BAI BAO KHOA HOC
LITA CHON
B A I T A P N A N 6CAO TRINH flO KY THUAT BAT BONG THUAN TAY CHO NAM SINH VIEN flOl TUYEN BONG B A N TRIfifNG DAI HOC SlT PHAM HA NOI
N g u y i n Thj Todn*
T6m tSt: ^ ^ ^ ^ ^ ^ " ^ ^ Thdng qua cdc phuang phdp nghien ciiu ca bdn d4 tdi da lya chgn dugc 3 test vd 13 bdi t^p,
xdy dyng k6 hogdi thye nght§m hodn ttii^n k? thu|it b^it bdng thu§n tay cho nam sinh vien ddi tuy^n Bdng bdn Trud-ng Dgl hgc su ph^m Hd Ndi.
TIP khda: Bdi tgp, K5 thu#t, Bgt bdng, Ogi hpc su phgm Hd Ngi.
Selection of exercises to forehand drive technique development for male students in Hanoi University of Education Table Tennis Team
Summary:
• By the basic research methods, the study has selected 3 tests and 13 exercises, at the same time built an experimental plan to develop ^ e forehand drive technique for male students in Table Tennis Team of Hanoi University of Education
Keywords: Exercises, technique, drive, Hanoi University of Education BATVANO^
Trong mdn Bdng bdn, theo cac chuyen gia thi ky thu^t eg bdn vd quan trgng doi vdi mdi VDV dd Id ky thu|t bat bdng. Bat bdng Id ky thuat cd thi d6i phd vdi bat k^ lo^i bdng ndo thu|n tay, trdi tay, bdng ddi hole bdng ngdn, xody Idn,
eiiu, lya mOt sd bdi tap vd xay dyng ke ho^ch thuc nghiOm d l ddnh gid hiOu qud d^t dugc qua thye tien hu4n luyOn.
PHiniNGPHAFNtHlENCilU
Qud trinh nghien cihl d l tdi sii dyng edc phuong phdp nghiOn ciiu: Phucmg phdp phdn xody ngang, xody xuong bdn thu jn tay hay ben tich vd t6ng hgp tdi liOu; Phugng phdp phdng trdi tay dIu thye hi$n dugc. Ddy Id ky thu^t tin van; Phuong phdp kilm tra su p h ^ ; Phuong cdng dp ddo vdi siic manh Idn kit hgp vdi biln
hda diem roi ldm cho ddi phuong l ^ g tiing khi doi phd vd khd phat huy so trudng v l ky thi4t.
Trudc sy phdt trien mjinh me ciia phong trdo bdng bdn, Trudng D p hgc Su phjm Hd NOi da thdnh % DOi tayin Bdng bdn dl tham gia thi
phdp thuc nghiOm su phjun; Phuong phdp todn hgc thing kd.
KfTQUANtHlENGSUVABANLUAN 1. Lya chgn bdi t$p liodn thiOn k; thu(lt bfit b6ng thu$n tay clio nam sinh viSn DOi t u y i n Bdng bdn Trading D^i ligc s y phi^m dau edc gidi do khu vyc Hd NOi td chiic vd cung Hd NOi
diit dugc nhilu thdnh tich ddng khich 1$. Dl tdi tiln hdnh lya chgn cdc bdi t?p thdng qua Tuy nhien, trong thye t l thi ddu hiOu qua ky cdc budc dgc vd tham khdo tai liOu, phucmg phdp thuat bjit bdng cua edc VDV dgi tuyIn cdn chua phdng v i n trin doi tugng Id 12 nhd khoa hgc, eao. B I nang cao hiOu qud ky thu$t bjit bdng gidng vien mdn Bdng bdn. Kit qud da lya chgn thujn tay cho nam sinh vidn DOi tuyIn Bdng dugc 13 bdi tap hodn thiOn ky thujt b?t bdng bdn Trudng DHSP Hd Ngi, chiing tdi nghien thu|n tay cho nam sinh vidn Dgi tuyIn Bdng bdn
•ThS, Trudng Dai hgc Su pham Hd Ndi; Emaii: toannguyen1962@gmaii,com
MBTAOVIimDiHUfffllllHtlHiyi - S t f a g Q I ? Trudng Dai hpc su ph^im Ha N6i, g^m: b^t phai 30 ISn x 3 t6, nghi giua 3 phiit.
+Nhom bdi t^pphat trien thi l^e: 5 bdi t^p 2. (Tng dung cAc bai t$p ho^n thi$n ky - Ch^y 100m x 3 t6, nghi giua 6 phiit thu$t bgt bong thu$n tay cho nam sinh viSn -Bitbiict^cho3013nx5td,ngMgiira3phi^t doi tuyin B6ng bdn Tru'd'ng Dgi hpc su*
- Nam sdp chong ddy 30 lan x 516, nghi giiia pham Hk N$i 5 phut T6 chi!rc thuc nghidm.
- Gap b\mg 30 lan X 5 to, nghi giiia 5 phiit - Phuong phdp th\rc nghidm: Th\rc nghi$m so - Nhiy day 30 Ian x 5 t6, nghi giua 3 phut sanh song song.
+Nhdmbditgpphdttriinkythupt:8bdit0p - Thc^ gian thye nghi$m: Thai gian thuc - Cam v<3rt sat (1kg) m6 phong ky thu^t Wt nghidm trong 3 thdng tii 1/2016 den 4/2016 m6i b6ng thuan tay 30 lan x 3t6, nghi giual phiit;
- Bgt bong diu^ tay tir 1 didm sang 1 didm vdi I xoay ngang 30 l§n x 516, nghi giiia 1 phut);
tulin 2 buoi, m6i bu6i danh 20 - 25 phiit d^ th\rc hi?n cdc bdi tap hoan tiii$n ky thuat haX bong thuan tay cho nam sinh vien dpi tuySn bdng Ban - Bat bdng thuan tay tir 1 di6m sang 3 di6m tnrdng Dai hpc su pham Ha N0i
vdi bdng xoay 16n 30 l4n x 516, nghi giiia Iphtit - Soi tuang th\rc nghipm: 14 nam nam sioh 30 giay; vien dpi tuyen Bdng Ban trudng Dgi hpc su - Di chuyen bat bdng thudn tay tii 2 diSm ph^m Hd N6i dupe chia ldm 2 nhdm : D5i sang 1 diSm vdi bdng xody len 30 lan x 5 t6, chiing 7 sinh vien, thuc nghi|m 7 sinh vien.
nghi giiia Iphut 30 giay; Nhdm th\re nghidm t|ip luy^n theo 13 bai tap md - Phdi hpp di chuySn bat bdng thu|n tay ket ^^ tai lya chpn. Cac bai tap ky thuat dupe td hpp giat bdng thuan tay 30 Idn x 5 td, nghi giiia chiic thvc hien phdn ca ban cua budi tap vdi 3- 2 phiit;
- Gd bdng ket hpp vdi b ^ bdng thuan tay 30 lan x 5 td, nghi givta Iphiit 30 giay;
- Giao bdng k6t hop vdi bat bdng thuan tay 30 lan x 5 to, nghi giiia Iphiit 30 gidy;
- Deo tg chdn thuc hien ky thuat day trdi ne
5 bdi tdp cdc bai tap the luc dupe ti6n hdnh tap cudi phan ca bdn. Nhdm ddi chiing tap cdc bai tap cu.
- Dia didm thye nghiem: Nha thi dau trudng Dai hpc su pham Ha Npi
Tien trinh thuc nghiem dupe trinh bdy bdng 1.
Bang 1. Tiln trinh i>ng dgng cdc bai t$p hoan thi^n ky thu|t bat bong thu|in tay cho nam sinh vien Doi tuyen Bong ban Truing Dgi hpc su> phgm Hd Npi
TT 1 2 3 4 5 6 7 8 9 10 11 12 13
Bdi t^p Bdi tap 1 Bai t|lp 2 Bai t|Lp 3 Bdi tap 4 Bdi tap 5 Bai t^p 6 Bai tip 7 Bdi tip 8 Bdi tap 9 Bdi tap 10 Bai tap 11 Bdi t^p 12 Bai tap 13
Thdng 1 T l
X X X
X X
T2
X
X
X X X
X X X
T3
X X X
X X
X X
X X
T4
X
X
X
X X X
X
Thdng 2 T l
X
X X
X X X
X
T2
X
X X
X
X
X
X
T3
X X
X
X
X
X
T4
X
X
X
X X X
X
Thang 3 T l
X
X
X
X
X
T2
X
X
X
X X X
X
T3
X
X X
X
X
X
T4
X
X
X
X X X
X
BAIBAOKHOAHOC
xody len 30 qud, tinh s6 qua thdnh cdng (qud);
Qua bang 1 cho thdy: Vifc sap xIp edc bdi tap Bat bdng t h u ^ tay tCt 1 dilm sang 1 dilm vdi trong thdi gian 3 thdng thye nghiem Id khoa hgc, bdng xody xuoiig 30 qud, tinh s6 qud thanh cdng cdc bdi tap dugc tiln hdnh ttong cae tudn phu hgp (qud); Di chuyin bjit bdng thuan tay til 2 dilm vdi muc dich, yeu cau va nhidm vy tap luyen. sang 1 diem vdi bdng xoay Idn 30 qud, tinh sd
3. Ket qua Crng dyng bdi tap hodn thien ky qud thdnh cdng (qua) tliult bat bong lhu$n tay cho nam sinh vidn 3.2. Kk qui thifc nghifm
Ogi tuyen Bdng ban Truwng B^i hoc s y Tmila thye nghiOm dl tai tiln hdnh kilm tra ph^m Ha Ngi vd so sdnh trinh dO ky thuat bat bdng thu|n tay 3.1. Lifa chgn test dinh gia l^thu^tbift hong cda 2 nhdm. Kit qua kilm tra vd so sdnh thu dugc thu^n tay cho nam sinh viln Bfi tuyin Bong ^^„ (jjjy t^joc thye nghiem, trinh do ky thu^t bjt ban Trudng Bgi hoc suphfm Ha Npi bdng thuOn tay cda 2 nhdm diyc nghiOm vd doi DO tdi tiln hanh lya chgn test ddnh gid ky (.(i^ng khong ed su khde biet cd y nghia thong ke thujt bat bdng thuan tay cho nam sinh vidn dgi vditM,<ti,toj = 2.101 dnguongxdesudtP>0.05.
tuyIn Bdng bdn tntdng Dai hgc su pham Hd NOi giju 45 chiing td kit qud phan nhdm thye thdng qua cac budc: Tham khao tdi lieu, phdng nghiem dam bdo tmh n ^ u nhidn, khdch quan vd vdn vd xdc djnh tinh thdng bao vd dO tin cay ciia (uong ddng d thdi dilm trudc thye nghiem. Sau test. Kit qua da lya chgn dugc 3 test gdm: Bjt 3 j h ^ g thye nghiem, kit qud kilm tta dugc hinh bdng thudn tay tu 1 diem sang 1 diem vdi bdng ^y ^ \)^o 2,
Bdng 2. Ket qua kiem tra trinh dd ky thu$t bat b6ng thudn tay sau thye nghidm cua 2 nhom thy^ nghiem vd d6i chiVng
STT Test
Nhom doi chung (n=7)
x + 5
Nhdm thye nghidm (n=7)
x±5 B^t bdng thuan tay tit 1 diem sang 1
diem vdi bdng xody len 30 qua, tinh sd qud thdnh cdng (qua)
25.14 ±1,96 2,70 B^t bdng thuan tay tit 1 diem sang 1
diem vdi bdng xoay xudng 30 qud, tinh so qua thdnh cdng (qud)
17,86 ±1,86 3.29
Di chuyin b^t bdng thuan tay tir 2 diem sang 1 diem vdi bdng xody len
30 qud, tmh sd qua thdnh cdng (qua) 20. 14 ±1.73 24.28 ±1.73 <0.05 Tit bang 2 cho thdy: Sau 3 thdng thye nghiem
kit qua kilm tta cda 2 nhdm thye nghiem va ddi chiing da khde bigt ro vdi tu.!, dIu > tbing = 2.101 is nguong xdc suat P < 0.05. Dilu dd cho thdy cdc cdc bdi tap ma dd tdi lya chgn da phdt huy hiOu qua rd ttong viec hodn thien ky thuat bat bdng thuan tay cho nam sinh vien DOi tuyIn Bdng bdn Trudng Dai hgc su phjm Hd Noi.
D I lam ro hon mu:c do cua sy khac biet dl tai tiln hdnh ddnh gid nhip tang ttudng cua hai nhdm thye nghiOm vd ddi chiing d thdi dilm ttude vd sau thuc nghiOm. Kit qud dugc ttinh bdy d bang 3.
Qua bang 3 eho thiy: Cd nhdm ddi chiing va thye nghiOm dIu cd sy tang trudng vl trinh dO ky thuat, tuy nhien, cr nhdm ddi chiing nhip tdng trudng thap hon d nhdm thye nghiem. Nhip tang trudng d nhdm d6i chiing chi dat tir 12.56 % den 18.21% cdn nhip tang trudng a nhdm thye nghiem &at tk 26.52% din 28.12%. Nhu vay, cde bdi tap dugc lua chgn vd k l hojch thye nghidm da tao duge hieu qud tich cyc ttong vifc hodn thien ky thuat bat bdng thujn tay cho nam sinh vien DOi tuydn Bdng bdn Trudng D^i hgc su pham Ha NOi.
BAOTWIIIiHIMUIYHyffiTHIIO -863/2017
Hoan thi^n ky thu^t can ban Id mpt trong nhirng van de du'p'c quan tdm trong gidng dgy bdng bdn t^i nhilu truing d^i hpc (Anh minh hpa)
Bang 3. Nhjp tang truvng cua cac test danh gid trinh dp ky thu$t bat bong thu|n tay cua nam sinh vien Dpi tuyen Bong ban TrLPd>ng D^i hpc sir ph^m Hd Npi sau thi^c nghiem
sn
1
2
3
Test
Bat bong thudn tay tir 1 diSm sang 1 diem vdi bdng xoay len 30 qua, tfnh s6 qud thdnh cdng (qua)
B^t bong thudn tay tir 1 dilm sang 1 diem vdi bdng xody xuong 30 qud, tinh so qud thdnh cdng (qud) Di ehuydn bat bdng thudn tay tCr 2 diem sang 1 dilm vdi bdng xoay Idn 30 qud, tinh s6 qud thanh cdng (qud)
Nhdm ddi chi>ng (n=7) Tru'd'c TN
x ± 6 20.14 ±1.49
16.14 ±1,52
17,86 ±±1,68 SauTN
x ± 8 22,29 ± 1 96
17,86±1,86
20,14 ±1.73 W%
17.70
12.56
18.21
Nhdm thirc nghiem (n=7) Tru'dc TN
i;±6 19.86 ± 1 4 9
16.43 ±1.52
17,71 ±1,86 SauTN
x ± S 25,14±1,96
21.14 ± 1 86
24,28 ±1,73 W%
27,83
26,52
28.12
XETLUAN
1. Thdng qua nghien cihi da lya chgn duge 3 test danh gia trinh dO ky thuat bat bdng thu$n tay cho nam sinh vidn Dgi myen Bdng ban Trudng Dai hgc su pham Hd NOi.
2. D I tdi da lya chgn duge 15 bdi t^p vd Xay dung k l hoach thye nghiem. Kit qud img dung da phat huy hiOu qud nang eao trinh do ky thu^t b^t bdng thu|ln tay eho nam sinh vidn Ddi tuyen Bdng bdn Trudng D^i hgc su pham Hd Ngi, gdm:
* Nhdm bdi t | p phdt triln fhl lyc: 5 bdi
* Nhdm bdi tOp phat triln ky tfiuat: 8 bdi TAI LIEU THAM KHAO
1, Nguyin Danh Thdi (1997), Bong bdn hien d<i!, Nxb TDTT, Hd Ndi.
2. Nguyen Danh Thdi, Vu Thdnh Son (1999), Bdng ban, Nxb TDTT, Hd NOi.
3. Nguyen Todn, Pham Danh Tdn (2000), Ly luan vd phuang phdp TDTT, Nxb TDTT, Ha NOi.
4. Nguyen Xuan Sinh (1999), Phuang Phdp nghien cuu khoa hpc TDTT, Nxb TDTT, Hd Ngi.
5. Nguyin Diic Van (1987), Phucmg phdp todn hoc thong ke, Nxb TDTT, Ha Ngi.
(Bai nOp ngdy 12/6/2017, Phdn bien ngdy 14/6/2017, duydt in ngdy 25/6/2017)