BAI BAD KHOA HOC
GIAI PHAP flIEU CHiNH M A T GAN BANG CHUfC NANG C0 CHO VAN DONG VIEN CAU LONG TRUNG TA M DAO TA O VAN DONG illEN TR00NG DAI HOC THE DUG THE THAO BAC NINH
Tdm tat:
Mat can bdng chirc nang ca la bieu d p va man tfnh. Vi v$y vi§c nghien cCpuci 1^ v6 cCmg can thiet nham muc dich thuc d{
nang cao thanh tich the, d^ phbng chan thj T O khoa: Mat can bang chOc nang k4 “Stabilizer”, xoa b6p h6i phyc...
_n_n Oinh Thj Mai Anh*
/^Nguyen Thuy Sinh**
ien b$nh ly cua nhieu chan thipcmg
|u chinh nhOng bieu hi^n bat lyi nay ih hoi phuc sau tap luy#n, gop phan
;ho VOV.
dieu chinh lye c a su y yeu b in g ^p
dAt v a n d e
Mat can bang chiic nang ca (MCB CNC) trong the thao, cu the trong mon can long la qua trinh thich nghi can thiet, giup bp may van dong cua W)V thich nghi voi lupng van dong (LVD) chuyen mon khong doi xiing cudng do cao. Tuy vay, cac ca va nhom ca dudi anh huang ISu dai cua LVD khong doi xOng luon nam 6 t r ^ g thai cang thang qua muc, din den gia tang cac sai lech ve chiic nang, la nguyen nhan lam phat trien qua trinh thoai hoa, giam dan tmh mo ca va kha nang chiic nang cua chung (Shoyleva D., 1986). Trong thai gian boat dong cuong do cao ciia VDV, bidn d6 boat dong a cac khop dat cue dai la do su cang gian qua mtic cua cac mo, thudng din den cac vi chin thuong kh6ng chi cr ca ma con a bp may gan khop day chang. Doi voi the thao t h ^ tich cao, d l dat dupe su thich nghi cao nhat trong dieu kien boat dpng cang thing cue dai ca ve the chit lln tinh thin thi viec danh gia va dieu chinh trang tiiai nay can phai dupe tien h ^ nhu la mot trong nhung npi dung quan trong trong dinh huang dao tao VDV (TremytK.D., 1994).
Ket qua danh gia thuc t r ^ g MCB CNC a VDV cau 16ng Trung tarn dao tao VDV Truong Dai hpc TDTT Bac Ninh cho thSy, MCB CNC x u lt hien a phan tren co thI, phin duai bieu hien mat can doi rat it. Cac ca ben thuari thuong xuyen bi co nit ngay ca khi a trang thai feih, luc
""ca va truangTuc "ca giua ben thuan va khong"^
thuan cung co he so mat c ^ doi cao. Chinh sp MCB CNC nay lam bien doi cau true xuong cot song, la nguyen nhan gia tang sai lech tu th§ va cong veo cot s6ng a VDV clu 16ng, tu do VDV thuemg xuySn xuat hipn cam giac dau dan a vung vai, ngiic va that lung sau tSp luyen va thi diu cuong dp cao. Chinh vi vay, viec lua chpn va ung dung cac giai phap dieu chinh nhung bilu hien b it Ipi nay trong qua trinh huan luyen ciia VDV cau long la v6 ciing can thiet, nham muc dich thiic day nhanh qua trinh hoi phuc sau tap luyra, gop phan nang cao thanh tich the thao, de phong chan thuong va bfnh cho VDV.
PHl/dNG PHAP NGHIEN ClJU
Trong qua trinh nghien cuu chiing toi da su dung cac phuemg phap nghien cihi sau: Phuemg phap phan tich va tong hpp tai lipu, phong van tpa d ^ , kiem tra y hpc, quan sat su p h ^ , thuc nghiem su pham va toan hpc diong ke. Trong phuemg phap Idem tra y hpc de tai sii d\mg cAc phuang phap do la: Cac test kilm tra kha nang CO duoi ca trong yen tmh, phuang phap nhan trie, quan sat dang lung, danh gia luc nhdm ca bing ap ke “Stabilizer”, thilt bi danh g il truang lire ca, thiet bi phan tich thanh phan ca the, phong vin cam giac chu quan ciia VDV sau tap luyen.
*TS, Tn/crng Oai hpc T D T T B ac Ninh
" T h S , Tru-ang Dpi hpc T D T T B ac Ninh
358
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S O L U T IO N S T O C O R R E C T B O D Y F U N C T IO N I M B A L A N C E F O R B A D M IN T O N P L A Y E R S AT A T H L E T E T R A IN IN G C E N T E R A T B A C N IN H S P O R T S U N IV E R S IT Y Sum m ary; The body function imbalance is the signs of pathology and pre-existing pathology of various acute and chronic injuries. Therefore, the study on finding solutions to correct the bad signs is quite necessary to enhance the recovery after training in order to improve achievement and prevent from injuries and d iseases for athletes.
Keyw ords: body function imbalance, muscles-stretching exercises, adjusted weakened muscle force by manometer "Stabilizer”, recovery m assage.
K^T QUA NGHIEN CIJ^U VA BAN LUAN Nghien cmi dirge tien hanh tren 15 VD V cau long (11 nam, 4 nu) lira tuoi tCr 13 - 17, c6 thSm niSn t|p luy$n 4 - 7 nam va dSu la nhung VDV luon dat dugc nhung thanh tich cao trong cac gidi tre toan quoc, tham gia dii dau trung binh 4 - 6 l§n/l nam. KSt qua cu the nhu sau:
1. Ccr so* kh oa h p c x a y du>ng giai phap dieu chinh M C B C N C c h o V D V cau lon g
Can evt vao co so ly l u ^ vd thuc tien trong vi8c di6u chinh MCB CNC cho VDV cau long nhu: D^c dilm trang thai chiic nang bg may thin kinh co, ly lu |n va phuong phap huan luySn ciu 16ng, thuc trang ling dvmg cac phuong tien h6i phuc sau tap luyen va thi dau, de tai da d§ ra 4 giai phap diiu chinh MCB CNC cho VDV cau long do la: Tich cue iing dvmg cac bai tap du6i co sau tap luyen; Tich cue ling dung bai tap di6u chinh lire nhom co suy yeu (ben khdng thuan); brng dimg xoa bop giam cang co, thiic diy h6i phuc sau tap luyen; Tang cuong huin luyen phat triln toan dien co the.
dI dam bao tinh khach quan cua cac giai phap, d6 tai da tien hanh phong van chuyen gia, huan luyen vien, giao vien, nhung ngucri giau kinh nghiem nghien ciiu trong ITnh viic huan luy?n thI thao va y sinh hoc TDTT, ket qua phong van cho thay ca 4 giai phap de tai de xuat deu nh$n dugc y kien tan dong o miic rat cm thiet cao, tu 80% tro len. Nhu vay co the ket ludn, cac giai phap diSu chinh MCB CNC cho VDV cau long bude dau da co dii co so de ling dyng thvrc tien.
- Giai phap J: Tich cue ung dung cac bai tap dudi cff sau tap luy$n.
Tii kSt qua danh gia thirc trMg MCB CNC d
VDV C4u long cho thdy, cac co tham gia thvrc hien lugng vdn ddng dac thu trong mon cau long do la CO tarn ddu canh tay, co lung rgng, co den ta, co ngge to, nhdm co dai vai lu6n nam d trang thai CO nit vdi he s6 mSt can doi (MCD) cao giua tay thuSn va tay khdng thu|in. Vi vSy ling dvmg cac bai tap dudi co nham muc dich keo gian cac co co nit, phge hoi chiic nang co, g ito tTMg thai cang thing qua miic sau tap luy^n (Ivanhitrev G.A., 2003). Cac bm tap dugc tien hM i d ph4n k it thiic buoi tap, dau tien duoi ede co ben thuan sau dd din ben khdng thuM va chi dinh ling dimg hang ngay trong sudt cac chu ky huan luyen.
- Giai phdp 2: Tich eye ihtg dijing bai tap diiu chinh luc nhom cat suy yku (ben khong thuan).
Qua nghien ciiu tai lieu tham khao cho thay, ngudn goc phat sinh chiing mat can bang chiic nang co khdng chi phu thude vao lugng van dgng khdng ddi xiing len niia phai va trai cua
CO thI, ma con phu thude vao su mat edn ddi gian ban cdu nao (BepHmxeHH H.A., 2001;
BexrepeB B.M., 1928; v.v...). Vi v^y cac bai tap dilu chinh mdt can bang Ivrc co dugc thuc hien hang each ling dung phan hdi sinh hoc, tang anh hudng Idn he thdn kinh trung uong, giiip dat dugc hieu qua cao hon vdi chi phi nang lugng thdp hon. dI dilu chinh mdt edn bdng lire co chiing tdi ling dung phuong phap cang co ffnh cho cac CO ben khdng thuan bdng each sir dvmg dp k l “Stabilizer”. Ap k l “Stabilizer” la edng cix thdng tin phan hoi sinh hgc, cho phep ddnh gid va dilu chinh lugng v m ddng dinh tnrdc trong thdi gian thuc. Theo chi ddn cua ede nha phdt triln thilt bi dua ra thi dp k l dugc thirc hien
BAIB&OKHOAHOC
khong phai cho mot ca ma cho mot nhom ca.
Don vi luc ap suat duoc tmh bang mmHg.
Titk6t qua nghien cmi chi so luc nhom co bang ap k l “Stabilizer” cho thay s\r khac bi?t ro ret giiia luc co ben thu^n va khong thuan. Mat can doi nhom co phan tren cao hon phan duoi o ca nam va nu. H? so MCD cao hon ca d nhom
CO ng^rc va nhom co lung giua, vi nh6m co nay 1 ^ nhifm vy on dmh cot song va luon thuc hien luQng vfba dQDg Idn hon ca, chhng tham gia thijc hien phan Idn cac dong tac d^c tiiu trong mon cau 16ng. Chinh sir phdt triln b it hgip ly cua nhom CO nay lam xuat hi?n cac chiing dau lung, dau vai, gia tang sai lech tu the va cong veo c6t song, lau dai 1 ^ giam sut thanh tich the thao va tham chi phai ngung tap luyen vTnh vien. VI vay tich cue ling dimg cac bm tap cang co finh voi ap k i “Stabilizer” cho nhom co ngirc va co limg bSn khong thuan nhim myc dich tang cuong l\rc nhom CO bSn suy yeu, tu do giam nhtmg dnh hudng khong doi xung bSt Igi len cpt s6ng, Cac bai t§p nay ciing duoc thyc hien o cu6i m6i bu6i tap va ap dyng khi luong van dong khong d6i xiing tang cao d cac chu ky huan luyfn ciia VDV ciu long.
- Giaiphdp 3; ifn g difitg xoa bop giam cang cff^ thuc day hoi phjfc sau tap luyfn.
Thong qua phdng van true tiep VDV ciu long chiing toi thay ring sau cac t r ^ dau cang thing va luy$n tSp vdi cudng do cao VDV thudng xuat hien c ^ giac dau don, bieu hien hon ca la dau vung vai, ngyc ben thuyn va vung that lung bSn khong thuSn (cac co 6n dinh thit lung) d ca nam va nu. Dieu nay chiing to sir co nit cua cac co va nhom co ben thuan lam gia tang cam giac dau don cho VDV sau tap luyen va thi dau cudng do cao. Vi vay tiin hanh xoa bop sau t§p luyen va thi d iu la diiu rit cin thiit nham g i ^ cang thang tSm ly, giam sir c ^ g co, loai tru cam giac dau don, tang cudng tuan hoan, hd hap, trao doi chit, tao dieu kien hoi phyc toi uu tryng thai chiic nang co th i VDV sau van ddng (Biriukov A.A., 2008). Tiiy timg tnrdng hop cy the ma tiin hanh cac budi xoa bdp toM thSn (35 - 40 phiit) hoac eye bd (20 phiit), daiih nhieu thdi gian xoa bdp cac co va ^ o m "
CO tham gia thyc h i|n lugng v^n dong d9t thii trong mdn cau Idng do la cac co tarn dau canh
tay, co denta, co ngyc to, co lyng rdng v i vung that lung.
- Gidiphdp 4: Tang cic&ng hudn luyen phdt trien todn di$n cff thi,
Dac dilm quan trong ciia edng vide huan luyen the thao cho thanh thidu nien la qua trinh huan luydn didn ra tren mot co the con dang tnrdng thanh va phat tridn. Chinh vi vay edng tac huan luy?n doi hoi ph^i nim vung dye didm Ilia tudi cung nhu ap dyng chiing phii hop vdi myc tieu va npi dung huin luyyn (Luu Quang Hidp, 2003). Doi vdi co the thanh thidu nidn, tap luyen ndng vgi, nit ngan giai doyn, su dyng cac bai tip chuyen mdn han hep cung c6 the gay ra nhung ^ hudng xiu nhu chiing MCB CNC d VDV cau Idng. Vi v iy nhtmg bai tap phat triin toan dign, vdi sd lugng van dgng tdi uu phai duoc uu tien sii dyng trong cac chuong trinh huan luyen the thao thanh thidu nidn.
2. To chQ>c ling dyng cac giai phap diiu chinh M C B CN C cho VDV Cau Idng trong qua trinh huan luyen.
Can cii vao kd hoach huin luyen nam 2015 ciia VDV ciu Idng Trung tam dao tao VDV Tnrdng Dai hoc TDTT Bac Ninh thi chu ky huin luyen nam ciia VDV cau Idng duoc chia ra thanh cac thdi ky huan luygn dd l^: Chuin bi 1, chuyen mdn 1, thi diu 1, chuyen mdn 2, thi diu 2 va qua do.
Do lich thi diu cua VDV cau Idng keo dii lien tuc tu thang 4 ddn niira d iu thang 12 va t ^ g binh moi VDV tham gia thi diu td 4-6 lan/nam, vi vay cac VDV tham gia vao chuong trinh thuc nghidm ciia chiing tdi nlm d thdi ky chuanbi 1 (tdthMg 1 -4/2015) thude giai doan huan luyen chuyen mdn hda. Trong thdi ky niiy VDV tdp chung vao huin luyen thd luc (40%) va ky thuat (45%) la chii ydu, do dd lugng vm dgng khdng ddi xihig tang cao chinh la nguy8n nhan 1 ^ gia tang mat can b&ig chiic nang co d VDV ciu Idng, vi vay chiing tdi tien hanh ling dyng cac giai phap dieu chinh m it can bing chiic nang co cho VDV ciu Idng nhim muc dich tang cudng chiic nang bd may diin kinh co, tang nhanh qua trinh hdi phuc, giiip VDV thich nghi nhanh vdl^^g^v$»ddng khdng ddi xiing tang cao, giam cam giac dau ddn sau typ Iuy$n, d i phdng chin thuong va cac benh nghe n ^ e p .
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Then ky chuSn bi 1 ciia VDV c4u long duoc chia ra thanh cac chu ky tuin, tir tuan 1 den tuin 17, trong do tir tuIn 11 den tuin 16 VDV tap chung v^o chuan bj thi dau va thi dau, vi vay a nhiing chu ky nay khong tien h ^ cac phuong phap diiu chinh mat can b ^ g chiic nang co. De tii tiin hanh thuc nghiem danh gia hi$u qua cac giai phdp di6u chinh MCB CNC tu tuan 1 din tuin 10, trong d6 cac bai t|ip duoi co va xoa b6p duqc chi dinh sii d\mg h ^ g ngay sau cic bu6i tap nhim hoi phyc t o ^ di$n trw g thai chuc nang co, giam co cung co, tang nhanh qud trinh h6i phiic sau tSp luyen cho VDV. Cac bai tap dugc tien hanh d p h ^ kit thuc budi t|p, diu tien thvc hien cho cac co cua ben th u ^ sau do din Idiong thuan. Con cac bai tdp diiu chinh luc nhom CO suy y8u (bdn khong th u ^ ) bing ap k i
“Stabilizer” dugc dp dung vao nhiing ngay co so lugng buoi tdp tang cao (3 bu6i/ngay) nhlm
iSTTAOrtHlIjilBUlYfflllim -StBACBIETfiOIS muc dich giam nhiing anh hudng b it Igi cua lugng van dong khong d ii xiing len co thi VDV
Ngoai ra con giai phap thii 4 la tang cuong huan luyen phat trien toan didn co thi dugc cac huan luyen vien dgi tuyen cau long Trung tam ddo tgo VDV Truong Dai hgc TDTT Bdc Ninh dua vao trong k i hoach huan luyen cho VDV.
Giai phap nay dugc huan luyen vidn va VDV tu dieu chinh va th\rc hifn trong qua trinh huan luyra.
3. Oanh gia higu qua u>ng d^ng cac giai phap dieu chinh M CB CNC cho VDV Cau Idng.
3.1. Ket qua ddnh gid khd nang co duoi cor trong yen Unh sau TN
Ket qua ddnh gid kha nang co du6i co trong yen tfnh cho ede co va nh6m co ph&i tren co the cua VDV cdu long sau thuc nghi|m dugc trinh bay 6 bang 1.
Bdng 1. Ket qua danh gia kha nang co duoi co* trong ySn tmh cho cac co> vd nhom ca phan tren c v the cua VDV Cau idng trudge vd sau TN (cm, n=15) Cac co> vd nhom co* Thudn
(M±o) Khdng thu(tn (M±o)
MCD (%)
Tieu chuin
(cm) P
Nam (n=11)
Co tam dau canh tay trooc TN 5,97±2,1 2,06±1,3 65,49 0
£0,05 Co tam ddu ednh tay sau TN 2,15±1,6 1,24±0,4 42,33
Co lung rOng trude TN 11,18±3,5 0,32±0,2 97,14 Co lung r$ng sau TN 1,21±1,3 0,32±0,1 73,55 0 Co den ta trude TN 6,44±1,3 3,02±1,9 53,11
Co den ta sau TN 3,11±1,1 2,34±1,2 24,76 4
Co ngge to trude TN 7,11±2,1 0,75±0,4 89.45 Co ngge to sau TN 1,15±0,8 0,55±0,2 52,17 0 Co lung rpng vd denta trude TN 9,76+2.3 3,07±1,5 68.55 Co lung r$ng vd denta sau TN 2,23±0,8 1,58±0,6 29,15 0 Nh6m CO dal vai trude TN 23,78±2,2 3,08±1,9 87,05 Nhom CO dal vai sau TN 4,45±1,3 3,05±1,2 31,46 0
N u (n=4)
Co tam ddu canh tay trude TN 4,55±2,1 2,67±1,3 41,32 0
£0,05 C o tam ddu canh tay sau TN 2,01±0,8 1,56±0,5 22,39
Co lung r$ng trude TN 8,04±3,5 0,21±0,1 97,39 Co lung rgng sau TN 1,02+0,5 0,2±0,1 80.39 0
Co den ta trude TN 3,63+1,3 2,15±1,9 40.77
Co den ta sau TN 1,46+0,5 1,12±0,4 23,29 4
Co ngge to trude TN 3,09+2,1 0,56±0,4 81,87 C o nguc to sau TN 1,02±0,3 0,46±0,1 54,9 0 Co lung r$ng vd denta trude TN 5,75±2,3 2,81±1,5 51,13 C o lung rOng vd denta sau TN 2,01±0,4 1,78±0,3 11,44 0 Nhom CO dai vai trude TN 14,32±2,2 2,57±1,9 82,05 0 Nhom co dai vai sau TN 2,55±1,1 2,03±1,1 20,39
BAIBAOKHOAHOC
Tvt ket qua bang 1 cho thay: Sau TN h? s6 MCD ciia tit ca cac nhom ca nghien cihi deu giam xu6ng c6 y nghTa voi p<0,05. Sau TN su
CO nit ckcca ben thuan giam xuong c6 y nghia a ca nam va nu, cu the: 6 nam co nit ca lung rong giam xuong con 1,21 cm, gan bang voi chi s6 tieu chuin la “0”, a nu con 1,02 cm va a cac nhom ca khac cung nh$n dugc ket qua tuang tu nhu vay. Su co rut giam xuong d ^ g ke la dieu ki?n th u ^ Igi tang cuong siic ben ca, g i ^ nguy ca gia tang cac chan thuong va benh vung lung.
nhom ca dai vai, ca lung rpng va den ta cung cho thay sy: giim xuong dang k6 chi so co nit ca d ca nam va nu, dieu nay chung to hoat dong khap vai dugc t&ig len la do dan hoi ca tot hon, vi vay g i ^ nguy co chin thuong khop vai. Day deu la nhung ket qua rit tich cue ma de tm thu dugc sau thgc nghiem.
3.2. K it qua ddnh gid lyre nhom cor sau TN.
Ket qua danh gia luc nhom co b ^ g ap ke
“Stabilizer” cho VDV ciu long sau TN dugc trinh bay a b ^ g 2.
Ket qua danh gia kha nang co duoi ciia cac
Bdng 2. Ket qua danh gia lu>c nh6m co* bang ke “Stabilizer”
cho VDV Cau long tru'dc va sau TN (mmHg, n=:15)
Nam (n s ll) Ni>(n»4)
Nhom CO* T huin
(M±a)
Khdng thuyn (M±a)
MCD {%)
ThuSn (M±a)
Khdng thuyn (M±a)
MCD (%)
P
Nhom ca lung tr§n trade TN 111,81±10.1 97,58±8,9 12,73 102.74+8.4 93,38±8.5 9,12 Nhom ca lung tren sau TN 117,25±8.2 108,5±7,8 7,46 106,13±8,1 101,31±7,6 4,54 Nhom ca lung giaa trade TN 140.69±11,1 120,56±11,3 14,31 127,13+12,5 112,05±13,7 11,54
<0,05 Nhom ca lang gida sau TN 142,52±9,5 133,56±9.2 6,27 132.11±10,1 127,33±10,5 3,62 Nhdm ca ngge trade TN 101,06±7,5 89,69±6,9 11,25 100.63±9,8 84,25+5,1 16,28 Nhom ca ngge sau TN 105.02±8,1 97,56+7,3 7.1 104,75±6,7 93,64±6,2 10,6
Ket qua bang 2 cho thay: He so MCD chi so luc cac nhom ca sau TN d ca nam va nu deu giam xuong co y nghTa vdi p<0,05, d ^ biet la nhom ca lung giua. Day la nhom ca chiu lugng van dong lech t ^ Idn hon ca trong qua trinh choi cau 16ng, chinh dieu nay 1 ^ gia tang sai lech tu the, chan thuong va cac b ^ vung that lung d VDV cau long. Qua b ^ g 2 cung cho thay, sau TN chi so luc nhom ca ben thuan va
khong thuan tuang doi bang nhau. Dieu nay chiing to sau khi ling dung bai tap cang ca &ih vdi ap ke “Stabilizer” cua chiing toi luc nhom ca ben KT tang len dang ke, tu do giam nhung anh hudng khong doi xung len cot sdng cho VDV.
3.3. KHqua danh gid tn a m g l^ cff sau TN.
Ket qua danh gia truang luc ca sau TN dugc trinh bay d bang 3.
Bang 3. Ket qua danh gia tru in g \is>c c a ciia VDV Cau Idng
Nhdm CO*
Nam (n=11) N d (ns4)
Thuan P (M±cr)
Khdng thufn (M±a)
M CD (%)
Thudn (M±o)
Khdng thuan (M±o)
M CD (%) Truang Igc ca tay trade TN 23,5±2,8 18,25±3,1 22,34 19,75±3,4 13,25±2,9 32.91
20,05 Truang Igc ca tay sau TN 24,2±1,4 21,7±2,1 10,33 21,02±1,5 16,56±2,1 21,22 Tu ket qua bang 3 cho thay: H f so MCD
truang luc ca giua ben thuan va khong thuan giam xuong c6 y nghia vdi p<0,05 d ca nam va nu. Dieu nay chiing to cac phuang phap dilu chinh mat c ^ bang chiic nang ca ma de tai ling dyng bude dau da mang lai hi?u qua tich cue
cho VDV cau long Trung tSm dao tao VDV Truong dai hoc TDTT BN.
3.4. K it qua quan sdt dang lung sau TN.
Ket qua quan sat dang lung sau thuc nghiem dugc trinh bay d bang 4
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IWtTHOHimliNliiy&llliTIHD -S t BAC BIET/2015
Bang 4. K it qua quan s it dang lu’ng cOa V BV C lu I5ng tripwc v i sau TN (n=15)
Sai l|ch tip th£ Cong v^o cot sdng
Lung u&n Lung gu Lu n g phang “C thufin “C ” ngh[ch “S ” thu(in “S ” nghjeh P
Trirdc TN 0 3 8 1 4 1 0
£0,05
11 (73,33®4) 6(4C % )
Sau TN
° I
2I___
5___
1 1 3 1 1 17 (46,67%) 5 (33,33%)
TiJt ket qua bdng 4 cho thay: Sau TN c6 su cai thi?n dang kk v6 clu true gili phau cot s6ng cua VDV cau long, cu the tmoc TN ty 1$ sai lech
t i r t h l chilm 73,33%, sau TN con 46,67%; cong v?o CQt s6ng tnxcrc TN la 40%, sau TN la 33,33%. Dieu nay cfaiing to su giam co nit ciia c k ca va nh6m ca ph4n tren co thi cua VDV clu long lam biSn d6i tich cue cau tnic xuong c§t s6ng, tu do giam t^ If sai l|ch tu IhS v l cong
Bang 5. Ket qua chi so thanh phan chi trdn cua VDV Cau long tru>6c va sau TN (n=15) veo cot song cho VDV. Day cung chinh la ly do vi sao sau TN VDV cau long it xult hien cam giac dau a vung vai va that lung hon so voi trade TN.
3.5. Ket qua chi so thanh ph&n chi tren sau thqec nghiem.
Ket qua chi so thanh phan chi tren sau thuc nghiem dugc trinh bay d bang 5.
Gidi tinh
Khdi lu gn g mo* (kg) Khdi lu gn g c o (kg) Thu|in P
(M±a)
Khong thu|in (M±o)
MCO (%)
Thu$n (M±o)
Khdng thuan
(M±o) MCD
Nam trade TN 0,55±0,1 0,59+0,2 6.77 3,35+1,2 3,27±1,1 2,39
>0,05 Nam sau TN 0,54±0,2 0,57±0,1 5,26 3,36±1,1 3,27±1,2 2,67 Nd trade TN 0.64±0,2 0,69±0,3 7,25 2,59+1,1 2,51±1,3 3.09 Nd sau TN 0,65±0,3 0,69±0,2 5,78 2,61±1,2 2,53±1,1 3,07
Tit bang 5 cho thay: Sau TN bien doi chi s6 tnic mo, tu do khong lam bien doi dinh hinh van Khoi lugng mo, Khdi lugng co ciia chi tren dong ciia VDV.
khong dang ke va su khac bi$t khdng c6 y nghia 3.6. K it qua chi so hinh thdi hgc chi tren vdi p>0,05 d ca 2 nam va nu. Day la k it qua t i t sau TN.
vi muc dich cua d l tai la ung dung cic phuong K it qua chi so hinh thai hoc chi tren sau TN phap dilu chinh sao cho Idiong lam thay d li cau dugc trinh b ly d bang 6.
Bang 6. K it qua chi s6 hinh thai hoc chi trSn cua VDVCau Idng
Cac chi s 6 hinh thii
Nam (n s ll) N u (ns4)
Thuln P (M±0)
Khdng thuan (M±a)
MCD (%)
Thu|in (m±o)
Khdng thu|n (m±o)
MCO (%) chu vi vong elnh tay trade TN 24,73±2,6 23,69±2.9 4,61 24,25±1,1 23.68±1,2 2,35
>0.05 thu vi vong eanh tay sau TN 24,74±2,5 23,71±2,9 4,16 24,26±1,4 23,71±1,3 2,27 Chu vi v6ng eang tay trade TN 24,56+2,5 23,15±3.1 5,74 23,11±1,0 21.95±1,4 5,02 Chu vi v6ng eang tay sau TN 24,58±2,7 23,16±2,9 5,78 23,13±1,2 21,95±1,3 5,1 bai tay trade TN 75,48±6,2 74,69±5,5 1,05 70.25±2,3 69,25±2,5 1,42 bli tay sau TN 75,48±6,1 74,68±5,4 1,06 70,26±2,1 69,25±2,4 1,44
Ket qua thu dugc d bang 6 cho thay: Bien doi chi so chu vi vdng chi tren va do d li tay cua VDV clu long sau TN d ca nam va nu c6 su biln doi khong dang ke va su khac bi$t khong CO ngbTa vdi p>0,05. Muc dich nghiSn ciiu ciia de tai la gly Inh hudng len trang thai chiic nang CO m l khong llm biln d li clu tnic ca, tu dd
khong llm thay doi djnh hinh van dgng ciia VDV, vi vly dly II ket qua tich ege m l de tii thu dugc sau TN.
3 .7. Ket qua phong van cam gidc chu quan cua VDV Cau long sau TN
Ket qui phong vin cam giac chii quan ciia VDV sau TN dugc trinh bly d bing 7.
BAIBAQ KHOAHOC
Bdng 7. Ket qud phdng van cSm gi^c chCi quan cua VDV Cau Idng
Cam giac chu quan Thudmg
xuyen Thinh thoang
Rat hilm
Khong bao gib* P
Oau vung c6 truac TN 0 2 4 9
Dau vCing co sau TN 0 1 2 12
Dau vung ngpc truPc TN Thudn 3 6 4 2
Khong thuan 0 3 7 5
Dau vung ngpesau TN Thu|ln 0 4 5 6
Khong thuan 0 1 6 8
Dau vung thit lung truac TN Thu|in 0 3 6 6
Khong thupn 4 7 2 2
Dau vCmg that lung sau TN Thu|n 0 2 5 8
Khdng thugn 2 4 3 6
Dau vCing vai truac TN Thugn 3 7 2 3
£0,05
Khdng thuan 0 2 2 11
Dau vCing vai sau TN Thu$n 1 4 3 7
Khdng thuan 0 1 2 12
Dau vung khuyu tay truPc TN Thu§n 0 3 4 8
Khong thuan 0 2 2 11
Dau vung khu^u tay sau TN Thu$n 0 3 3 9
Khong thuan 0 1 1 13
Dau vung co tay truPc TN Thu§n 0 2 3 10
Khong thuan 0 1 2 12
Dau vung co tay sau TN Thu$n 0 1 2 12
Khdng thuan 0 1 1 13
Qua bang 7 ta thay: Tnrac TN VDV thucmg xuat h i|n cam giac dau dan sau cac tran dau cang ttiang va luy$n tap vdi cuong dp cao, bilu hif n ban ca la dau vung vai, nguc ben thuan va vung tbit lung ben khong thuan. Nhung sau TN miic dp xuat hien gidc dau don a cac vung nay giam xuong c6 y nghia voi p<0,05 a ca nam va nu. Nhu vay, c6 the thiy rdng sau khi ling d\mg cac giai phap dieu chinh mat can bang chiic nang ca ciia chiing toi, trang thai chiic nang co cua VDV cdu long dupe tang len ro ret, giam mdt can bang co, tang cuong dan tmh mo ca, tu do giam nhung anh hudng tieu cue len cot song va cac khop chi tren.
KET LUAN
1. De tai lua chpn dupe 4 giai phap didu chinh mat can bing chiic nang ca cho VDV cdu long do la: Tich cue ling dung bai tap duSi ca sau tap luyen, tich cue ling diing bai tap diSu chinh lire nhom ca suy yeu b6n khong thuan, ling dpng xoa bop giam c ^ g ca thiic day hoi phuc sau tap luyen va tang cuong hudn luyen phdt tridn toan dien ca the.
2. Qua trinh thpc nghiem da chiing minh
dupe tac dung tich cue cua cac giai phap ma de tai lira chpn trong qua trinh huan luyen VDV Cau long, tii do tang cuong trw g thdi chiic nang bp may than kinh ca, tang nhanh qua trinh hoi phuc, d l phdng chan thuang va cac benh nghd nghiSp cho VDV.
tAilieuthamkhAo
1. Bemshteyn N.A. (2001), Tuyen tap ede cong trinh nghien cuu ve sink ca va dieu khien hoc, M.: SportAcademiPress, 295 tr.
2. Liru Quang Hiep, Pham Thi Uyen (2003), Sinh ly hoc the due th i thao, Nxb the dpc the thao, Ha Npi.
3. Stepanov V.S. (2000), "Can doi - mdt can d o i” cau true chuyen dgng, SPb.: GAFK im.
P.F. Lesgafta, 94 tr.
4. Trermyt K.D. (1994), Phep bien chung can doi va mat can doi trong hoc thuyet hudn luyen the thao ly luq.n va thiec hdnh TDTT, s6 8, trang 29-32.
5. Uyba V.V. (2Q\V),Kim chi nam Olympic ve y hQc the thao, M.: Praktika.
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