Exercise Science Vol.26, No.1, February 2017: 69-76 https://doi.org/10.15857/ksep.2017.26.1.69 ISSN(Print) 1226-1726 ISSN(Online) 2384-0544 ORIGINAL ARTICLE 키네시오테이핑처치가배구선수의점프수행력과혈중젖산에미치는영향 안병근, 이상현, 김수진, 박동호 인하대학교스포츠과학과 Effects of Kinesio Taping on Jumping Performance and Blood Lactate in Elite Male Volleyball Athletes Byeong-Keun An, Sang-Hyun Lee, Su-Jin Kim, Dong-Ho Park Department of Kinesiology, Inha University, Incheon, Korea PURPOSE: To evaluate the effects of kinesio taping on blood lactate and jumping performance after a fatigue protocol using the Wingate test in elite male volleyball athletes. METHODS: Eleven elite male volleyball athletes (21.64±1.5 years, 187.64±8.07 cm, 80.01±8.83 kg, 12.66±2.08% fat) participated in the study. Subjects were randomly assigned to either an experimental group (with kinesio tape; ) or a control group (without kinesio tape; ). Two conditions of with and without taping measures were performed by one week interval. All subjects performed 30-second countermovement jump (CMJ) test after a fatigue protocol using the Wingate test (30 seconds). Evaluations of blood lactate level occurred at six time-points: baseline; immediately after Wingate test; pre-and post-cmj; and 5-and 10-minute recovery. RESULTS: Two-way repeated measure ANOVA with Bonferroni correction as a post-hoc and a paired t-test were conducted to identify differences between the and the group. CMJ maximum height (p=.005), CMJ average height (p=.013), and CMJ total work (p=.014) significantly improved following application compared to non condition, but caused no significant effect on CMJ repetition number (p>.05). Within-group analyses revealed a significant effect of time on the blood lactate level after the Wingate test (p<.001), but no significant group (p=.57) or interaction (p=.78) effect. CLUSIONS: The application of significantly improved jumping performance after a fatigue protocol using the Wingate test even when CMJ repetition number remained about constant. Key words: Athletic performance, Kinesio taping, Countermovement jump, Lactate, Fatigue 서론 체력은스포츠현장에서경기력을결정짓는필수요소로, 대부분높은수준의체력이요구됨에따라훈련강도, 운동시간등을점증적으로증가시키면서운동부하에대한신체의적응을유도하는체력단련을필요로하며, 이러한과정에서과중부하에의한근육내피로가발 생한다 [1]. 피로란장기간의운동이나경기에의해하나의기관이나그기관일부의기능이감소되는것을의미하며 [2], 피로가지속될경우운동수행능력이저하될뿐만아니라근육통, 건염증등을초래할수있다 [3,4]. 근피로가발생하는원인은다양하며, 대사작용에의해에너지공급물질들이고갈되어피로가발생한다는고갈론 (exhaustion hypothe- Corresponding author: Dong-Ho Park Tel +82-32-860-8182 Fax +82-32-860-8188 E-mail dparkosu@inha.ac.kr * 이연구는 2016 년도인하대학교교내연구비로수행되었음. Keywords 운동수행력, 키네시오테이핑, 반복점프, 젖산, 피로 Received 5 Jan 2017 Revised 24 Jan 2017 Accepted 6 Feb 2017 This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Copyright 2017 Korean Society of Exercise Physiology 69
Vol.26, No.1, February 2017: 69-76 sis) 과젖산과같은부산물축적이근수축력을저하시켜피로를유발시킨다는축적론 (accumulation hypothesis) 이가장많이알려져있다 [5]. 축적론에따른대사적부산물인젖산 (lactate) 은혐기성해당과정의최종산물로써근피로를유발하는주요인자로알려져있으나, 최근젖산이에너지대사에관여한다는보고에따라젖산의기능에관한논란이계속되고있다 [6]. 하지만여전히근육내젖산농도는근피로와밀접한관련을갖는다고보고있으며, 이에따라각종운동이나스포츠현장에서선수들의유산소능력과무산소성대사능력평가, 근피로현상을설명하는중요지표로사용되고있다 [7,8]. 이에따라운동으로인하여생성되는젖산을빠르게제거하고, 에너지원의보충및항상성회복을위한다양한방법들이제시되고있다. 스포츠현장에서주로사용되는보조인자인테이핑 (taping) 은신체의근육과각관절부위에감거나붙여근육들의신전및수축을원활하게하고, 운동중발생할수있는근육과관절의부상등으로부터보호하기위한목적으로사용된다 [9]. 테이핑이운동수행력에영향을미친다는여러연구에따라테이핑은구조및기능적으로꾸준히진화하였으며, 이는근력, 지구력, 피로회복등의기능을향상시키는데목적이있다 [10]. 특히, 테이핑의종류가다양해짐에따라신체의근육과관절의가동범위를고려하지않은움직임만을제어하던비신축성테이프보다근육의신전과굴곡을고려하여신축성을지닌키네시오테이프를더많이사용하는추세다 [11]. 키네시오테이핑은약물처리가되어있지않은테이프로피부및근막사이공간을넓혀혈액과림프액의순환을촉진시켜주어상처난조직의치유속도를증가시켜줄뿐만아니라통증완화에도움을주는것으로보고된바있다 [12]. 이러한이유에서키네시오테이핑은운동상황에주로활용되며, 최근에는엘리트선수들의부상을미연에방지하고, 통증을완화시키기위한처치로사용되는추세다. 그중배구선수는다른운동에비해비교적좁은경기장에서순간적인움직임과반복되는높은수직점프, 아주짧은시간의기술전개가이루어지기때문에부상의위험이높은편이다. 또한, 경기당스파이크와블로킹등으로약 100회이상의점프가수행되고, 서브권과관계없이득점으로이어지는랠리방식으로경기수행간격이빠르기때문에경기력향상을위해서강한파워와스피드를필요로하는무산소성운동능력을증진시킬필요가있다 [13,14]. 한편, 수행력과관련하여키네시오테이핑의처치효과를증명하기위한선행연구결과에따르면, 연구에참여하는종목과체력수준과는무관하게각기다른결과들이도출되었다. 그예로, Oh [15] 의연구에서는키네시오테이핑을슬관절에처치하였을때피로억제를유도하여근력향상및젖산제거를통해경기력향상에도움을준다고보고하였고, Park [16] 은대학생을대상으로키네시오테이핑을하지근육에적용하였을때심폐기능과젖산농도에영향을주어운동후피로회복에도움을준다고보고하였다. 또한, 키네시오테이핑이근력에큰 영향을나타내지는못하였으나남녀축구선수모두에게키네시오테 이핑을적용하였을때피로회복이빠르게나타났다고보고하였다 [17]. 반면수영선수에게키네시오테이핑의적용은근력, 유연성에는큰영 향을미치는것으로나타났으나경기력과피로물질에는효과가크게 나타나지않았다 [18]. 이외에도, 키네시오테이핑이피로물질인혈중 암모니아, 젖산농도, LDH, CK 의빠른회복에긍정적인영향을주지 않는다고보고되었다 [19]. 이와같이키네시오테이핑의효과를검토한연구가꾸준히진행되 어왔으나, 키네시오테이핑이운동능력및피로회복에영향을미치는 지에대한연구결과의일관성이나타나고있지않으며, 아마도이러한 결과는이미훈련이잘된선수의경우체력수준이높아충분한피로 를유도하지못하여차이를비교하기어려웠거나종목의특성을고려 하지않은순간적인근기능만을관찰하는실험설계의한계때문일수 도있다. 따라서본연구의목적은배구선수를대상으로충분한피로를유도 한후키네시오테이핑의처치유 무에따른혈중젖산농도의차이와 반복적인점핑수행력에미치는효과를알아보고자한다. 이를통해, 키네시오테이핑이배구선수들의수행력향상에도움이되는보조수 단으로써의가치를검증하고자한다. 연구방법 1. 연구대상 본연구의대상은특별한질환과질병이없는 I 시에소재한배구경 력 5 년이상의대학교남자배구선수 11 명을대상으로하였으며, 실험 전피험자들에게위험요인들을인지시키고실험에대한목적과내용 들을충분히설명하여적극적으로참여에동의를구한후실험을실 시하였다. 본연구의피험자들의신체적특성은 Table 1 과같다. 2. 실험설계 본실험은 1 주일간격으로총 2 회이월효과 (carry over effect) 를방지 하기위하여무작위교차방법으로실시하였다. 우선모든피험자들을 Table 1. Subject s Characteristics Variables (N=11) Mean±SD Range Age (year) 21.64±1.50 19.00-23.00 Height (cm) 187.64±8.07 170.00-197.00 Weight (kg) 80.01±8.83 62.20-91.00 Muscle mass (kg) 40.00±3.95 32.10-45.20 Fat mass (kg) 10.27±2.46 6.10-12.90 BMI (kg/m²) 22.48±1.26 20.90-24.70 Body fat (%) 12.66±2.08 8.50-15.30 Career (years) 9.36±2.20 5.00-12.00 70 Byeong-Keun An, et al. Kinesio Taping and Jumping Performance in Volleyball Athletes
https://doi.org/10.15857/ksep.2017.26.1.69 대상으로운동성피로를유발하기위하여윈게이트테스트 (Wingate test) 를 30초간실시하여대상자의최대운동상태 (all-out) 를유도한후, 키네시오테이핑처치유 무와관계없이모두 30초간 countermovement jump (CMJ) 테스트를실시하였다. 혈중젖산농도분석을위해손가락끝모세혈관에서총 6회혈액을수집하였다 ( 안정시, Wingate test 직후, CMJ 전, CMJ 후, 회복기 5분, 회복기 10분 ) (Fig. 1). 3. 측정방법 1) 사전검사기본적으로대상자들의현재신체조성을측정하기위해전기저항을이용한체성분분석기 (InBody, InBody620, Korea) 를이용하였으며, 가벼운옷차림으로체성분기기에올라서팔을겨드랑이에붙지않게벌리고편안하게정면을응시한자세로체중, 근육량, 체지방량, fat% 등을측정하였다. Resting Wingate test (30 sec) Warming up (5 min) Taping or non-taping (5 min) CMJ test (30 sec) Recovery (5 min) Recovery (10 min) 2) 키네시오테이핑적용법본실험에사용된테이프는폭 5.0 cm의키네시오테이프 (NITTO DENKO, KINESIOLIGY TAPE, Japan) 이었다. 근육을최대한신전된자세를만든뒤키네시오테이프를늘리지않고그대로붙이며키네시 Capillary blood sampling 오테이프는근육의기시부 (origin) 와정지부 (insertion) 에형태에따라 Fig. 1. Experimental design. I 자형과 Y 자형테이프로적용하였다. 적용부위는 Fig. 2 에서처럼대퇴 A B C D E Fig. 2. The application positions of Kinesio tape. (A) rectus femoris muslce, (B) vastus medialis, (C) vastus lateralis, (D) hamstring, and (E) gastrocnemius. Fig. 3. Countermovement jump (CMJ) test. The jump height was measured using a stationary camera. Marker was placed on the tiptoe to collect the jump height. 안병근외 키네시오테이핑과배구선수의점프수행력 71
Vol.26, No.1, February 2017: 69-76 직근 (Rectus femoris), 내측광근 (Vaustus medialis), 외측광근 (Vaustus 집하여자동젖산분석기 (YSI1500-L, USA) 를사용하여분석하였다. lateralis), 슬괵근 (Hamstring), 비복근 (Gastrocnemius) 총 5 부위이었다. 4. 자료처리방법 3) 윈게이트테스트피험자체중의 0.075 kp/kg 부하의마찰저항을이용하며, 측정실시전안장을피험자신장에맞게조절하고피험자가앉은자세에서발뒤꿈치로페달을밟았을때 6시방향으로슬관절의잠김 (locking) 이없이완전히신전될수있도록고정시켰다. 5분간약 50-60 rpm의낮은또는보통강도에서의준비운동을실시하고 1분간휴식을취한후시작신호와함께 30초간최대한빠르게테스트를실시하여피험자의최대운동상태를유도하였다. 이테스트를통해최대파워, 평균파워, 피로지수, 총일량등을산출하였다 [20,21]. 본연구의자료처리는 SPSS 18.0 (SPSS Inc., Chicago, IL, USA) 통계프로그램을이용하였다. 첫째, 피험자의나이, 신체조성및선수경력변인에대한평균 (mean) 과표준편차 (standard deviation, SD) 를산출하였다. 둘째, 키네시오테이핑 (taping) 그룹과비테이핑 (control, ) 그룹간의안정시, 윈게이트직후, CMJ 전, CMJ 후, 회복 5분과 10분의혈중젖산농도변화를분석하기위하여 two-way (2 6) repeated-measures ANOVA를실시하였고, 사후검사로 Bonferroni correction을사용하였다. 셋째처치별 ( 테이핑처치유 무 ) 윈게이트관찰변인및 CMJ 관련관찰변인들을종속 t-test 를이용하여차이를검정하였다. 본연구 의모든통계적유의수준 (α) 은.05 로설정하였다. 4) Countermovement jump 테이핑그룹과비테이핑그룹간의반복점프능력을확인하기위해 countermovement jump (CMJ) 를실시하고, 이때비디오촬영을통해분석하였다. CMJ의측정을위하여, 피험자는어깨넓이로발을벌리고허벅지를지면과평행하도록한다. 이때손을허리에유지시키며수직으로최대한높이점프를실시한후다시처음자세로돌아오는것으로, 이를 30초간반복하였다. CMJ 측정항목은반복횟수, 평균높이, 최대높이, 총일량으로측정시 5 cm 격자판을벽에붙이고, 고정식카메라로촬영하였다. 측정이완료된후카메라슬로우모션기능을이용하여측정시영상을분석하였고, 최고높이는두발중최저높이에있는발의끝을기준으로하였다 (Fig. 3). 총일량을산출하기위한공식은다음과같다. 총일량 (J) = 체중 (kg) 횟수별최고높이 (m) 의합 연구결과 본연구는대학교배구선수들을대상으로무산소성운동 ( 윈게이트 ) 을실시하여동일한피로축적을유도한뒤키네시오테이핑처치유 무와관계없이 CMJ를실시한후, 혈중젖산농도 ( 안정시, 윈게이트직후, CMJ 전, CMJ 후, 회복 5분과 10분 ) 를측정하여비교, 분석하였다. 이를통해키네시오테이핑이점핑수행력과피로물질에어떠한영향을미치는지를검토함으로써, 키네시오테이핑이경기력향상과피로회복을위한보조수단으로써의가치를검증하였다. 본연구에서는테이핑과비테이핑처치간의젖산축적유도를위한윈게이트를실시함으로써다음과같은결과를얻었다 (Table 2). 일주일간격으로실시한무작위 ( 테이핑처치유무 ) 윈게이트테스트 결과에서평균파워, 최대파워, 피로지수및총일량모두유의한차이 5) 혈중젖산농도 혈중젖산농도를측정하기위하여총 6 회 ( 안정시, 윈게이트직후, 를나타내지않았다. 이는테이핑처치유무와관련없이두집단모두 유사한피로가유발되었음을의미한다. CMJ 전, CMJ 후, 회복 5 분과 10 분 ) 손가락끝모세혈관에서혈액을수 Table 2. The results of Wingate test without Kinesio taping in both groups (paired t-test) Variables Group Mean ± SD t p Table 3. Comparison of countermovement jump variables between groups (paired t-test) Variables Group Mean ± SD t p Mean power (watt/kg) 657.0 ± 78.7 653.7 ± 84.8.506.623 Repetition number of Jump 27.1 ± 1.9 27.4 ± 2.9.253.806 Peak power (watt/kg) 821.5 ± 106.3 844.0 ± 118.0-1.983.075 Peak height (cm) 31.6 ± 6.6 34.7 ± 4.5 3.604.005** Fatigue index (watt/kg) 34.8 ± 7.8 39.6 ± 11.4-2.017.071 Mean height (cm) 23.3 ± 6.6 25.8 ± 5.3 3.031.013* Total work (watt/kg) 1,218.4 ± 261.3 1,197.6 ± 265.9.954.363 Total work (Joule) 502.6 ± 156.6 566.9 ± 150.0-2.953.014* No significant difference between groups., Non-taping group;, kinesio taping group., Non-taping;, kinesio taping group. *p<.05; **p<.01 72 Byeong-Keun An, et al. Kinesio Taping and Jumping Performance in Volleyball Athletes
https://doi.org/10.15857/ksep.2017.26.1.69 Jumping height (cm) 40 30 20 10 0 1 2 3 4 5 6 7 8 9 101112131415161718192021222324252627282930 Jumping repetition number (30 sec) Fig. 4. Comparison of countermovement jump repetition number between groups (with or without application)., non-kinesio taping;, with kinesio tapeing; CMJ, countermovement jump. CMJ maximum height (p=.005), CMJ average height (p=.013), and CMJ total work (p=.014) significantly improved following application compared to non condition, but caused no significant effect on CMJ repetition number (p>.05). Lactate concentration (mmol/l) 8 6 4 2 0 Resting IAW Pre-CMJ Post-CMJ Rec-5 min Rec-10 min Over time Fig. 5. Comparison of lactate concentration over time points in groups., Non-taping;, kinesio taping treatment; IAW, immediately after Wingate test; CMJ, countermovement jump; Rec, recovery. ANOVA: G, group effect; T, time effect; G T, interaction Group and Time. Within-group analyses revealed a significant effect of time (six time-point) on the blood lactate level after the Wingate test (p<.001), but no significant group ( vs., p=.57) or interaction (G T, p=.78) effect. 1) 반복점프능력테이핑그룹과비테이핑그룹간의반복점프능력을확인하기위해 CMJ를실시하고, 이때촬영한비디오자료를이용하여분석하였다 (Table 3). 테이핑그룹과비테이핑그룹간의점프반복횟수에서는유의한차이가나타나지않았으나비테이핑그룹과비교하였을때, 테이핑그룹에서각각점핑최고높이및평균높이, 종일량에서는유의한차이를보였으며 (p =.005, p =.013, p =.014), 테이핑을처치하였을때반복점프능력이개선되는것으로나타났다 (Fig. 4). 2) 혈중젖산농도본연구에서는테이핑그룹과비테이핑그룹의운동전안정시, 윈게이트직후, CMJ 전, CMJ 후, 회복기 5분과 10분총 6회채혈하여혈중젖산농도를분석하였다. Fig. 5는테이핑그룹과비테이핑그룹의집단간시기에대한분석결과로, 집단, 집단 시기상호작용에서는유의한차이가없었으나, 시기에서는유의한차이가나타났다 (p =.000). 논의 본연구는 5년이상의경력을지닌대학교배구선수 11명을대상으로 30초간윈게이트테스트를실시하여동일한 all-out의피로축적을유도한뒤키네시오테이핑처치유 무에따른 CMJ, 혈중젖산농도 ( 안정시, 윈게이트후 CMJ 전, CMJ 후, 회복 5분, 10분 ) 를분석하였다. 이를통해키네시오테이핑이점프수행력과피로에미치는영향을살펴보고자하였다. 1. 키네시오테이핑이점핑수행력에미치는효과본연구결과에따르면, 테이핑그룹과비테이핑그룹간의점프반복횟수에서는유의한차이를나타내지않았으나, 비테이핑그룹에비해점프최고높이 (p <.01), 평균높이 (p <.05), 총일량 (p <.05) 이테이핑그룹에서유의하게높았다. Lee [22] 는키네시오테이핑적용여부에따른플라이오메트릭서전트점프를 30초동안실시하였을때반복횟수와심박수의유의한차이가나타나지않았다고보고하였으며, 이는그룹간점프반복횟수에서유의한차이가없다는본연구결과와같다. 반면, 본연구에서는키네시오테이핑처치그룹의점프최고높이, 평균높이및종일량이비테이핑그룹보다유의하게높게나타나는것을확인하였다. 이는건강한성인을대상으로키네시오테이핑을처치하였을때수직점프반발력이증가하였다는연구결과 [23] 와남녀대학선수들을대상으로키네시오테이핑처치시점핑과스프린트수행력을개선시켰다는연구결과 [24] 와유사하다. 또한, 고등학교축구선수 30명을대상으로키네시오테이핑전등속성근력과기술수행평가를실시하여변화를분석하였을때, 등속성근력에서테이핑후최대근력과총일량, 평균파워, 킥능력, 드리블능력이향상된다는연구결과와발목이기능적으로불안정성을가진남자배구선수들을대상으로 CMJ와 vertical jump 테스트를통해발목굴곡지상반력에키네시오테이핑적용이유익한효과가있다는보고와도유사한것이었다 [25]. 이는테이핑이일차적으로관절을고정시키는데도움을주고, 이차적으로관절주변의협동근과길항근의균형을잡아주는역할을함으로써수행력이향상될수있을것으로사료된다. 또한, 테이핑이고유수용성감각피드백기전을향상시킴으로써역동적인근육의동원시간을단축시키고, 자세의안정성을도모함으로써근기능을향상시킬수있을것으로보인다 [26]. 안병근외 키네시오테이핑과배구선수의점프수행력 73
Vol.26, No.1, February 2017: 69-76 하지만이와상반되는결과로, 엘리트축구선수에게하프스쿼트, CMJ, 10 m 스프린트테스트를통해키네시오테이핑이내측광근과외측광근의 TMG (tensiomyographic) 로전기자극을주어근육수축반응을비교하였을때, 근육의성능및수축특성에긍정적인효과가나타나지않았다 [27]. 또한, 럭비선수들을대상으로한연구에서족관절에테이핑을부착하였을때, 테이핑이부상에대한심리적상기자로작용하여럭비선수들의의식적하지부하행동을정제시키고, 관절의가동력, 근력등의운동수행력에부정적인영향을미쳤음을보고하였다 [28]. 이렇듯여러선행연구결과가상이한것은종목의특성, 테이핑의종류 ( 탄성 vs. 비탄성 ), 실험설계에서의운동처치또는측정방법그리고테이핑이어떠한목적으로사용되느냐에따라결과가다를수있을것으로판단된다. 예를들어, De Hoyo et al. [27] 의경우, 축구선수를대상으로전기자극에대한근육의수축반응을토대로효과를검증하였고, Hume & Gerrard [28] 의경우는럭비선수를대상으로족관절부상방지를목적으로사용되어오히려관절의가동력과근력등이감소되는결과를초래하였다. 또한본연구에서는기존연구와는달리실제시합에서발생될수있는피로를유발시키고자배구선수를대상으로윈게이트를실시한후테이핑을처치하였고, 그후에실시되는 CMJ에미치는테이핑처치효과를검증하였다. 이러한실험설계의차이가기존의결과와는다른결과로기인되었을것으로판단된다. 하지만본연구의한계점으로 placebo 집단 ( 비탄력테이핑처치 ) 이처치되지않아이로인한위약효과를배제하기는어렵다. 따라서본연구결과를경기상황에서실제로적용하기위해서는위약집단을포함한테이핑처치와운동수행능력간의생리학적기전에관한연구및다양한종목과개인의특이성을고려한임상시험을추가로실시하여야할것이다. 2. 키네시오테이핑이혈중젖산에미치는효과본연구에서 30초간윈게이트테스트를실시하여동일한 all-out의피로축적을유도한뒤키네시오테이핑처치유 무에따른혈중젖산농도를측정한결과키네시오테이핑그룹과비테이핑그룹의집단간 (p =.573), 집단과시기간 (p =.782) 상호작용에서는유의한차이가나타나지않았으나시기에서는유의한차이가나타났다 (p =.000). 한편, 점프수행력과관련하여윈게이트처치로피로축적을유도한후테이핑그룹이비테이핑그룹에비해점프최고높이, 평균높이및종일량에서유의하게높았음에도불구하고모든시기에걸쳐 ( 안전시, 윈게이트처치후, CMJ 전, CMJ 후, 회복기 5분, 10분 ) 두그룹간젖산농도가유사하였다는매우흥미로운결과이다. 이는키네시오테이핑처치집단이운동중과회복기에서비테이핑그룹보다혈중젖산농도가낮게나타났다는연구결과 [29,30] 와는차 이가있으나키네시오테이핑적용유 무에따른근피로유발시테이핑그룹과비테이핑그룹간의젖산농도의유의한차이가없었다는 Lee [31] 와 Jeon [19] 의연구와는일치하는것이다. 이러한연구결과들의차이는피로축적유발방법및테이핑처치방법, 대상자의특성 ( 선수 vs. 일반인, 훈련정도, 성별등 ) 및샘플사이즈등이다르기때문일것으로사료된다한편, 일부연구 [11,32,33] 에서는키네시오테이핑이인간의근육과비슷한수축력을지니고있고, 부착시피부를들어올려주어피부와근육사이의공간을넓혀줌으로써혈액과림프액등의순환을촉진하는것으로제안하고있으나본연구의실험설계에서처럼짧은시간동안에그효과가나타날수있는지는분명하지않다. 그이유는본연구결과에서처럼키네시오테이핑처치후운동중및회복기의혈중젖산농도에서통계적으로유의한차이를보이지않았기때문이다. 다만, 반복점프수행시총일량이비테이핑그룹 (502.6J) 에비해테이핑그룹 (566.9J) 에서높았음에도불구하고혈중젖산농도는두집단간유사하게나타났다는점에서키네시오테이핑이젖산농도에어느정도영향을미칠수있다는가능성을완전히배제할수는없다. 따라서추후연구에서는통계적유의성에영향을미칠수있는샘플사이즈와피로유발후젖산이안정시수준으로회복하는회복기시간을연장하여확인하는작업이필요할것으로판단된다. 결론 본연구결과를종합해볼때, 키네시오테이핑처치는반복점프의최고높이, 평균높이및총일량을증가시킴으로써배구선수들의점프수행력을개선시키는것으로나타났다. 그러나운동중및회복기의혈중젖산농도에는통계적으로유의한차이가나타나지않아피로감소및회복과는거리가있는것으로판단된다. 다만, 반복점프수행시총일량이비테이핑그룹 (502.6J) 에비해테이핑그룹 (566.9J) 에서높았음에도불구하고혈중젖산농도는두집단간유사하였다는점에서키네시오테이핑이젖산농도에영향을미칠수있다는가능성을배제할수는없을것으로사료된다. 따라서추후연구에서는통계적유의성에영향을미칠수있는샘플사이즈와피로유발후젖산이안정시수준으로회복하는회복기시간을연장하여확인하는작업이필요할것으로판단된다. REFERENCES 1. Lee JG, Ko BG, Kim YS, Park DH, Chung DS, et al. Effects of shortterm and long-term s CGM-M treatment on elite athlete s central fatigue and metabolic factors. Korean Journal of Sport Science 2003; 74 Byeong-Keun An, et al. Kinesio Taping and Jumping Performance in Volleyball Athletes
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