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*[.]
Trang 1DAC 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*
Le Thj Uyen Phu'O'ng**
Tom tai: 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 3 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,
trong 3 nam {9,10,11tu6i) tang g i n 30cm, sau tuoi 11 mdc tang cham (gin 2cm/nam); d nam tang
tm'dng d i u , tmng binh dat 5cm/nam Kit qua da cho thay, sy thay dii ndi tilt khi trd nif bydc vao
giai do^n phdt dye trudng thanh sdm hon vd manh hon nam gidi la nhdn to chinh thdc diy phat
trien i h l chit d giai doan nay 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 trong 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 trong khodng thieu
can dd I, sang tudi 13,14 dat md'C trung binh V l chdc ndng sinh \^ dupe ddnh gid theo 3 chi tidu:
Dung tich sing, Phan xa don, Phdn xa phyc Kit qua kiim tra cDng cho thiy mSt qui lu$t tyong ty
vd dgt mdc trung binh thip
Thi lyc dyg-c danh gia theo 7 test phan anh toan di§n cdc t6 chat: Nhanh, manh, mem deo, sue
ben va kha nang phoi hg-p vdn ddng Nhin chung, cdc td chit t h i lyc phat thin theo tudi vdi nhjp
dd tang trydng khdng deu giOa cdc dp tuoi, giOa tre nam va nO' cd sy khac biet & nu', ngoai trLr
SCPC mgnh tang nhanh suot giai dogn nay, thi cac to chat cdn lai deu giam hoac tuong dyong dp
tull 10 d nam, si>c manh tang nhgnh sau tuoi 12, cac t l chit cdn Igi tang mgnh d td'a tuoi 11, sau
dd miJc tang giam va I n djnh d mCrc thip
TCP khda: D$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 phdi hop thuc hien, ttong dd nganh TDTT gdp
Thd chit la chit luong than the con ngudi mpt phin quan ttpng Vi vay, dd qua trinh chuin
bidu hien ttong cac hoat ddng van dpng Dd la bi thd chit dat hieu qua cao, muc dp phat ttidn
dac ttung taong ddi dn dinh vi hinh thai va chirc 4?t muc tii ™ trudc hdi phai tidn hanh didu tra
nang cua co thd duoc hinh thinh va phat tridn thd chit nhan dan, danh gia dung sii phat tridn
do bim sinh di truydn va diiu kien sdng Nang thd chit qua ttmg giai doan phat ttien Trdn co
luc thd chit duoc phan anh qua cac ydu id thd so nim vung dac diim phat ttien thi chit, tiin
hinh, td chit van ddng va nhiing nang lyc van hanh nghien ciru danh gia hieu qua tac ddng cua
dpng CO ban cua con ngudi, kha nang thich iing, cac yiu id chi phdi di tim ra nguyen nhan gay
ttang thai chuc nang hoat ddng cda cac co quan h|n chi qua tinh phat ttiin Day la co sd thuc
ndi tang Qua trinh phiit triin thi chit didn ra tiln quan ttpng di tvt do lita chpn, xac dinh cac
theo nhung qui luat sinh hpc dac trung, ddng giai phap nang cao tim vdc, thi luc cho nhan
thdi cung chiu su chi phdi cua cac yiu to mdi dan Cac giai phap hiiu hieu chi cd dupe khi xuit
trudng tu nhien va xa hdi phat tir thirc tien khach quan va giai quyet dupe
Chuin bi thi chit cho ngudi lao ddng la mpt nhirng nguyen nhan h^n chi qua trinh phat ttiin
qua ttinh giao due, giao duong rit cdng phu, Vdiquan diem tiip can tren, xuit phat tit
dupe ca xa hOi vdi nhiiu nganh cung tham gia thuc tien chua cd de tai nao nghien curu tong the
Trang 2va 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 ngay 19
thang 4 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 2 ttoh Gia Lai
va Kon Tum
PHIfdNG PHAP NGHIEN ClU
Tudi dupe xac dinh theo phuang phap tinh
todi thap phan
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 do 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
1 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 Kiim tta y hoc, gdm: Nhan ttae - sii dung ca the (gene), dac diem chung tpe nia con chiu phuongphapcuaMartmdochiiucaccannang, su chi phdi cua nhieu yeu to nhu che dp dmh Chi sd BMI; Can lam sang - kiim tta chiic nang duong, che dp sinh boat, che dp van dpilg, mm
hd hip (Dung tich sdng) va chiic nang thin kinh ttudng tu nhien va ca ttang thai benh ly Vi vay, (Phan xa don, Phan xa phiic) djc diem hinh thai dupe coi la tieu cM ttung tam Kiim tta su pham: Danh gia cdc td chit van phan anh muc dd phat teien the chat Ket qui dpng qua cac test: Luc bop tay thuan Nam ngua
CO gdi gap than, Chay xuit phat cao 30m, Deo
gap than, Chay con thoi 4xl0m, Bat xa tai chd,
Chay toy sue 5 phut
Danh gid chi so BMI theo FA0[5]:
BMI < 16: Thiiu can dp III BMI = 25
-29,99: Qua can dp 1;
kiim tta hinh thai dupe trinh bay tai bang 1 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
ra 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 1 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)
Nam (n=20)
"x 141.50 34.50 17.26 147.30 38.67 17.82 155.36 45.41 18.82 158.60 47.07
SD 5.28 5.12 2.61 5.36 3.43 1.21 5.54 4.08 1.53 4.86 3.44
Sd tang/nam 11.38 9.19 2.33 5.8 4.17 0.56 8.06 6.74
1 3.24 1.66
n& (n=20)
X
146.30 36.07 16.85 149.10 38.05 17.19 150.80 47.40 21.54 152.50 48.77 20.28
SD 5.85 3.22 1.19 3.45 3.61 2.26 5.33 4.45 1.98 4.45 4.73 1.33
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
Trang 3Physical 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 3 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 3 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 3 criteria: Living capacity Single reflex Complex reflex Test results also show a similar rule and low average
Physical fitness was assessed based on 7 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 3 chi tieu: Chieu nghien cijru cac nam g§n day va chi cao hcfn so cao diing, can nang va BMI 0 cac do tuoi giua voi giai doan truofc nam 2001, vi du: nam va nli c6 su kliac biet dat do tin cay th6ng - Chieu cao cua tre mau nghien curu, nam 11
ke, s\f gia tang khong deu qua timg dp tuoi Dp tuoi dat 141.5 ± 5.28cm, so vai nam 2014 (khu
tu6i 11 xuit hien svt tang tnrcmg dot pha ygchi^u vuc d6ng Mng) 1^ 142.42 ±6.89 [2], nam 2001 cao dung ciia nu vai muc tang dat 12.15 cm la 137.59 ±7.39[l]va 19751^ 121.95 ±5.53 [6]; Tong muc tang truang chieu cao a nij trong 3 nu 11 tuoi dat 146.30 ± 5.85, so vai nam 2014 nam (9,10,11 tu6i) dat x4p xi 30cm Sau tu6i 11, la 142.53 ± 12.54, 2001 la 139.44 ± 7.32cm va miic tang truong cham lai, trung binh chi dat duai 1975 la cm;
2cm/nam Kit qua da cho thiy, b§n canh yeu to - Chieu cao ciia tre mau nghien ciiu, nam 14
di truyin va cac ySu t6 moi truotig s6ng nhu dinh tuoi dat 158.60 ± 4.86cm, so voi nam 2014 la duang, tam Ii, ho^t dpng TDTT, dieu kien kinh 162.95 ± 6.98,2001 la 155.67 ± 7.97 va 1975 la
tg va cac diiu ki?n tu nhien khac, sir thay doi npi 137.51 ± 8.05; tre nu 14 tuoi dat 152.5 ± 4.45, tiit t6 khi tre nii buac vao giai doan phat diic so v6i nam 2014 la 155.37 ± 5.45, 2001 la trudng thanh (d$y thi) som hon va manh han nam 151.28 ± 5.53cm va 1975 la 138.95 ±7.36cm; giai la nhan to chinh thuc day phdt trien the chat Nhu vay, so vai thai diem 2001, sau 17 nam Kit qua nay ciing cho thay, so vcri truac day tre vai sir phat trien nhanh cua nen kinh ti va su nii buac vao tuoi day thi som han va thai gian quan tam cua ca xa hpi thong qua cac chinh sach phdt d\ic ngin (9-11 tu6i) So sdnh vai cac nghien dan tpe nhung tre em cac DTTS Tay Nguyen cuu khac a Viet Nam cho thay cac chi so nhan mod chi bit kip muc dp phat triin vi hinh thai trie cua HS DTTS liia tuoi 11-14 khu vuc Tay cua tre toan quic va thip ban tre khu vuc d6ng
Trang 4Bang 2 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)
¥ 2026.50 355.33 551.33 2323.80 365.33 540.75 2888.00 356.63 549.93 3134.40 350.10 500.27
SD 332.69 5.01 24.50 190.57 16.88 10.56 281.68 22.74 15.90 311.13 4.59 1.56
tang/nam
428.74 -45.97 -115.38 297.30 10.00 -10.58 564.20 -8.70 9.18 246.40 -6.53 -49.66
nir (n=20)
¥ 2049.33 452.00 589.24 2351.20 481.13 632.07 2537.10 447.38 637.92 2722.23 458.10 617.67
SD 204.45 15.31 55.91 157.92 28.22 13.24 252.77 19.45 20.14 213.77 12.79 19.57
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
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 khi xem xet chi tieu nay 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 trong 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 thanh Can cir tieu
chuan danh gia BMI theo do 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 do dinh
duong va chd dp sinh hoat
2 Dac diem chijc nang sinh ly cda HS
DTTS lija tudi 11 - 14 khu vyc Tay Nguyen
Chiic nang sinh ly dupe danh gia theo 3 chi
heu: Dung tich sdng, phan xa don va phan x»
phiic Ket qua kiem tta ttinh bay t?i bang 2
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 ra cung vdi sir gia tang cua tadi, miic tang ttudng khdng 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 ra ttong sudt giai doan, manh nhit d nir dp tadi 11
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 khi budc vao dp tadi 12-14 Kit qua nay phii hop vdi qui luat sinh hpc tu nhien do 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
3 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 7 test, phan anh toan di$n cdc td chit: Nhanh, m ^ , mem ddo, siic ben va kha nang phdi hpp van dpng Kit qua kiem tta dupe xu ly dudi 2 hinh thiic: D^c diim
Trang 5Bang 3 Dac diem phat trien the lyc cua HS DTTS lija tuoi 11-14
khu vyc Tay nguyen, thai dilm 10/2018
Bp
tudi
11
12
13
14
Test
Luc bop tay thuan (kG)
Nam ngira co gdi gap than (lan)
Chay xuat phat cao 30m (giay)
Deo gap than (em)
Chay con thoi 4 x l 0 m (giay)
Bat xa tai chd (em)
Chay tay siic 5 phut (m)
Lire hdp tay thuan (kG)
Nam ngua eo gdi gap than (liin)
Chay xuat phat cap 30m (giay)
Deo gap than (cm)
Chay con thoi 4xlOm (giay)
Bgt xa tai chd (em)
Chay tay siic 5 phut (m)
L\re bop tay thuan (kG)
Nam ngiia co gdi gap than (lan)
Chay xuat phat cao 30m (giay)
Deo gap than (em)
Chay con thoi 4xlOm (giay)
B | t xa tai chd (cm)
Chay tuy siic 5 phut (m)
Luc bdp tay thuan (kG)
Nam ngiia co gdi g | p than (lan)
Chay xuit phat cao 30m (giay)
Deo gap than (cm)
Chay con thoi 4 x l 0 m (giay)
Bat xa tai chd (cm)
Chay tay sire 5 phut (m)
Nam (n=20)
"x 18.72 17.70 5.46 4.50 10.21 168.00 877.70 25.71 19.90 5.23 4.10 11.01 178.70 868.30 28.22 20.00 5.05 8.00 11.23 195.45 874.64 38.23 19.80 4.86 8.90 10.63 196.40 869.90
SD 1.70 1.64 0.37 1.69 0.96 12.39 88.93 2.37 1.79 0.28 2.02 0.98 16.30 72.99 2.65 1.41 0.48 3.39 1.12 18.50 82.86 3.30 1.81 0.14 2.96 0.66 16.94 46.59
Dd tang /nam
1.7 1.35 -0.69 -1.09 -0.96 5.82 40.05 6.99 2.2 -0.23 -0.4 0.8 10.7 -9.4 2.51 0.1 -0.18 3.9 0.22 16.75 6.34 10.01 -0.2 -0.19 0.9 -0.6 0.95 -4.74
nii (n=20)
X
22.67 15.30 5.76 6.60 10.76 158.30 766.60 28.13 12.33 6.05 7.33 11.10 159.30 744.80 29.60 13.20 5.64 6.50 12.10 160.20 738.00 27.09 17.80 5.70 10.00 11.92 162.50 734.40
SD 1.93 1.42 0.50 3.27 1.03 11.81 65.91 2.77 0.87 0.58 4.27 1.04 5.85
57 47 2.65 1.32 0.27 4.09 1.00 18.15 102.77 4.16 1.75 0.49 5.25 0.57 15.29 65.97
D$ tang /nam
3.22 -1.93 -0.39 -1.18 -1.54 4.3 -111.4 5.46 -2.97 0.29 0.73 0.34
1 -21.8 1.47 0.87 -0.41 -0.83
1 0.9 -6.8 -2.51 4.6 0.06 3.5 -0.18 2.3 -3.6
Bang 4 Ket quS danh gia tong hp'p the lyc theo tieu chuan ren luyen cua HS DTTS lii'a tuoi 1 1 - 1 4 khu vyc Tay Nguyen, thd'l diem 10/2018 (nnhsn, = 20)
Tuoi
11
Phan
loai
Tdt
Dat
K.dat
11 tuSi
Nam (%)
10
90
0
Nii (%)
20
80
0
12 tuoi Nam (%)
40
60
0
N& (%)
10
90
0
13 tuoi Nam (%)
15
85
0
Nir (%)
90
10
0
14 tuoi Nam (%)
30
70
0
Nii (%)
0
100
0
theo tieu chuin r^n luypn (can cii QD 53/QD- luc phat trien theo tadi vdi nhip dp tang trudng BGDDT) tren co sd 4 test (B|t xa tai chd, Chay khdng dong deu giira cac dp tadi, giira tte nam
tuy siic 5 phut, L\rc bdp tay t h u ^ va Chay 30m va nil cd sv khac bipt vdi bieu hi?n nam tdt hon
XPC), dupe ttinh biy tai cac bang 3 vd 4 6 nd d hiu hit cae td chit, ngoai ttir siic m ^
Trang 6mpt lin niia lap lai ttong qua ttrnh phat 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 khi cae ti chit thi luc nay d nii cd
miic gia tang thip va taong ddi dn dinh ttong dp
tadi 11-14 Siic bin (yim khi) d nam Ilia tadi 14
va d nil cac dp tail giai doan nay giam nhp lien
tuc Kit qua nay 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 nay cdng cho thiy, khi dieu kien ve kinh te,
xa hdi cd nhieu thay ddi, ddi sdng cua con 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 nay 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
gia tdng hop (bang 4) thi thi lire cua 100% hpe suih diu d mdc dat vi tdt do thang danh gia co sit d\mg qui luat bu tni giiia cac id chat thd luc
KETLUAN
1 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
2 Mire dp phat trien the chat cua HS DTTS lua tail 11-14 khu vuc Tay Nguyen diin ra 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 con thip hon tte khu vuc ddng bang thdi didm 2014
TAI LIEU THAM KHAO
1 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
2 Nguyin Dai Duong & CS (2016), Diin biin phdt triin the chdt cm hpc sinh pho thong tit lop
I din lap 12, Nxb TDTT, Ha Ndi, tt.138-165
3 Bui Quang Hai, Vii Chung Thuy, Nguyen
Kim Xuan (2015), Tuyen chpn vdn dpng vien the
r/iao, Nxb TDTT, tt.l25
4 Luu Quang Hiep, Vu Chung Thuy, Le Diic
Chuang, Le Hilu Hung (2000), Y hpc TDTT,
Nxb TDTT, Ha Npi
5 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
6 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
y ttong cdng tac giao due thi chit hpc dudng Tuy vay, khi danh
(Bai npp ngay 28/1/2019, Phan bl$n ngdy 14/2/2019, duy#t In ngdy 22/2/2019