu thay ddi, ddi sdng cua ngudi dupe nang len, keo theo su gia tang ve nang lye the chit cua nhan diin da phan anh hieu qui tich cue cua cdng cudc each mang vi dan cua Dang va Nha nude Sau khoang tten 10 nam, the luc cua HS DTTS liia tail 11 - 14 khu vuc Tay Nguyen da bat kip miic phat trien eua hpc sinh toan qudc thdi ky 2001 -2011 Di lam rd hon dac diim phat ttiin thi chit cua HS DTTS lua tadi 11 - 14 khu vuc Tay Nguyen, chimg tdi tien hanh phan tich kit qua nghien cita theo tieu chuan ren luyen the lire (QD 53/QD-BGDDT) Kit qua eho thiy, sd lupng hpe sinh khdng dat tieu chuin chi bat gap d mpt sd td chat the lire vdi ty le thip d ca nam va nil (khoang 12-15%) Td chit thi luc kem nhat la siic nhanh phin anh qua test chsiy 30m xuat phat cap cd ty Id khdng dat eon cao va ty le tdt rat thip, dac biet d nam Kit qua phin anh dac diim dp Imh thin kinh va thin kinh CO ciia HS DTTS Ida tadi 11-14 Tay Nguyen kem phat triin, cin dupe chu y ttong cdng tac giao due thi chit hpc dudng Tuy vay, danh gia tdng hop (bang 4) thi thi lire cua 100% hpe suih diu d mdc dat vi tdt thang danh gia co sit d\mg qui luat bu tni giiia cac id chat thd luc KETLUAN Kit qua nghien cuu djc diim phat ttiin thi chit cua HS DTTS liia tadi 11-14 khu vuc Tay Nguydn cho thiy: Qua trinh phat trien thi chat tuan thu cac qui luat tunhidnsinhhpc,hoan Men, tang trudng cung vdi su gia tang cua tadi, sd heu thu dupe d mlu nghien ciiu cd dp tap trung Mire dp phat trien the chat cua HS DTTS lua tail 11-14 khu vuc Tay Nguyen diin khdng ddng diu giua cac dp tadi (tang cao nhat d nir dp tadi 11 va nam d dp todi 13), giiia tte nam va nd cd su khac bipt vdi bieu hipn nam tdt hon d nil d hiu het cac chi tieu, test, ngoai tru chiiu cao diing, can nang va siic manh tay lua tadi 11-12 d nil cao hon nam Sau khoang tten 10 nam, thi chit cua HS DTTS liia tadi 11-14 mdi bit kip miic phat trien cua hpc sinh toan qudc thdi diem 2001 va chieu cao diing vin thip hon tte khu vuc ddng bang thdi didm 2014 TAI LIEU THAM KHAO Duong Nghiep Chi, Nguyen Danh Thai (2003), Thuc trgng the chdt ngitcti Vi^t Nam tit 6-20 tudi, Nxb TDTT, Ha Ndi, tt.36-39 Nguyin Dai Duong & CS (2016), Diin biin phdt triin the chdt cm hpc sinh thong tit lop I din lap 12, Nxb TDTT, Ha Ndi, tt.138-165 Bui Quang Hai, Vii Chung Thuy, Nguyen Kim Xuan (2015), Tuyen chpn vdn dpng vien the r/iao, Nxb TDTT, tt.l25 Luu Quang Hiep, Vu Chung Thuy, Le Diic Chuang, Le Hilu Hung (2000), Y hpc TDTT, Nxb TDTT, Ha Npi Mai Van Hung, Tran Long Giang (2033), "Nghien ciru mdt sd dac diim nhan ttjc ca ban cua hpc sinh trung hpc phd thdng tai Ha Ndi", Tgp chi Khoa hpc DHQGHN, Nghien ciru Gido dKc,Tap29, Sd I Nguyen Tin Ghi Trpng & CS (1975), Hang so sinh hpc Ngudi Viet Nam, Nxb Bp Y Te Bai viSt ttich tir kit qua nghien ciiu de tai KH&CN cip Qudc gia: "Nghien ciiu giai phap, chinh sach phat ttiin thi \\fc, gdp phin nang cao chit lupng ngudn nhan lire cac dan tpe thieu so din nam 2030" Ma sd: CTDT23.17/16-20 (Bai npp 28/1/2019, Phan bl$n ngdy 14/2/2019, duy#t In ngdy 22/2/2019 Chju trSch nhiem chinh: Vu Chung Thdy, Email: vuchungthuytdtt@gmall.com) ... ban tre khu vuc d6ng bang a thai diim 2 014 BAI BAD KHOA HOC Bang Dac dilm phat trien chi>c nang sinh tj cua HS DTTS fu''a tuoi 11- 14 khu vifc Tay nguyen, thai diem 10/ 2018 So tuoi 11 12 13 14 Chi... tudi 11- 14 khu vuc TSy Nguyen hien tai dSu thip hon, vi du: Tre 11 tudi d mau nghien ciiu cd chieu cao diing cua nam la 141 .5cm, nit la 146 .3cm so vdi 142 .6cm va 144 .9cm cua Nhat, 143 .0cm va 143 .2cm... HS DTTS lija tuoi 11- 14 khu vyc Tay nguyen, thai dilm 10/ 2018 Bp tudi 11 12 13 14 Nam (n=20) "x SD Dd tang /nam 18.72 17.70 5.46 4.50 10. 21 168.00 877.70 25.71 19.90 5.23 4 .10 11. 01 178.70 868.30