Ml TM H mwm/ta IK HW - 50 BAC Bitr/zou
M DUNB BAI TAP BO TR0 TRONG GIANG DAY KY THUAT NHAY XA "IfiiN THAN" CHO SINH VIEN
CHUYEN NGANH GIAO OUC THE CHAT, TRI/iiNG OAI HOC TAY BAC
Ph^m OiJc Vien*
ft Tdmtdt:
B Bdng cdc phifdng phdp nghien cifu co ban xdc djnh di/g-c 34 bdi tdo i>ng dung gidng trong M y ky thudt nhay xa kiiu aan thdn cho sinh vidn chuydn ngdnh gido dye the chdt Tru-6-ng Dgi
^fec Tdy Bdc, sau 4 thdng thi^c nghicm dem Igi hi#u qua ndng cao thdnh tich nhay xa cho d6t Bn/ng nghidn ci>U-
Ti>kh6a: Bdi tdp b^trc?. Nhdyxa kieu Vcrn than", sinh vidn, ngdnh GDTC, thdnh Uch nhay xa...
Applications supplementary exercises in teaching the techniques of Jumping subject named "hyperextension body" for the students of Physical Education,
Northwestern University
bummary: J By the method of fundamental research . 34 apps exercises for long jump technique i
hyperextension body type for siudents of Physical Education in Northwest University were identified;
this brought effectiveness to improve the long jumping's record for research subjects.
Keywords: Exercise complementary. Jump-styfe "hyperextension body." Physical Educalion, , Sector- e«perimental. student, long jump record .
OAT VA'N Di
KOi qua khao sal qua trinh d^y hpc ky thudt d^ng tdc nhay .xa kieu "iron thdn" cho sinh vien khoa TDTT Tnrcmg D^i hpc Tay Bdc trong nhijni: ndm qua cho iha>. m$c dii Mi;i inrong \a Khoa JJi din moi ve phuong phap giang dyy. song kcl qua giang d^y k\ thudt nhay xa kieu "uon thdn" cho sinh vicn van chua d^t hi^u du^c qua mong muon. -Xuat phat tir ycu cau th\rc ticn can phai doi mdi. nang cao chat lirdng ddo t^o smh vicn chuyen ngdnh GDTC cua Khoa TDTT Truimg E)9i hpc Ta\ Bdc trong thoi gian toi, chiing i6i tien hdnh n^ien cuu: U'ng d^ng bai tdp bo Ir^i trong gidng d^y ky thudt nhay xa kieu "udn than" cho stnh \ ien chuyen nganh gido dye the chat Trudng D^i hoc Ta> Bdc
PHUONG P H A P N G H I E N dJTU
Nghicn ciru dd su dung cac phuong phdp nghicn cuu thudng qu> nhu: Phuang phdp dpc
\a phdn lich ldi li^u. phuong phap phong van
'ThS. Trucmg O * hoc T4v Bdc
tQa dam. phuong phdp kicm tra su ph^m, phuong phdp ihi^c nghi?m su ph^m. phuong phap toan h(>t ihonj ke.
K^T QUA NGHIEN CifU VA BAN LUAN 1. Li/a chpn bdi t^p bo trg* trong gidng d^y ky thu^t nhay xa ki^u "iFan thdn"
cho sinh vien chuyen ngdnh gido d g c the chat Jnrtmq Oai hpc Tdy Bdc
Chiing toi lien hanh l^a chQn bai t^p bo trp trong giang day ky thudt nhdy xa kieu "uan than" cho sinh \ien chuyen Nganh GDTC Trudng Dai hpc Tay Bdc qua cdc budc:
- L^a chpn qua danh gia thye tr^ng, tham khao tai h^u
- Lya chpn qua phong vdn
Ket qud lya chpn dupe 34 bai t^p bo trp chu>en mon ihupc 5 nhdm gom:
A. Nhom bai tdp bd tn; ky thudt chgy da - Bai ldp 1: Cha> tdng loc dp 60 m tren duong ihdng.
BAI BAO KHOA HOC
- Bdi tap 2: Chay dd tnmg binh 13-15 budc chay thuc hi?n giam nha\ vao hd cat
- Bai tap 3: Chay loan da ihyc hien gidm nhdy nh? budc bp vao ho cat.
- Bai ldp 4: Chay loan da tren dudng thdng CO vgch bdo hi?u 4 - 6 budc cudi.
- Bai tdp 5: Chay loan da cd \ ach bao hi?u 4 - 6 budc cudi ket hpp giam nhay nh? budc bp vdo hd cat.
B. Nhdm bdi tdp bd trp giam nhdy - Bai tap 6: Tgi cho ddi chan gidm nhdy.
- Bai lap 7: Di bp mpt vai budc dat chan giam nhay budc bp.
- Bdi tap 8: Di bp mpt \ai budc giam nhay budc bp ket hpp ddnh iJ\ .
- Bdi igp 9: Chgy 3 budc gigm nhdy budc bp kel hpp ddnh ia\.
- Bai tap 10: Cha> 5 - 7 budc giam nhdy budc bp qua rdo thap vao hd cat
- Bdi tgp 11 Cha> 3 5 budc da gigm nhay budc bp qua rdo thap Iicn tyc tren dudng chgy.
- Bai tgp 12: Cha> toan dd gigm nhay budc bp qua rdo (xa ngang) cao tir 70 - 90 cm co phoi hpp danh \6c tay. tiep dat bdng chan gigm.
C Nhom bai tgp bd hp tren khdng va tiep dat - Bai tgp 13: Dimg tai cho md phdng dpng tac trcn khdng \ a iicp d.\t
- Bai tgp 14. Dung tren bye go thye hi?n dpng tdc tren khdng va tiep ddt.
- Bdi tgp 15: Chgy 3 - 5 budc gigm nhdy ihyc hi?n dpng tac ircn khdng va liep dat cd bye go.
- Bai tgp 16: Bam tay tren xd don thye hi?n dpng tdc udn than vd bgi ngudi \ c phia Irudc.
- Bai tgp 17: Dimg tgi cho bat udn than vdo hd cat.
- Bai tgp IS Chgy dd 5 7 budc gigm nhdy thye hi?n dpng tdc udn than qua rao Ihdp hodc xa ngang cao 40->(i cm.
D. Nhom bai tgp bo tra phoi hpp - Bai tgp 19. Chgy 5 - 7 budc dd ihyc hi?n todn bp ky thugt iren khdng \ a tiep ddt.
- Bai tgp 20: Chgy da ngdn 9 - 1 1 budc thye hi?n dpng tdc gigm nhdy, tren khdng va ti£p dat.
- Bai tgp 21: Chay 9 - 1 1 budc da ihyc hi?n dpng lac gigm nhay tren khong iiep dat qua chudng nggi \at dgt a 20 qiiy dan bay.
- Bdi tgp 22; Chgy da irung binh ihyc hi?n loan bp ky thugl tren khdng va liep dat.
- Bdi tgp 23; Thye hi?n loan da \ di nhjp di?u da dn dinh.
E. Nhom bai tap bd Irp the lyc chuyen mdn - Bai tgp 24: Cac bai tap phat trien toe dp chuyen mdn.
- Bai tgp 25: Ganh ta budc bye ddnh ldng.
- Bai tgp 26. Keo ta phia sau diu.
- Bai tgp 27; Ganh i.i kieng chan.
- Bai tgp 2S; Lo co.
- Bai tgp 29; Ganh la dung len ngoi xuong 1/1 - Bai tgp 30: Bgt nhu> thu gdi tren cdt.
- Bai tgp 31: Hal ig ra truoc s.ui Jo hat tg qua dau ra sau.
- Bai tgp 32: Ke byng tren thang gidng.
- Bai tgp 33, Ckmh tg 50 60% trpng Iupng CO the chgy nang cao dui lgi cho.
- Bai tgp 34 Ganh tg 50 b- 60% trpng lupng CO the bgt xogc doi budc.
2. L^a chpn test ddnh gid ky thu$t nhdy xa kieu "u^n thdn" cho SV chuydn ngdnh GDTC tnpd^g d^i hpc Tdy Bdc
Chung toi lien hanh lya chpn lest danh gid ky thugt nhdy xa kicu "udn than" eho sinh vien chuyen nganh GDTC Trudng Dgi hpc Tay Bdc thong qua cdc budc:
- Tham khao tai liiju. quan sat su phgm - Phong van bang phieu hoi - \;ic djnh dp lin cay ciia test - Xac djnh tinh ihong bdo ciia test Kcl qud lya chpn dupe 04 test danh gid k\
thugt nhay xa kieu "udn than" cho sinh vii'n chuyen nganh gido dye the chat irudng dgi hpc Tay Bdc gom:
1. Chgy 30m tdc dp cao (s) 2. Bat xa tgi cho (cm) 3. Nhay xa 5 - 7 budc da (m) 4. Nhay loan dd(m)
3. LTng dgng vd ddnh gid hi$u qud cdc bdi t|ip lya chpn
3.1. Td chue thftv nghifm .suphgm Tnrdc khi tien hanh Ihyc nghicm chiing ti>i phan nh6m thye nghi?m va nhdm doi chirng mpt cdch ngau nhien. ddi tupng Ihyc nghicm g6m 60 sinh vicn khod Cao dang 50 vd khod 51 Dgi hpc A. B Khoa GDTC Tnrdng Dgi hpc Tay Bdc. Qua trinh thye nghicm dupe li^n hdnh trong thdi gian 'H thdng (tir thdng 03/2011 d k thang 06/2011).
•JTHIMWUiyaTgTWS - S < B A C B I | T / 2 0 U Cdn cu \ ^ chuung trinh. k^ hogch, tien trinh 3.2. Ddnh gid hifu qud th^ nghifm vd giao dn gidng dgy ciia Nhd tnrdng va cua D^ xac dinh hieu qua cdc bai tgp da lya chpn Khoa. chung tdi xdy dyng ehuong trinh giang chung toi tien hdnh kiem tra 04 test tren ca 2 dgy lv\ thugl nhay xa k i ^ udn than cho nhdm nhdm thye nghi?m vd nhdm ddi chung. Kel qud Ihyc nghi?m: thu dupe nhu trinh bay d bang 1 va 2.
Thdi gian tgp luy?n Id 02 \\kxl I tuan (theo Tir ket qua thu dui;rc d bang 1 cho ihay: K^l tf)6i khod b i ^ cua nha trudng). Thdi gian tap tir qua kiem tra d cac test lya chpn giiia hai nhdm 90 phiil d ^ 105 [^ut. Tdng sdgiao an gidng day thuc nghiem \a ddi chiing (d ca nam vd nir k> thugt nhay xa kieu udn than trong 01 hpc ki khdng cd sy khdc biel (P > 0,05). dieu do chirng cua chuang trinh Ihyc nghi?m su phgm Id 15 td rang trude khi tien hanh ihyc nghi?m, trinh giao dn. Thdi gian giang dgy ky thugt nhay xa dp cua 2 nhdm ta ddng deu nhau.
udn than dupe cdc giao \ icn qudn ly chat ehe Tir ket qua thu dupe d bang 1 va bang 2 tren trong timg nbdm, logi trir cdc yeu id khdch quan cho thay:
anh hudng den giang dgy, chi cdn lai sy tac dpng - 0 tai ca cdc npi dung daiih gia trinh dp ky cua cdc bdi igp idi tung nhom nghien cim. thugl nhay \a udn than ciia hai nhdm thye
Bdng 1. Ket qud kiem tra trinh dp ky thu$t nhdy xa kieu ITOTI thdn ciia d6l tirpng nghien ci>u t n r o ^ t h i ^ nghicm
(NamTN = 19; Nam. = 19; NQ^ = 11; NODC = 11) TT
1
2
3
4
Test
Ch^y 30m toe dg cao (s)
B^t xa t^i cho (cm)
Nha> xa 5 - 7 budc da (m)
Nha> t o ^ Ai (m)
Giari linh Nam Na Nam
Nii Nam Nii Nam NCr
Ket q u a kicm t r a Nhom EX:
4.47±0.36 5.27i0 42
; : 3 . 0 5 r l 7 . S 4 1%.40-15.71
4.33±0.75 3.31 ±0.67 4 . 6 3 J O . : 7 .'- . M : i ) : ;
Nhom TN 4.3''.-() .34 5 1530.40 : : 7 5 4 ± I 7 . 5 2 :(K) 35^15.43 4 43:0.73 3 40:0.65 4 54 =0.25 3.61^0 15
t 0.841
0.64 0.781 0.595 0.858 0.653 1.469 1.261
P
>0,05
>0,05
>0,05
>0.05
>0,05
>0,05
> 0 . 0 5
> 0 . 0 5 Bdng 2. Kdt qud kl6m tra trinh dp ky thugt nhay xa \jfcm thdn cua d6l t u ^ n g
nghidn ciru sau thpc nghi$m (Nam-, = 19; Namoc = 19; N d - , = 11; NUDC = 11) TT
1
2
3
4
l i s t
Ch^y 30m toe dp cao (s)
Bft xa l«i chS (cm)
Nha> xa 5 • 7 biroc da (m)
Nha> loan da (m)
Gidi tinh Nam Nii Nam
Nii Nam
Nii Nam
Nii
Ki-t qua kiem tra Nhom DC 4.35±0.23 5.13±0.27 229 (11:124;
2(11 M ± l ( i ' ) 3 4.41=0.2?
3.27i0.17 4 83±0.27 3.64±0.20
NhomTN 4.15i0.21 4 «>>=0.25 2.'>9 54:13.28 212 93:11.80 4 62 t o 23 3.43:0 r 5.04-0.25 3.83±0.19
t 2.863 2.178 2.526 2.328 2.731 2.209 2 469 2 261
P
<0.05
<0.05
<0.05
<0.05
<0.05
< 0.05
• (1(15
• !)»'•
BAI BAO KHOA HOC
nghi?m va doi chiing da cd sy khdc bi?t (P<0.05).
Hay ndi mpt cdch khdc, vi?c ung dyng cdc phuong phdp, phucmg li?n huan luy?n ciing nhu h$ Ihdng cdc bdi tgp bd trp md de tai lya chpn da Id rd tinh hi?u qua trong vi?c ihyc hi?n ky thugl nhay xa udn than cho ddi tupng nghien cim.
- Dien bien thdnh tich dgt dupe d cd 4 npi dung danh gid trinh dp k\ thugt nhay xa udn than ciia nh6m thye n g h i ^ ldng Icn Idn hon so
\ di nh6m doi chung. dong thdi nhjp tang iruong cua nhdm thye nghi?m cung Idn hon so vdi nhom ddi ctunig
- Dc khang dinh rd hi$u qud h^ ihong cac phuong ti^n giang dgy vd cdc bai tgp bo trp chuyen mdn da lya chpn, img dyng trong giang
Bdng 3. So sdnh k^t qud kidm tra ddnh gid ky thu$t hodn thidn nhdy xa kidu [f€m thdn cua
nam sinh vidn 2 nh6m d6i chi>ng vd t h i ^ n g h i c m sau thLrc n g h i c m
Nhdy xa v & n thdn Id ky thudt t h u a n g d i r p c sO dyng trong thi ddu n$l dung nhdy xa hl^n nay (Anh minh hpa)
dgy nhdm thye hi?n toi ky ihu§t nhdy xa kicu udn thdn cho doi tupng nghien ciru. sau khi kcl thiie qud trinh ihyc nghi?m, chung ldi lien hdnh so sdnh ket qua kiem ffa ddnh gid ky thugt hodn thi?n giira nhdm doi chimg va nhdm thye nghi?m. Ket qua ki6m tra ddnh gid ky lhu$t dupe cdc gido vien trong bp mdn vd khoa TDTT Trudng Dgi hpc Tay Bdc td chirc kicm ira ddnh gid theo thang diem quy d|nh do bp mon xfiy dyng. Kel qud thu dupe nhu trinh bdy d bdng 3 vd4.
Tir ket qua thu dupe d bdng 3 vd 4 cho lh4y, khi so sdnh ket qud kiem tra danh gid hoan lliiC'n ky thugt nhay xa udn than cua 2 nh6m doi tupng nghien cuu giira nhdm doi chimg vd nhom thye
Bdng 4. So sdnh kSt qud kidm tra ddnh gid kj thudt hodn thi$n nhdy xa u'd^ thdn ciia ni> sinh
vidn 2 nhdm d6i chi>ng vd t h ^ nghicm sau thi^ nghicm
\ e p loai
A B L 1 oim bo sanh
Ki't qua kicn) tra danh ^ia k\ thuat
n c l . i . ' i i K n ' l l i 12
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T o i i R
IU 7 5 22
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A B
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Tong So sinh
Ket qua kilm tra dinh gii ky Ihuft Nh»'mi ihvc nghi?m (ff-111
8 5.000
3 3.500
0 2.500
I I
Nh6m dot thi/ny (n-^II)
2 5.000
4 3.500
5 2.500
I I X-'.«. » ^ 4 1 • X',,,..
VOI P- 0.(15
Ting
10 7 5
11"
7.815
uo t « VII IM unBrnrnM - sA BAG BiiT/zou
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Thi,rc hi^n dung ky thudt giup ndng cao dang ke thdnh tich nhay xa ki^u u^n than (Anh minh hpa)
nghicm cho ihAy. c6 sy khdc bi^t ro r^t ve kel qua kicin ira, ddnh gia hodn ihi^n ky thugl nhay xa udn than giu^ hai nhdm X^,m dcu > X\ui( = 7.815 vdi P < 0.05. Didu do mpt Idn nira Igi khdng dinh ro hi^u qua cua h^ thong cdc phuong phdp va cac bdi tgp bd trp img dyng trong gidng dgy ky thugt nhdy xa kieu udn than cho sinh
\kn khiM TDTT Trudng Dgi hpc Tay Bdc.
KiT LUAN
llidng qua nghien ciru da lya chpn dupe 34 bai tdp bo trp ihupc 05 nhdm bdi tgp ung dyng trong giang dgy ky Ihugl nlid\ xa kiOu udn than cho smh vicn khoa TDTT Trudng Dgi hpc Tdy Bdc, bao gom:
- Shorn bdi tgp bd trp ky thugt chgy dd: (5 bdi tgp)
- Nlmin l>.!i tgp bo trp ky thugt gigm nhdy: (7 bdi tgp)
- Nhdm bdi tdp bd ira ircn khdng va iicp dat.
(6 bai tgp)
- Nhom bdi tgp bo trp phoi hpp: (5 bdi igp) - Shorn bdi ldp bd trp the lyc chuyen mdn:
(II bdi tgp)
Thong qua qud trinh Ihyc nghicm su phgm vdl thdi gian 04 ihdng, dd xdc dinh dupe hiv-it qua rd r^ ciia hp thdng c.ic bdi Igp bd trp ung dvng trcmg giang dgy ky Ihugt nhay xa ki^u udn thdn cho ddi tupng nghien cuu dgt d ngudng dtAng kc can ihict.
TAI LI|U THAM KHAO
1. Valich. B (1981). Huan luyfn VDV diin kinh trc. Nvb TDTT, Ha Npi.
2. Ngu\cn Dgi Duong vd cpng sy (2006).
Sdch gido khoa Dien kinh. Nxb TDTT. Ha Npi.
3. Ngu\cn Thdnh Long (2005). "Xay dyng h^ ihdng bdi tgp bd trp chuyen mdn trong qud trinh gidng dgy ky thugl nhay xa udn than cho sinh vien chuyen sau dien kmh trudng Dgi hpc The dye The thao I". Lugn van Thge si khoa hgc gido dgc, Trudng Dgi hpc TDTT I.
4 Nguyen Todn, Phgm Danh Ton (2000). Ly lugn vd phuang phdp the dgc the thao, Nxb TDTT, Ha Noi
5. Ngu\Cn The Truyen, Nguyen Kim Minh, Tran (Juoc Iiian (2002), 77ew chudn ddnh gid trinh dg tgp luyfn trong tuyen chgn vd huan luyfn the thao, Nxb TDTT Ha Npi, tr. 77, 108 - 110,206- : 3 I .
(Bdi n$p ngdy 8/9/2013, phdn bl^n ngay 19/10/2013, duy^t In ngdy 25/11/2014)
