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Park and Oh: Effects of Closed Chain Exercise on Activities of Shoulder Girdle Muscles in 60โ€™s

Abstract

Purpose:

The purpose of this study was to compare activities of shoulder girdle muscles according to types of closed chain exercise in the sixties.

Methods:

The subjects consisted of 15 persons in their sixties. Muscle activity of the pectoralis major, deltoid middle, deltoid posterior, upper trapezius, lower trapezius, and serratus anterior were measured using electromyography according to shape of the support base and angle of shoulder flexion. According to types of closed chain exercises, muscles activities were compared by paired t-test. Significance level to verify statistical significance was .05. SPSS win (ver. 22.0) program was used for statistical analysis.

Results:

Muscle activities of the pectoralis major, middle deltoid, trapezius lower, and serratus anterior showed significant difference according to types of closed chain exercise (p<0.05).

Conclusion:

According to types of closed chain exercises of the shoulder girdle, muscle activities of the pectoralis major, deltoid middle, posterior and lower trapezius showed change of muscle activities.

์„œ๋ก 

๊ด€์ ˆ์™€์ƒ์™„๊ด€์ ˆ(glenohumeral joint)์€ ๊ตฌ์ƒ๊ด€์ ˆ๋กœ์„œ ์ธ์ฒด์˜ ๋ชจ๋“  ๊ด€์ ˆ ์ค‘ ํ™œ๋™๋ฒ”์œ„๊ฐ€ ๊ฐ€์žฅ ํฌ๊ณ  ๋ณต์žกํ•œ ๋ถ€์œ„๋ผ๊ณ  ํ•˜์˜€๋‹ค.1 ๊ฒฌ๊ด€์ ˆ์˜ ์ •์ƒ์ ์ธ ๊ธฐ๋Šฅ๊ณผ ์•ˆ์ •์„ฑ์€ ์ผ์ƒ์ƒํ™œ์—์„œ ์ค‘์š”ํ•˜๋ฉฐ, ์ด๊ฒƒ์€ ๊ฒฌ๊ด€์ ˆ ๋ณตํ•ฉ์ฒด๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ์—ฌ๋Ÿฌ ๊ด€์ ˆ๋“ค์˜ ์ƒํ˜ธ์ž‘์šฉ๊ณผ ๊ท ํ˜•์— ์˜์กดํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.2,3 ๊ด€์ ˆ์™€์ƒ์™„๊ด€์ ˆ์€ ๊ฒฌ๊ด€์ ˆ ๋ณตํ•ฉ์ฒด์—์„œ ์ผ์–ด๋‚˜๋Š” ์šด๋™์˜ ์ค‘์‹ฌ์ด๋ฉฐ, ์–ด๊นจ์˜ ์ง€์ง€, ์•ˆ์ •์„ฑ์„ ์œ ์ง€ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ๋ผˆ๋‚˜ ์ธ๋Œ€๋ณด๋‹ค ๊ทผ์œก์— ์˜์กดํ•˜๊ณ  ์žˆ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.4
๊ฒฌ๊ด€์ ˆ ์›€์ง์ž„์˜ ์ค‘์‹ฌ์  ์—ญํ• ์„ ํ•˜๋Š” ๊ฒฌ๊ฐ‘๊ณจ์€ ๊ฒฌ๊ด€์ ˆ ๋ณตํ•ฉ์ฒด์™€ ๊ด€๋ จ๋œ ๊ทผ์œก์˜ ๊ธธ์ด-์žฅ๋ ฅ ๊ด€๊ณ„๋ฅผ ๊ฐ€์žฅ ํšจ๊ณผ์ ์ด๊ฒŒ ํ•˜๋ฉฐ,5 ๊ด€์ ˆ์™€์ƒ์™„๊ด€์ ˆ์„ ์•ˆ์ •ํ™” ์‹œํ‚ค๊ธฐ ์œ„ํ•ด ์ƒ์™„๊ณจ์˜ ์›€์ง์ž„๊ณผ ํ•จ๊ป˜ ํ˜‘๋ ฅํ•ด ์ž‘์šฉํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.6 ์Šน๋ชจ๊ทผ, ๊ฒฌ๊ฐ‘ํ•˜๊ทผ, ๋Šฅํ˜•๊ทผ, ์†Œ์›๊ทผ, ์ „๊ฑฐ๊ทผ ๋“ฑ์€ ๊ฒฌ๊ด€์ ˆ์„ ์œ„ํ•ด ์ผ์ •ํ•˜๋ฉด์„œ๋„ ํšจ์œจ์ ์ธ ๊ธธ์ด ์žฅ๋ ฅ ๊ด€๊ณ„๋ฅผ ์œ ์ง€์‹œ์ผœ์คŒ์œผ๋กœ์จ ๊ฒฌ๊ด€์ ˆ์˜ ์•ˆ์ •์„ฑ์— ๊ธฐ์—ฌํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.7
๊ฒฌ๊ด€์ ˆ์€ ์ธ๋Œ€์™€ ๊ทผ์œก์˜ ํž˜๋งŒ์œผ๋กœ ํŒ”์˜ ๋‹ค์–‘ํ•œ ์šด๋™๊ณผ ์ƒ์ง€์˜ ๋ฌด๊ฒŒ๋ฅผ ์ง€์ง€ํ•˜๊ณ  ํŒ” ์šด๋™์˜ ์กฐ์ ˆ๊ณผ ์•ˆ์ •์„ ์ œ๊ณตํ•˜์—ฌ ์†์˜ ๋งŽ์€ ๊ธฐ๋Šฅ์„ ์ˆ˜ํ–‰ํ•˜๊ฒŒ ํ•˜๋Š” ๊ด€์ ˆ์ด๋ฉฐ, ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„์˜ ๊ทผ์œก, ๊ฒฐํ•ฉ์กฐ์ง, ํ”ผ๋ถ€ ๋“ฑ์˜ ์šด๋™์„ฑ๊ณผ ์œ ์—ฐ์„ฑ๊ณผ ํ•จ๊ป˜ ๊ด€์ ˆ ๊ฐ€๋™์„ฑ์„ ์ •์ƒ์ ์œผ๋กœ ์œ ์ง€ํ•˜๋Š” ๊ฒƒ์ด ๋งค์šฐ ํ•„์š”ํ•˜๋‹ค๊ณ  ์‚ฌ๋ฃŒ๋œ๋‹ค.
๋…ธํ™”๋Š” ์ƒยทํ•˜์ง€์˜ ๊ทผ๋ ฅ ๊ฐ์†Œ์™€ ๊ด€๋ จ๋˜๋ฉฐ,8 ์ด๋Š” ๊ด€์ ˆ๊ฐ€๋™๋ฒ”์œ„์™€ ๊ทผ์œก์˜ ์œ ์—ฐ์„ฑ์ด ๋™์‹œ์— ๊ฐ์†Œํ•˜๊ฒŒ ๋œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.9,10 Barnes ๋“ฑ11์€ ์—ฐ๋ น์ด ์ฆ๊ฐ€ํ•จ์— ๋”ฐ๋ผ ๊ฒฌ๊ด€์ ˆ์˜ ๋‚ดํšŒ์ „์„ ์ œ์™ธํ•œ ์ „๋ฐฉ ๊ฑฐ์ƒ, ์‹ ์ „, ์™ธ์ „, 90๋„ ์™ธ์ „์—์„œ์˜ ๋‚ดํšŒ์ „, ์™ธํšŒ์ „๊ณผ ๋‚ด์ „์ƒํƒœ์—์„œ์˜ ์™ธํšŒ์ „์—์„œ ๊ฒฌ๊ด€์ ˆ์˜ ๊ฐ€๋™๋ฒ”์œ„๊ฐ€ ๊ฐ์†Œํ•จ์„ ๋ณด๊ณ ํ•˜์˜€๋‹ค. ์—ฐ๋ น์ด ์ฆ๊ฐ€ํ•จ์— ๋”ฐ๋ผ 65์„ธ ์ด์ƒ์˜ ๊ฑด๊ฐ•ํ•œ ๋…ธ์ธ์˜ 30% ์ •๋„๊ฐ€ ๊ฒฌ๊ด€์ ˆ์˜ ์žฅ์• ๋ฅผ ๊ฐ€์ง€๊ณ  ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ๋ณด๊ณ ํ•˜๊ณ  ์žˆ์œผ๋ฉฐ,12,13 60๋Œ€ ์ด์ƒ ์ธ๊ตฌ์—์„œ 60%๊นŒ์ง€ ๋‚˜ํƒ€๋‚œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.14
๋˜ํ•œ ๋…ธํ™”๋Š” ๊ด€์ ˆ์˜ ๊ฒฐํ•ฉ์กฐ์ง์ด ๋ผˆ์˜ ์„  ์šด๋™์ด๋‚˜ ํšŒ์ „์šด๋™์„ ๋ฐฉํ•ดํ•˜๋ฉฐ, ์ด๋Š” ๊ด€์ ˆ์˜ ๊ฐ€๋™๋ฒ”์œ„๋ฅผ ์ œํ•œํ•˜๊ธฐ๋„ ํ•˜๊ณ , ๊ทผ์œก์˜ ๋Šฅ๋™ ๊ทผ๋ ฅ๊ณผ ๊ด€์ ˆ์˜ ์•ˆ์ •์„ฑ์„ ์ œํ•œํ•˜๊ธฐ๋„ ํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.14
์ตœ๊ทผ ๋…ธ์ธ๋“ค์˜ ์ฒด๋ ฅ ์ฆ‰ ๊ทผ, ์‹ ๊ฒฝ, ์‹ ์ฒด ๊ตฌ์„ฑ ๋“ฑ์— ๊ด€ํ•œ ์—ฐ๊ตฌ๊ฐ€ ํ™œ๋ฐœํ•˜๊ฒŒ ์ด๋ฃจ์–ด์ง€๊ณ  ์žˆ์œผ๋‚˜ ์ƒ์ง€ ๋ณด๋‹ค๋Š” ํ•˜์ง€์— ๊ด€ํ•œ ์—ฐ๊ตฌ๋“ค์ด ๋งŽ์ด ์ด๋ฃจ์–ด์ ธ ์˜จ ๊ฒƒ์ด ์‚ฌ์‹ค์ด๋‹ค. ์ด๋Š” ํ•˜์ง€์˜ ๊ทผ๋ ฅ์ด๋‚˜ ๊ธฐ๋Šฅ์ด ๊ท ํ˜•๊ณผ ๋‚™์ƒ์— ๊นŠ์ด ๊ด€๋ จ์ด ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋˜๋‚˜, ์ƒ์ง€์˜ ๊ธฐ๋Šฅ ๋˜ํ•œ ๋งค์šฐ ์ค‘์š”ํ•˜๋‹ค. ์ƒ์ง€๋Š” ๋จธ๋ฆฌ๋ฅผ ๋น—๊ฑฐ๋‚˜ ์ง€ํผ๋ฅผ ์˜ฌ๋ฆฌ๋Š” ๊ฒƒ, ์˜ท์„ ๋จธ๋ฆฌ์œ„๋กœ ์ž…์„ ๋•Œ์™€ ๋“ฑ๋’ค๋กœ ์†์„ ๋ป—๋Š” ๋“ฑ์˜ ๊ธฐ๋Šฅ์  ๋™์ž‘์„ ์ˆ˜ํ–‰ํ•˜๋Š”๋ฐ ํ•„์š”ํ•˜๋ฉฐ, ๋…ธ์ธ๋“ค์˜ ์‚ถ์˜ ์งˆ์„ ํ‰๊ฐ€ํ•˜๋Š”๋ฐ ๋งค์šฐ ์ค‘์š”ํ•œ ์š”์†Œ๊ฐ€ ๋œ๋‹ค.15
๊ด€์ ˆ์˜ ์•ˆ์ •์„ฑ์„ ์ฆ์ง„์‹œํ‚ค๋Š” ์šด๋™์—๋Š” ์—ด๋ฆฐ ์‚ฌ์Šฌ์šด๋™๊ณผ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์ด ์žˆ๋Š”๋ฐ, ์—ด๋ฆฐ ์‚ฌ์Šฌ์šด๋™์€ ๊ด€์ ˆ๊ฐ€๋™๋ฒ”์œ„๊ฐ€ ์ œํ•œ๋œ ํ™˜์ž์˜ ๊ทผ๋ ฅ๊ฐ•ํ™”๋ฅผ ์œ„ํ•ด ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.16
๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์€ ์‚ฌ์ง€์˜ ์›์œ„๋ถ€๋Š” ๊ณ ์ •๋˜์–ด ์žˆ๋Š” ์ƒํƒœ์—์„œ ๊ทผ์œ„๋ถ€์™€ ์›์œ„๋ถ€์—์„œ ์ €ํ•ญ์„ ๋™์‹œ์— ์ ์šฉํ•  ๋•Œ ์ผ์–ด๋‚˜๋Š” ์šด๋™์œผ๋กœ,17 ๊ทผ๋ ฅ๊ฐ•ํ™”, ์ง€๊ตฌ๋ ฅ ์ฆ์ง„๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ๊ด€์ ˆ๋ฉด์˜ ๊ธฐ๊ณ„์ ์ธ ์••๋ฐ•์„ ํ†ตํ•ด ์—ฌ๋Ÿฌ ๊ทผ์œก์˜ ํ˜‘์‘์ˆ˜์ถ•์„ ์ผ์œผํ‚ค๋ฉฐ, ๊ด€์ ˆ ๋ถ€์œ„์˜ ๊ณ ์œ ์ˆ˜์šฉ์„ฑ ๊ฐ๊ฐ์„ ์ œ๊ณตํ•˜๋ฏ€๋กœ ๊ด€์ ˆ์˜ ๋™์  ์•ˆ์ •์„ฑ๊ณผ ์ž์„ธ์œ ์ง€๋ฅผ ์œ„ํ•ด ์šด๋™์น˜๋ฃŒ ํ”„๋กœ๊ทธ๋žจ์—์„œ ์ž์ฃผ ์ด์šฉํ•˜๊ณ  ์žˆ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.18,38
๊ฒฌ๊ฐ‘๊ณจ ์•ˆ์ •ํ™”๋ฅผ ์œ„ํ•œ ๋‹ซํžŒ ์‚ฌ์Šฌ ์šด๋™์—๋Š” ํ‘ธ์‰ฌ์—…(push up exercise), ํ‘ธ์‰ฌ์—… ํ”Œ๋Ÿฌ์Šค(push up plus exercise), ์›” ํ‘ธ์‰ฌ์—… ํ”Œ๋Ÿฌ์Šค(wall push up exercise), ๋“ฑ์ฒ™์„ฑ ๋ณผ ์šด๋™(isometric ball exercise) ๋“ฑ์ด ์žˆ์œผ๋ฉฐ,19-21 ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์ด ๋ถ€ํ•˜ ์—†๋Š” ์—ด๋ฆฐ ์‚ฌ์Šฌ์šด๋™๋ณด๋‹ค ํ†ต์ฆ์ด ์žˆ๊ฑฐ๋‚˜ ๋ถˆ์•ˆ์ •ํ•œ ๊ฒฌ๊ด€์ ˆ ์žฌํ™œํ”„๋กœ๊ทธ๋žจ์— ์ƒ์ฒด์—ญํ•™์ ์œผ๋กœ ์•ˆ์ „ํ•˜๊ณ  ๊ธฐ๋Šฅ์ ์ด๋ผ๊ณ  ํ•˜์˜€๋‹ค.22
Weon ๋“ฑ23์€ ์ „๋ฐฉ๋จธ๋ฆฌ์ž์„ธ๋ฅผ ์ค‘๋ฆฝ๋จธ๋ฆฌ์ž์„ธ์™€ ๋น„๊ตํ•˜์—ฌ ์•‰์€ ์ž์„ธ๋กœ ๋“ฑ์ฒ™์„ฑ ์ƒ์™„๊ตด๊ณก์„ ๊ฐ 30ยฐ, 60ยฐ, 90ยฐ, 120ยฐ์—์„œ ์‹ค์‹œํ•˜์˜€์„ ๋•Œ ์ „๊ฑฐ๊ทผ, ์Šน๋ชจ๊ทผ ์ƒ๋ถ€, ํ•˜๋ถ€ ์„ฌ์œ ์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ์—ฐ๊ตฌํ•˜์˜€๋‹ค. Hardwick ๋“ฑ24์€ ๋ฒฝ ์Šฌ๋ผ์ด๋“œ ์šด๋™(wall slide exercise)์„ ์‹ค์‹œํ•˜์˜€์„ ๋•Œ ๋ฒฝ์„ ๋งˆ์ฃผํ•˜๊ณ  ์„  ์ž์„ธ์—์„œ ๊ฒฌ๊ด€์ ˆ์˜ ๊ตด๊ณก 90ยฐ, 120ยฐ, 140ยฐ ๊ฐ๋„์—์„œ ์ „์™„์„ ๋ฒฝ์— ๋ถ™์ธ ์ƒํƒœ๋กœ ์Šฌ๋ผ์ด๋“œ ์šด๋™์„ ์‹ค์‹œํ•œ ํ›„ ์ „๊ฑฐ๊ทผ์˜ ํ™œ์„ฑ๋„๋ฅผ ๋‹ค๋ฅธ ์šด๋™๊ณผ ๋น„๊ตํ•˜์˜€๋‹ค.
๊ฒฌ๊ด€์ ˆ ์•ˆ์ •ํ™”๋ฅผ ์œ„ํ•œ ์—ด๋ฆฐ ์‚ฌ์Šฌ, ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™ ํ˜•ํƒœ์—์„œ์˜ ๊ทผํ™œ์„ฑ๋„ ๋น„๊ต, ์ƒ์™„ ๊ตด๊ณก ๊ฐ๋„์— ๋”ฐ๋ฅธ ๊ทผํ™œ์„ฑ๋„๋ฅผ ๋น„๊ตํ•œ ์—ฐ๊ตฌ๋Š” ์žˆ์—ˆ์œผ๋‚˜ ๋‹ซํžŒ ์‚ฌ์Šฌ ์šด๋™์—์„œ ์ง€์ง€๋ฉด์˜ ๋ณ€ํ™”์™€ ํ•จ๊ป˜ ์ƒ์™„ ๊ตด๊ณก ๊ฐ๋„์— ๋”ฐ๋ฅธ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„๊ทผ๋“ค์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ๋น„๊ตํ•˜๋Š” ์—ฐ๊ตฌ๊ฐ€ ์ฃผ๋กœ 20๋Œ€๋ฅผ ๋Œ€์ƒ์œผ๋กœ ์ด๋ฃจ์–ด์กŒ์œผ๋ฉฐ, 60์„ธ ์ด์ƒ์˜ ๋…ธ์ธ์„ ๋Œ€์ƒ์œผ๋กœ ํ•˜๋Š” ์—ฐ๊ตฌ๋Š” ๋งค์šฐ ๋ถ€์กฑํ•˜์˜€๋‹ค.
์ด์— ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์ •์ƒ ๋…ธ์ธ๋“ค์—๊ฒŒ ๊ฒฌ๊ด€์ ˆ์˜ ์•ˆ์ •์„ฑ์— ์ž‘์šฉํ•˜๋Š” ๊ทผ์œก๋“ค์„ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์„ ํ†ตํ•˜์—ฌ ์•Œ์•„๋ณด๊ณ ์ž ํ•˜์˜€์œผ๋ฉฐ, ๋‹ซํžŒ ์‚ฌ์Šฌ ์šด๋™์˜ ํ˜•ํƒœ์— ๋”ฐ๋ผ ๊ทผํ™œ์„ฑ๋„๊ฐ€ ์–ด๋–ป๊ฒŒ ๋ณ€ํ™”๋˜๋Š”์ง€ ํ™•์ธํ•˜๊ณ ์ž ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด์— ๋ณ€ํ™”๋ฅผ ์ฃผ์–ด ๋…ธ์ธ๋“ค์˜ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„๊ทผ ํ™œ์„ฑ๋„์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์„ ์•Œ์•„๋ณด๊ณ ์ž ํ•˜์˜€๋‹ค.

์—ฐ๊ตฌ ๋ฐฉ๋ฒ•

1. ์—ฐ๊ตฌ ๋Œ€์ƒ

๋ณธ ์—ฐ๊ตฌ๋Š” ์—ฐ๊ตฌ ๋ชฉ์ ๊ณผ ๋ฐฉ๋ฒ•์— ๋Œ€ํ•˜์—ฌ ์ถฉ๋ถ„ํ•œ ์„ค๋ช…์„ ๋“ค์€ ํ›„ ์ž๋ฐœ์ ์œผ๋กœ ๋ณธ ์‹คํ—˜์— ์ฐธ์—ฌํ•  ๊ฒƒ์„ ์„œ๋ฉด ๋™์˜ํ•œ ๊ฑด๊ฐ•ํ•œ 60๋Œ€ 15๋ช… (๋‚จ์ž: 8๋ช…, ์—ฌ์ž: 7๋ช…)์œผ๋กœ ๊ตฌ์„ฑ๋˜์—ˆ์œผ๋ฉฐ, ํ‰๊ท  59.7์„ธ, ํ‰๊ท  ์‹ ์žฅ 165.7 cm, ํ‰๊ท  ์ฒด์ค‘ 64.93 kg์ด๋ฉฐ, ์–ด๊นจ ๊ทผ์œก์˜ ์œ„์ถ•, ๊ธฐํ˜• ์ •ํ˜•์™ธ๊ณผ์  ํ˜น์€ ์‹ ๊ฒฝํ•™์  ์ฆ์ƒ์„ ํ˜ธ์†Œํ•˜๋Š” ์ž๋Š” ์ œ์™ธํ•˜์˜€์œผ๋ฉฐ ์ •๊ธฐ์ ์œผ๋กœ ์–ด๊นจ ๊ด€๋ จ ๊ทผ๋ ฅ ์šด๋™์„ ํ•˜๋Š” ์ž๋„ ์ œ์™ธํ•˜์˜€๋‹ค.

2. ์‹คํ—˜ ๋ฐฉ๋ฒ•

1) ๊ทผ์ „๋„

๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ํ‘œ๋ฉด ๊ทผ์ „๋„(surface EMG, KEYPOINTยฎ, Medtronic, USA)๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค. ๊ทผ์ „๋„ ์‹ ํ˜ธ์˜ ํ‘œ๋ณธ ์ถ”์ถœ๋ฅ (Sampling rate)์€ 1,024 Hz๋กœ ์„ค์ •ํ•˜์˜€๊ณ , ๊ทผ์ „๋„์˜ ์ฃผํŒŒ์ˆ˜ ๋Œ€์—ญํญ(bandwidth)์€ 20-450 Hz๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค.
์‹คํ—˜ ์ „ ๊ฒฌ๊ฐ‘๊ณจ ์•ˆ์ •ํ™”์— ๊ธฐ์—ฌํ•˜๋Š” ๋Œ€ํ‰๊ทผ, ์ค‘์•™ ์‚ผ๊ฐ๊ทผ, ํ›„๋ฉด ์‚ผ๊ฐ๊ทผ, ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ, ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ, ์ „๊ฑฐ๊ทผ์„ ๋Œ€์ƒ์œผ๋กœ ํ•˜์˜€์œผ๋ฉฐ,2 ๊ทผ์ „๋„ ์‹ ํ˜ธ๋Ÿ‰ ์ธก์ •์„ ์œ„ํ•ด Boettcher25, Gawk26 ๋“ฑ์˜ ์—ฐ๊ตฌ๋ฅผ ์ฐธ์กฐํ•˜์—ฌ ๊ฐ ๊ทผ์œก์˜ ์ „๊ทน ๋ถ€์ฐฉ ์œ„์น˜๋ฅผ ๊ฒฐ์ •ํ•˜์˜€๋‹ค.
๊ทผ์ „๋„ ์‹ ํ˜ธ์— ๋Œ€ํ•œ ํ”ผ๋ถ€ ์ €ํ•ญ์„ ์ค„์ด๊ธฐ ์œ„ํ•ด, ์ธก์ •๋ถ€์œ„์˜ ํ„ธ์„ ์ œ๊ฑฐ ํ•˜์—ฌ ์•Œ์ฝ”์˜ฌ ์†œ์œผ๋กœ ๋ถ€์ฐฉ๋ถ€์œ„๋ฅผ ๊นจ๋—ํ•˜๊ฒŒ ํ•˜์˜€๋‹ค. ์ „๊ทน์€ ํ‘œ๋ฉด ๊ทผ์ „๋„ ์ธก์ •์„ ์œ„ํ•œ ๋„์ž๋ฅผ ์ด์šฉํ•˜์˜€๋‹ค. ๊ทผ์ „๋„ ์ „๊ทน ๋ถ€์ฐฉ ํ›„ ๊ฐ ๊ทผ์œก์˜ ์‹ ํ˜ธ๋ฅผ ์ ๊ฒ€ํ•œ ํ›„ ๋ณธ ์‹คํ—˜์„ ์‹ค์‹œํ•˜์˜€๋‹ค.
์‹คํ—˜์„ ํ†ตํ•ด ์–ป์–ด์ง„ ๊ฐ ๊ทผ์œก์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ํ‘œ์ค€ํ™”ํ•˜๊ธฐ ์œ„ํ•ด์„œ ๋„์ˆ˜๊ทผ๋ ฅ๊ฒ€์‚ฌ ์ž์„ธ์—์„œ ์ตœ๋Œ€ ๋“ฑ์ฒ™์„ฑ ์ˆ˜์ถ•(Maximal voluntary isometric contraction, MVIC)์‹œ ๊ฐ ๊ทผ์œก์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ์ธก์ •ํ•˜์˜€๋‹ค. 5์ดˆ ๋™์•ˆ์˜ ์ž๋ฃŒ๊ฐ’์„ root mean square (RMS)๋กœ ์ˆ˜์ง‘ํ•œ ํ›„ ์ค‘๊ฐ„ 3์ดˆ ๊ฐ„์˜ RMS๊ฐ’์„ %MVIC๋กœ ์‚ฌ์šฉํ•˜์˜€๋‹ค. MVIC ์ธก์ •์ž์„ธ๋Š” Kelly,27 McCabe28 ๋“ฑ์˜ ์—ฐ๊ตฌ๋ฅผ ์ฐธ๊ณ ํ•˜์˜€๋‹ค.

2) ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜

๋ณธ ์‹คํ—˜์— ์‚ฌ์šฉ๋œ ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜๋Š” pressure biofeedback unit (Stabilizer, Chattanooga Group Inc., Hixson, USA)์œผ๋กœ ์•ˆ์ •ํ™” ๊ทผ์œก๋“ค์˜ ์žฌ๊ต์œก์„ ์œ„ํ•ด ๋ฌผ๋ฆฌ์น˜๋ฃŒ์‚ฌ๋“ค์— ์˜ํ•ด ๊ฐœ๋ฐœ๋œ ์น˜๋ฃŒ ๋„๊ตฌ์ด๋‹ค. ์น˜๋ฃŒ๋ฅผ ํ•˜๋Š” ๋™์•ˆ ์••๋ ฅ์„ผ์„œ๋Š” ํ™˜์ž๋“ค์—๊ฒŒ ์œ ์šฉํ•œ ์‹œ๊ฐ ๋˜๋จน์ž„ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ด ์ค€๋‹ค. ๊ฒฝ์ถ”์™€ ์š”์ถ” ์•ˆ์ •ํ™” ๊ทผ์œก๋“ค์˜ ์žฌ๊ต์œก๊ณผ ๊ฐ ๊ด€์ ˆ๋“ค์˜ ์•ˆ์ •์„ฑ ์ฆ์ง„์„ ์œ„ํ•ด ์ž์ฃผ ์‚ฌ์šฉ๋˜์–ด ์ง„๋‹ค๊ณ  ํ•˜์˜€๋‹ค.29

3. ์‹คํ—˜์ ˆ์ฐจ

์‹คํ—˜ ์ „ ๋Œ€์ƒ์ž๋“ค์—๊ฒŒ ์‹คํ—˜์— ๋Œ€ํ•ด ์ถฉ๋ถ„ํžˆ ์„ค๋ช…ํ•œ ํ›„ ์ง„ํ–‰ํ•˜์˜€๋‹ค. ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์„ ์ด์šฉํ•œ ์‹คํ—˜์„ ์œ„ํ•ด ์‹คํ—˜๋Œ€์ƒ์ž๋Š” ๋ฒฝ์„ ๋งˆ์ฃผํ•˜๊ณ  ์„  ์ž์„ธ์—์„œ ์‹คํ—˜ํ•˜์˜€๋‹ค. ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์—์„œ ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„๊ทผ ํ™œ์„ฑ๋„๋ฅผ ๋ณด๊ธฐ ์œ„ํ•˜์—ฌ ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„๋Š” 90ยฐ์™€ 135ยฐ๋กœ ๊ตฌ๋ถ„ํ•˜์—ฌ ์ง„ํ–‰ํ•˜์˜€๊ณ , ์ง€์ง€๋ฉด์€ ์ข…์ด์™€ ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜(Stabilizer)๋กœ ๊ตฌ๋ถ„ํ•˜์—ฌ ์ง„ํ–‰ํ•˜์˜€๋‹ค(Figure 1). ๋ชจ๋“  ๋Œ€์ƒ์ž๋“ค์€ ๋ฌด์ž‘์œ„์ˆœ์„œ๋กœ ์šด๋™์„ ์‹ค์‹œํ•˜์˜€๋‹ค. ๊ฐ๊ฐ์˜ ์กฐ๊ฑด์„ 3ํšŒ์”ฉ ์ธก์ •ํ•˜์˜€์œผ๋ฉฐ, ์กฐ๊ฑด ๊ฐ„ 1๋ถ„์˜ ํœด์‹์„ ์ฃผ์—ˆ๋‹ค. ๊ทผ์ „๋„ ์‹ ํ˜ธ๋Š” ๊ฒฌ๊ด€์ ˆ์„ 90ยฐ์™€ 135ยฐ ๊ตด๊ณก์„ ์œ ์ง€ํ•œ ์ƒํƒœ์—์„œ 5์ดˆ๊ฐ„ ์ตœ๋Œ€ํ•œ ํž˜์„ ์ฃผ์–ด ๋ฒฝ์„ ๋ฐ€๋ฉด์„œ ์ง€์ง€๋ฉด์„ ์œ ์ง€ํ•˜๋„๋ก ํ•˜์—ฌ ํš๋“ํ•˜์˜€์œผ๋ฉฐ, ์‹คํ—˜์ ˆ์ฐจ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์•˜๋‹ค.
Figureย 1
(A) Shoulder 90ยฐ flexion on paper. (B) Shoulder 135ยฐ flexion on paper. (C) Shoulder 90ยฐ flexion on stabilizer. (D) Shoulder 135ยฐ flexion on stabilizer.
JKPT_27_246_fig_1.tif
  • 1) ๋Œ€์ƒ์ž๋“ค์€ ๋ฌด์ž‘์œ„์ˆœ์„œ๋กœ ๊ฐ๊ฐ์˜ ์ง€์ง€๋ฉด์—์„œ ์™ผ์ชฝ ์ƒ์™„์„ ๊ฐ๊ฐ 90ยฐ์™€ 135ยฐ ๊ตด๊ณกํ•˜์˜€๋‹ค.

  • 2) ์ข…์ด๋ฅผ ์ด์šฉํ•˜์—ฌ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์„ ํ•  ๋•Œ์—๋Š” ๋Œ€์ƒ์ž์—๊ฒŒ ์ข…์ด๊ฐ€ ๋–จ์–ด์ง€์ง€ ์•Š๊ฒŒ ์œ ์ง€ํ•˜๋„๋ก ํ•˜์—ฌ ์‹คํ—˜์„ ์ง„ํ–‰ํ•˜์˜€๋‹ค.

  • 3) ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜๋ฅผ ์ด์šฉํ•˜์—ฌ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์„ ํ•  ๋•Œ์—๋Š” ์ดˆ๊ธฐ ์••๋ ฅ์„ 20 mmHg๋กœ ์„ค์ •ํ•œ ํ›„, ๋Œ€์ƒ์ž์—๊ฒŒ ์••๋ ฅ ๊ฐ’์„ 40 mmHg๋กœ ์œ ์ง€ํ•˜๋„๋ก ํ•˜์—ฌ ์‹คํ—˜์„ ์ง„ํ–‰ํ•˜์˜€๋‹ค.

4. ๋ถ„์„๋ฐฉ๋ฒ•

๋ฐ”๋กœ ์„  ์ž์„ธ์—์„œ ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด์— ๋”ฐ๋ฅธ ๋”ฐ๋ฅธ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„๊ทผ์˜ ํ™œ์„ฑ๋„๋ฅผ ๋น„๊ตํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ๋Œ€์‘ํ‘œ๋ณธ t-๊ฒ€์ •(paired t-test)๋ฅผ ์‹ค์‹œํ•˜์˜€๋‹ค. ์ด ์—ฐ๊ตฌ์—์„œ ํ†ต๊ณ„ํ•™์  ์œ ์˜์„ฑ์„ ๊ฒ€์ •ํ•˜๊ธฐ ์œ„ํ•ด ์œ ์˜์ˆ˜์ค€ ฮฑ=0.05๋กœ ์ •ํ•˜์˜€๋‹ค. ์ž๋ฃŒ์˜ ํ†ต๊ณ„์ฒ˜๋ฆฌ๋Š” SPSS (Win ver. 22.0) ํ”„๋กœ๊ทธ๋žจ์„ ์ด์šฉํ•˜์˜€๋‹ค.

๊ฒฐ๊ณผ

1. ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด์— ๋”ฐ๋ฅธ ๋Œ€ํ‰๊ทผ์˜ ํ™œ์„ฑ๋„ ๋น„๊ต

๋Œ€ํ‰๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ๋ถ„์„ํ•œ ๊ฒฐ๊ณผ, ์ƒ์™„ 135ยฐ ๊ตด๊ณก์ƒํƒœ์—์„œ ์ง€์ง€๋ฉด ๋ณ€ํ™”์—๋Š” ๊ทผํ™œ์„ฑ๋„์— ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ์œผ๋ฉฐ(p<0.05), ์ข…์ด ์ง€์ง€๋ฉด์—์„œ ์ƒ์™„ ๊ตด๊ณก๊ฐ๋„ ๋ณ€ํ™”์— ๋”ฐ๋ผ ๊ทผํ™œ์„ฑ๋„์— ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋‹ค(p<0.05) (Table 1).
Tableย 1
Comparison of muscle activities of each muscles according angle and surface (Unit: %MVIC)
Muscle Angle Paper Stabilizer t p
Pectoralis major Shoulder 90ยฐ 35.73ยฑ19.55a 43.23ยฑ24.19 -1.203 0.249
Shoulder 135ยฐ 27.33ยฑ17.95 42.49ยฑ22.28 -4.452 0.001
t 2.477 0.109
p 0.027 0.915
Deltoid middle Shoulder 90ยฐ 25.55ยฑ11.19a 55.27ยฑ20.19 -6.732 0.000
Shoulder 135ยฐ 25.51ยฑ10.64 63.50ยฑ19.77 -8.536 0.000
t 0.049 -1.961
p 0.962 0.070
Deltoid posterior Shoulder 90ยฐ 16.72ยฑ20.43a 15.84ยฑ11.15 0.251 0.805
Shoulder 135ยฐ 17.30ยฑ17.41 13.77ยฑ14.49 0.749 0.466
t -0.399 0.574
p 0.696 0.575
Trapezius upper Shoulder 90ยฐ 27.53ยฑ15.55a 24.38ยฑ16.80 0.865 0.402
Shoulder 135ยฐ 25.94ยฑ14.65 21.16ยฑ17.30 0.948 0.359
t 0.978 0.743
p 0.345 0.470
Trapezius lower Shoulder 90ยฐ 28.03ยฑ21.35a 27.25ยฑ17.26 0.136 0.894
Shoulder 135ยฐ 25.11ยฑ15.46 17.42ยฑ11.43 2.143 0.050
t 0.999 2.273
p 0.335 0.039
Serratus anterior Shoulder 90ยฐ 56.35ยฑ26.10a 37.10ยฑ21.61 2.123 0.052
Shoulder 135ยฐ 47.62ยฑ19.37 37.29ยฑ22.90 1.266 0.226
t 3.204 -0.037
p 0.006 0.971

a MeanยฑSD.

2. ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด์— ๋”ฐ๋ฅธ ์ค‘์•™ ์‚ผ๊ฐ๊ทผ์˜ ํ™œ์„ฑ๋„ ๋น„๊ต

์ค‘์•™์‚ผ๊ฐ๊ทผ์€ ์ƒ์™„ 90ยฐ, 135ยฐ ๊ตด๊ณก์ƒํƒœ์—์„œ ์ง€์ง€๋ฉด ๋ณ€ํ™”์— ๋”ฐ๋ผ ๊ทผํ™œ์„ฑ๋„์— ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋‹ค(p<0.05) (Table 1).

3. ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด์— ๋”ฐ๋ฅธ ํ•˜๋ถ€์Šน๋ชจ๊ทผ์˜ ํ™œ์„ฑ๋„ ๋น„๊ต

ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ์€ ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜ ์ง€์ง€๋ฉด์—์„œ ์ƒ์™„ ๊ตด๊ณก ์ƒํƒœ์— ๋”ฐ๋ผ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ๋‚˜ํƒ€๋‚ฌ๋‹ค(p<0.05) (Table 1).

4. ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ง€์ง€๋ฉด์— ๋”ฐ๋ฅธ ์ „๊ฑฐ๊ทผ์˜ ํ™œ์„ฑ๋„ ๋น„๊ต

์ „๊ฑฐ๊ทผ์€ ์ƒ์™„ 90ยฐ ๊ตด๊ณก ์ƒํƒœ์—์„œ ์ง€์ง€๋ฉด ๋ณ€ํ™”์— ๋”ฐ๋ผ ๊ทผํ™œ์„ฑ๋„์— ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋‹ค(p<0.05) (Table 1).

๊ณ ์ฐฐ

๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” 60์„ธ ์ด์ƒ ๋…ธ์ธ๋“ค์„ ๋Œ€์ƒ์œผ๋กœ ๋‹ซํžŒ์‚ฌ์Šฌ ์šด๋™ํ˜•ํƒœ์™€ ๊ฒฌ๊ด€์ ˆ์˜ ๊ตด๊ณก๊ฐ๋„๋ฅผ ๋ณ€ํ™”์‹œ์ผœ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„์˜ ํ™œ์„ฑํ™”๋˜๋Š” ๊ทผ์œก์˜ ๋ณ€ํ™”๋ฅผ ํ™•์ธํ•˜๊ณ ์ž ํ•˜์˜€๋‹ค.
Davies ๋“ฑ34์˜ ๊ฒฌ๊ด€์ ˆ ๋ณตํ•ฉ์ฒด์˜ ์‹ ๊ฒฝ๊ทผ ์žฌํ™œ์— ๊ด€ํ•œ ์—ฐ๊ตฌ์—์„œ, ๋‹ซํžŒ ์‚ฌ์Šฌ ์ž์„ธ์—์„œ์˜ ๊ฒฌ๊ด€์ ˆ ๊ฐ•ํ™”์šด๋™์€ ๊ด€์ ˆ๋‚ญ์˜ ๋ถ€ํ•˜๋ฅผ ์ค„์—ฌ์ฃผ๊ณ  ์—ญ๋™์ ์ธ ์•ˆ์ •ํ™” ๊ตฌ์กฐ์˜ ๋™์‹œ์ˆ˜์ถ•์„ ์ด‰์ง„์‹œํ‚จ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.
Khademi Kalantari35์˜ ์—ฐ๊ตฌ์—์„œ๋Š” 20๋Œ€ ๋Œ€์ƒ์ž์—๊ฒŒ ์ง€์ง€๋ฉด์˜ ๋ณ€ํ™”์— ๋”ฐ๋ผ ์ƒ๋ถ€ ๋ฐ ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ, ์ „๊ฑฐ๊ทผ, ์ด๋‘๊ทผ ์žฅ๋‘, ํ›„๋ฉด ์‚ผ๊ฐ๊ทผ, ๋Œ€์›๊ทผ์˜ ํ™œ์„ฑ๋„๋ฅผ ๊ทผ์ „๋„๋กœ ์ธก์ •ํ•œ ๊ฒฐ๊ณผ ์—Ž๋“œ๋ฆฐ ์ž์„ธ์—์„œ ์›Œ๋ธ” ๋ณด๋“œ(wobble board)์™€ ์Šค์œ„์Šค๋ณผ(swiss ball) ์ž‘์€ ๊ณต ๋“ฑ์„ ์ด์šฉํ•œ ๋ถˆ์•ˆ์ •ํ•œ ์ง€์ง€๋ฉด์˜ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์ด ์•ˆ์ •๋œ ์ง€์ง€๋ฉด์˜ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™๊ณผ ๋น„๊ตํ•˜์˜€์„ ๋•Œ ๊ทผ ํ™œ์„ฑ๋„๋ฅผ ์ฆ๊ฐ€์‹œํ‚ค์ง€ ๋ชปํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.
๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” 60๋Œ€ ๋Œ€์ƒ์ž์—๊ฒŒ ๋ฐ”๋กœ ์„  ์ž์„ธ์—์„œ ๊ฒฌ๊ด€์ ˆ 90ยฐ ๊ตด๊ณก ์ƒํƒœ๋กœ ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜๋ฅผ ์ง€์ง€ํ•˜์˜€์„ ๋•Œ ๋Œ€ํ‰๊ทผ, ์ค‘์•™์‚ผ๊ฐ๊ทผ์—์„œ ๊ทผ ํ™œ์„ฑ๋„๊ฐ€ ์˜๋ฏธ ์žˆ๊ฒŒ ์ฆ๊ฐ€ํ•˜์˜€๋‹ค. ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ์€ ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์ƒ๊ด€์—†์ด ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜๋ณด๋‹ค ์ข…์ด๋ฅผ ์ง€์ง€ํ•˜์˜€์„ ๋•Œ ๊ทผ ํ™œ์„ฑ๋„๊ฐ€ ์˜๋ฏธ์žˆ๊ฒŒ ์ฆ๊ฐ€ํ•œ ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ์—ˆ๋‹ค.
์ด๋Š” Khademi Kalantari์˜ ์—ฐ๊ตฌ์—์„œ ์‹ค์‹œํ•œ ์—Ž๋“œ๋ฆฐ ์ž์„ธ๋Š” ๊ฒฌ๊ด€์ ˆ 90ยฐ ๊ตด๊ณก ์ƒํƒœ์—์„œ ์ฒด์ค‘์ง€์ง€๋ฅผ ํ•˜๋Š” ์ƒํƒœ๋กœ ๋ณผ ์ˆ˜ ์žˆ์œผ๋ฉฐ, ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์„  ์ž์„ธ์—์„œ ๊ฒฌ๊ด€์ ˆ 90 ๊ตด๊ณก ์ƒํƒœ์—์„œ ๋ถˆ์•ˆ์ •ํ•œ ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜๋ฅผ ์ง€์ง€ํ•˜์˜€์„ ๋•Œ ๋Œ€ํ‰๊ทผ, ์ค‘์•™ ์‚ผ๊ฐ๊ทผ์—์„œ ํ™œ์„ฑ๋„๊ฐ€ ๋†’์•˜๋‹ค๋Š” ๊ฒฐ๊ณผ์™€ ์„œ๋กœ ์ƒ๋ฐ˜๋œ ๊ฒฐ๊ณผ๋ฅผ ๋ณด์ด๊ณ  ์žˆ์œผ๋ฉฐ, ์ด์— ๋ฐ˜ํ•ด ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ์€ ๊ฒฌ๊ด€์ ˆ ๊ฐ๋„์™€ ์ƒ๊ด€์—†์ด ๋ฒฝ์— ์œ„์น˜ํ•œ ์•ˆ์ •๋œ ์ข…์ด๋ฅผ ์„  ์ž์„ธ์—์„œ ๋ฐ€ ๋•Œ ๋†’์€ ํ™œ์„ฑ๋„๋ฅผ ๋‚˜ํƒ€๋‚ธ ๊ฒƒ์€ ์ผ๋ถ€ ์ผ์น˜ํ•˜๋Š” ๊ฒฐ๊ณผ๋ผ๊ณ  ํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ด๋‹ค.
๋Œ€ํ‰๊ทผ์˜ ์‡„๊ณจ๋ถ€๋ถ„์€ ์‡„๊ณจ์˜ ํ‰๊ณจ์ชฝ์—์„œ ๊ธฐ์‹œํ•˜์—ฌ ์ƒ์™„๊ณจ์˜ ๋Œ€๊ฒฐ์ ˆ๋Šฅ์— ๋ถ€์ฐฉ๋˜์–ด ๊ฒฌ๊ด€์ ˆ์„ ๊ตด๊ณก์‹œํ‚ค๊ณ  ์ˆ˜ํ‰๋‚ด์ „ ์‹œํ‚จ๋‹ค. ํ‰๋Š‘๊ณจ๋ถ€๋ถ„์€ ํ‰๊ณจ์˜ ์ „๋ฉด, 6-7๋ฒˆ์งธ ๋Š‘๊ณจ, ์—ฐ๊ณจ ๊ทธ๋ฆฌ๊ณ  ์™ธ๋ณต์‚ฌ๊ทผ ๊ฑด๋ง‰์—์„œ ๊ธฐ์‹œํ•˜์—ฌ ์ƒ์™„๊ณจ์˜ ๋Œ€๊ฒฐ์ ˆ๋Šฅ์œผ๋กœ ๋ถ€์ฐฉ๋˜์–ด ๊ฒฌ๊ฐ‘๊ณจ์„ ํ•˜๊ฐ•์‹œํ‚จ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.30
์‚ผ๊ฐ๊ทผ์€ ์‡„๊ณจ์˜ ์™ธ์ธก, ๊ฒฌ๋ด‰, ๊ฒฌ๊ฐ‘๊ทน์—์„œ ๊ธฐ์‹œํ•˜์—ฌ ์ƒ์™„๊ณจ ์‚ผ๊ฐ๊ทผ ์กฐ๋ฉด์— ์ •์ง€ํ•˜๋Š” ๊ทผ์œก์œผ๋กœ์„œ, ๊ฒฌ๊ด€์ ˆ ๋ฉ”์ปค๋‹ˆ์ฆ˜์˜ ๊ฐ€์žฅ ํฐ ์ƒ๋ฆฌํ•™์  ๋‹จ๋ฉด์  ๊ทผ์œก์ด๋ฉฐ, ์ƒ์™„ ๊ด€์ ˆ์˜ ์™ธ์ „์—์„œ ๊ฐ€์žฅ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.30 ์™ธ์ „์„ ํ•˜๋Š” ๋™์•ˆ ์ค‘์•™์‚ผ๊ฐ๊ทผ์€ ๊ฐ€์žฅ ํ™œ์„ฑํ™”๋œ๋‹ค. ์ „๋ฉด์‚ผ๊ฐ๊ทผ์€ ์ƒ์™„์˜ ๊ตด๊ณก์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋ฉฐ, ํ›„๋ฉด์‚ผ๊ฐ๊ทผ์€ ์‹ ์ „์— ์˜ํ–ฅ์„ ๋ฏธ์นœ๋‹ค. ์ƒ์™„๊ณจ์˜ ์ถ•ํšŒ์ „๊ณผ ํ•จ๊ป˜ ๊ฒฐํ•ฉ๋œ ์ธก๋ฉด ํšŒ์ „์„ ํ†ตํ•ด์„œ ํ›„๋ฉด์‚ผ๊ฐ๊ทผ์˜ ๋ชจ๋ฉ˜ํŠธ ํŒ”์€ ๋” ์ž‘์•„์ง„๋‹ค. ํ›„๋ฉด์‚ผ๊ฐ๊ทผ์€ ์ „๋ฐฉ๊ตด๊ณก 90ยฐ ์ด์ƒ์ด ๋˜๋ฉด ํฐ ๋ชจ๋ฉ˜ํŠธ ํŒ”์ด ๋˜๋ฉฐ, ํ™œ์„ฑํ™”๋œ๋‹ค. ์ฆ๊ฐ€ํ•˜๋Š” ํ›„๋ฉด์‚ผ๊ฐ๊ทผ์˜ ํ™œ๋™์œผ๋กœ ์ธํ•ด ์ค‘์•™์‚ผ๊ฐ๊ทผ์€ ์ „๋ฐฉ๊ตด๊ณก 60ยฐ์—์„œ ๊ฐ€์žฅ ํฌ๊ฒŒ ํ™œ์„ฑํ™”๋œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.5
Lehman ๋“ฑ21์€ 10๋ช…์˜ ์ Š์€ ๋‚จ์„ฑ์„ ๋Œ€์ƒ์œผ๋กœ ํ•œ ์—ฐ๊ตฌ์—์„œ ์•ˆ์ •ํ•œ ์ง€์ง€๋ฉด๊ณผ ๋ถˆ์•ˆ์ •ํ•œ ์ง€์ง€๋ฉด์—์„œ ํ‘ธ์‰ฌ์—…(push up)๊ณผ ํ‘ธ์‰ฌ์—… ํ”Œ๋Ÿฌ์Šค(push up plus) ์šด๋™์„ ํ•œ ํ›„ ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ, ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ, ์ „๊ฑฐ๊ทผ, ์ƒ์™„ ์ด๋‘๊ทผ ๋“ฑ์˜ ๋ชจ๋“  ๊ทผ์œก์—์„œ ์ง€์ง€๋ฉด ์•ˆ์ •์— ๋”ฐ๋ฅธ ๊ทผํ™œ์„ฑ๋„๋Š” ํ†ต๊ณ„์ ์œผ๋กœ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์—†์—ˆ์œผ๋‚˜, ์ง€์ง€๋ฉด ์•ˆ์ •๋„์™€ ๊ด€๊ณ„์—†์ด ์†๊ณผ ๋ฐœ์˜ ์œ„์น˜ ๋ณ€ํ™”์—์„œ๋Š” ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ๊ณผ ์ „๊ฑฐ๊ทผ์˜ ํ™œ์„ฑ๋„๊ฐ€ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋‹ค๊ณ  ๋ณด๊ณ ํ•˜์˜€๋‹ค.
๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ๋ฒฝ์— ์œ„์น˜ํ•œ ์ข…์ด๋ฅผ ๋ฐ€ ๋•Œ๋ฅผ ์•ˆ์ •๋œ ์ง€์ง€๋ฉด, ์ƒ์ฒด ์••๋ ฅ ๋˜๋จน์ž„ ์žฅ์น˜๋ฅผ ๋ถˆ์•ˆ์ •ํ•œ ์ง€์ง€๋ฉด์œผ๋กœ ๋ณผ ๋•Œ, ๊ฒฌ๊ด€์ ˆ์„ 90ยฐ๋กœ ๊ตด๊ณก๊ณผ ๋ถˆ์•ˆ์ •ํ•œ ๋ฉด์—์„œ์˜ ๋‹ซํžŒ ์‚ฌ์Šฌ ์šด๋™์ด ๋Œ€ํ‰๊ทผ๊ณผ ์ค‘์•™์‚ผ๊ฐ๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ๋†’์˜€๋˜ ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚˜ ์ผ๋ถ€ ์ผ์น˜ํ•˜๋Š” ๋ฉด์ด ์žˆ์œผ๋ฉฐ, ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๊ฐ€ ์ง€์ง€๋ฉด์— ์ƒ๊ด€์—†์ด ๊ฒฌ๊ด€์ ˆ ๊ฐ๋„์— ๋”ฐ๋ผ ์œ ์˜ํ•˜๊ฒŒ ๋†’๊ฒŒ ๋‚˜ํƒ€๋‚˜ ์—ญ์‹œ ์ผ๋ถ€ ์ผ์น˜ํ•˜๋Š” ๋ฉด์ด ์žˆ๋Š” ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.
์ด๋Š” ๊ฒฌ๊ด€์ ˆ ์•ˆ์ •์„ฑ์— ๊ด€์—ฌํ•˜๋Š” ๊ทผ์œก๋“ค ์ค‘ ์ง€์ง€๋ฉด์˜ ์•ˆ์ •์„ฑ์— ๋”ฐ๋ผ์„œ๋Š” ๊ทผํ™œ์„ฑ๋„์˜ ์ฐจ์ด๊ฐ€ ํฌ๊ฒŒ ๋‚˜ํƒ€๋‚˜์ง€ ์•Š์ง€๋งŒ, ๊ฒฌ๊ด€์ ˆ์˜ ๊ตด๊ณก ๊ฐ๋„์˜ ๋ณ€ํ™”์— ๋”ฐ๋ผ์„œ๋Š” ๊ทผํ™œ์„ฑ๋„์˜ ์ฐจ์ด๊ฐ€ ํฌ๊ฒŒ ๋‚˜ํƒ€๋‚œ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์ด๋Š” ๊ฑด๊ฐ•ํ•œ 20๋Œ€์™€ ๊ฑด๊ฐ•ํ•œ 60๋Œ€์˜ ๊ฒฐ๊ณผ๊ฐ€ ์ „ํ˜€ ์ƒ๋ฐ˜๋˜์ง€ ์•Š๋Š” ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.
Moon36์˜ ์—ฐ๊ตฌ์—์„œ ๊ฑด๊ฐ•ํ•œ ์„ฑ์ธ ๋‚จ์„ฑ 16๋ช… (ํ‰๊ท ์—ฐ๋ น 20.7์„ธ)์„ ๋Œ€์ƒ์œผ๋กœ ์—ด๋ฆฐ ์‚ฌ์Šฌ์šด๋™๊ณผ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์—์„œ ์ƒ์™„ ๊ตด๊ณก๊ฐ๋„์— ๋”ฐ๋ฅธ ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ, ๋Œ€ํ‰๊ทผ, ์ „๊ฑฐ๊ทผ ๋“ฑ์˜ ํ™œ์„ฑ๋„๋ฅผ ๊ฒฌ๊ด€์ ˆ 70ยฐ, 90ยฐ, 110ยฐ์—์„œ ์ธก์ •ํ•œ ๊ฒฐ๊ณผ ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ, ๋Œ€ํ‰๊ทผ์˜ ๊ทผ ํ™œ์„ฑ๋„๋Š” ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์™€ ์šด๋™ํ˜•ํƒœ์— ๋”ฐ๋ผ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์—†์—ˆ์œผ๋‚˜, ์ „๊ฑฐ๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๋Š” ๊ตด๊ณก๊ฐ๋„์˜ ๋ณ€ํ™”์— ๋”ฐ๋ผ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋‹ค๊ณ  ๋ณด๊ณ ํ•˜์˜€๋‹ค.
Moon36์˜ ์—ฐ๊ตฌ๋Š” ์„  ์ž์„ธ์—์„œ ๋‹ซํžŒ ์‚ฌ์Šฌ ์šด๋™์„ ์œ„ํ•˜์—ฌ ๋ฒฝ์— ๊ธฐ๊ณ„์‹ ์ €์šธ์„ ๋ฐ€๋„๋ก ํ•˜์˜€์œผ๋ฉฐ ์—ด๋ฆฐ ์‚ฌ์Šฌ ์šด๋™์„ ์œ„ํ•ด์„œ๋Š” ๋’ค์ชฝ ๋ฒฝ์— ์žˆ๋Š” ๋ฐด๋“œ๋ฅผ ์•ž์œผ๋กœ ํŒ”์„ ๋ป—์œผ๋ฉด์„œ ๋‚ด๋ฐ€๋„๋ก ํ•˜์—ฌ ๋ณธ ์—ฐ๊ตฌ์—์„œ ์ด์šฉํ•œ ๋ฐฉ๋ฒ•๊ณผ๋Š” ๋‹ค์†Œ ๋‹ค๋ฅธ ๋ฐฉ๋ฒ•์„ ์„ ํƒํ•˜์˜€๋‹ค.
๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์ƒ์™„์„ ์ข…์ด์— ์ง€์ง€ํ•˜์—ฌ ๊ตด๊ณก๊ฐ๋„๊ฐ€ ์ฆ๊ฐ€ํ•จ์— ๋”ฐ๋ผ ๋Œ€ํ‰๊ทผ, ์ „๊ฑฐ๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๋Š” ์œ ์˜ํ•œ ์ฐจ์ด๋ฅผ ๋‚˜ํƒ€๋ƒˆ๋‹ค. ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜์— ์ง€์ง€ํ•˜์—ฌ ๊ตด๊ณก๊ฐ๋„๊ฐ€ ์ฆ๊ฐ€ํ•จ์— ๋”ฐ๋ผ ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๋Š” ์œ ์˜ํ•œ ์ฐจ์ด๋ฅผ ๋‚˜ํƒ€๋ƒˆ์œผ๋ฉฐ, ์ค‘์•™์‚ผ๊ฐ๊ทผ๊ณผ ์ „๊ฑฐ๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๊ฐ€ ํ†ต๊ณ„์ ์œผ๋กœ ์œ ์˜ํ•˜์ง€๋Š” ์•Š์•˜์ง€๋งŒ ์ฆ๊ฐ€ํ•˜๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ์—ˆ๋‹ค.
Moon36 ์—ฐ๊ตฌ ๊ฒฐ๊ณผ์—์„œ ์ „๊ฑฐ๊ทผ์˜ ๊ฒฐ๊ณผ๋Š” ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก ๊ฐ๋„์— ๋”ฐ๋ผ ๋ณ€ํ™”๋ฅผ ๋ณด์—ฌ ์ค€ ๋ณธ ์—ฐ๊ตฌ์™€ ์ผ๋ถ€ ์ผ์น˜ํ•˜๋Š” ๋ฉด์„ ๋ณด์ด๊ณ  ์žˆ์œผ๋ฉฐ, ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๊ฒฐ๊ณผ๋Š” ์„œ๋กœ ๋‹ค๋ฅธ ์–‘์ƒ์„ ๋ณด์ด๋Š” ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค.
์Šน๋ชจ๊ทผ์˜ ์ผ๋ฐ˜์ ์ธ ๊ธฐ๋Šฅ์€ ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๊ฒฌ๊ฐ‘๊ณจ ์ƒ๋ฐฉํšŒ์ „๊ณผ ๊ฑฐ์ƒ, ์ค‘๊ฐ„ ์Šน๋ชจ๊ทผ์˜ ํ›„์ธ, ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ์˜ ์ƒ๋ฐฉํšŒ์ „๊ณผ ํ•˜๊ฐ•์„ ํฌํ•จํ•œ๋‹ค. ๋˜ํ•œ ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๋‚ด์ธกํ•˜๋ถ€ ๋ฐฉํ–ฅ์˜ ์„ฌ์œ ๋“ค์€ ํŒ”์„ ๊ตด๊ณก์‹œํ‚ค๋Š” ๋™์•ˆ์— ๊ฒฌ๊ฐ‘๊ณจ์˜ ์™ธํšŒ์ „๊ณผ ํ›„๋ฐฉ๊ฒฝ์‚ฌ์— ๊ธฐ์—ฌํ•œ๋‹ค.31 ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๋†’์€ ํ™œ์„ฑ๋„์™€ ๊ด€๋ จ๋œ ํ™œ๋™์€ ์ˆ„๋” ์‰ฌ๋Ÿฌ๊ทธ(shoulder shrug), ์—Ž๋“œ๋ฆฐ ์ž์„ธ์—์„œ ํŒ” ๋Œ์–ด์˜ฌ๋ฆฌ๊ธฐ(prone rowing), ์—Ž๋“œ๋ฆฐ ์ž์„ธ์—์„œ ๋‚ดยท์™ธ ํšŒ์ „์ด ๋™๋ฐ˜๋œ ์™ธ์ „์—์„œ 90ยฐ์™€ 135ยฐ ์ˆ˜ํ‰์™ธ์ „์ด๋‹ค.
ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ์˜ ๋†’์€ ํ™œ์„ฑ๋„์™€ ๊ด€๋ จ๋œ ํ™œ๋™์€ ์—Ž๋“œ๋ฆฐ ์ž์„ธ์—์„œ ํŒ” ๋Œ์–ด์˜ฌ๋ฆฌ๊ธฐ(prone rowing), ์—Ž๋“œ๋ฆฐ ์ž์„ธ์—์„œ ๋‚ดยท์™ธ ํšŒ์ „์ด ๋™๋ฐ˜๋œ ์™ธ์ „์—์„œ 90ยฐ์™€ 135ยฐ ์ˆ˜ํ‰์™ธ์ „, 90ยฐ ์™ธ์ „์—์„œ ์™ธํšŒ์ „์ด๋‹ค. ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ์˜ ํ™œ์„ฑ๋„๋Š” 90ยฐ ์ดํ•˜์—์„œ์˜ scaption, ์™ธ์ „, ๊ตด๊ณก์—์„œ ์ ์ฐจ์ ์œผ๋กœ ๋‚ฎ์•„์ง€๋Š” ๊ฒฝํ–ฅ์ด ์žˆ์œผ๋ฉฐ, 90ยฐ์—์„œ 180ยฐ๊นŒ์ง€ ๊ธฐํ•˜๊ธ‰์ˆ˜์ ์œผ๋กœ ์ฆ๊ฐ€ํ•œ๋‹ค๊ณ  ํ•˜์˜€๋‹ค.32
์ „๊ฑฐ๊ทผ์€ ์†Œํ‰๊ทผ๊ณผ ํ•จ๊ป˜ ๊ฒฌ๊ฐ‘๊ณจ์„ ์™ธ์ „ ์‹œํ‚ค๋ฉฐ, ์ƒยทํ•˜๋ถ€ ์Šน๋ชจ๊ทผ๊ณผ ํ•จ๊ป˜ ๊ฒฌ๊ฐ‘๊ณจ์„ ์ƒ๋ฐฉ ํšŒ์ „ ์‹œํ‚จ๋‹ค. ์ „๊ฑฐ๊ทผ์€ ์ƒ์ง€๋ฅผ ๊ตด๊ณก์‹œํ‚ค๋Š” ๋™์•ˆ์— ์ƒ๋ฐฉํšŒ์ „, ํ›„๋ฐฉ๊ฒฝ์‚ฌ, ์™ธํšŒ์ „ ๊ฐ™์€ ์ •์ƒ์ ์ธ ๊ฒฌ๊ฐ‘๊ณจ ์›€์ง์ž„์˜ ๋ชจ๋“  ์š”์†Œ์— ๊ธฐ์—ฌํ•˜๋Š” ์ค‘์š”ํ•œ ๊ทผ์œก์ด๋‹ค. ๋˜ํ•œ ๊ฒฌ๊ฐ‘๊ณจ์˜ ๋‚ดํšŒ์ „๊ณผ ์ „๋ฐฉ๊ฒฝ์‚ฌ๋ฅผ ๋ง‰๊ธฐ ์œ„ํ•˜์—ฌ ๊ฒฌ๊ฐ‘๊ณจ์˜ ๋‚ด์ธก๋ฉด๊ณผ ํ•˜๊ฐ์„ ์•ˆ์ •ํ™”์‹œํ‚ค๋Š”๋ฐ ๋„์›€์„ ์ค€๋‹ค๊ณ  ํ•˜์˜€๋‹ค.31,33
Jang37์˜ ์—ฐ๊ตฌ์—์„œ๋Š” 20๋Œ€ 15๋ช…์˜ ๋‚จ์ž๋ฅผ ๋Œ€์ƒ์œผ๋กœ ์—ด๋ฆฐ ์‚ฌ์Šฌ์šด๋™๊ณผ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™์„ ํ•˜๋Š” ๋™์•ˆ ์ƒ์™„์„ 0ยฐ, 45ยฐ, 90ยฐ, 135ยฐ๋กœ ๊ตด๊ณกํ•œ ์ƒํƒœ์—์„œ ์™ธํšŒ์ „์„ ํ•˜์—ฌ ๊ทนํ•˜๊ทผ, ์ „๋ฉด์‚ผ๊ฐ๊ทผ, ์ค‘์•™์‚ผ๊ฐ๊ทผ, ํ›„๋ฉด์‚ผ๊ฐ๊ทผ, ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ, ์›ํšŒ๋‚ด๊ทผ์˜ ๊ทผํ™œ์„ฑ๋„๋ฅผ ๋น„๊ตํ•œ ๊ฒฐ๊ณผ ์ „๋ฉด์‚ผ๊ฐ๊ทผ, ์ค‘์•™์‚ผ๊ฐ๊ทผ, ์ƒ๋ถ€ ์Šน๋ชจ๊ทผ, ์›ํšŒ๋‚ด๊ทผ์€ ์šด๋™๋ฐฉ๋ฒ•๊ณผ ์ƒ์™„ ๊ตด๊ณก๊ฐ๋„์˜ ๋ณ€ํ™”์— ๋”ฐ๋ผ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ๋‚˜ํƒ€๋‚ฌ์œผ๋‚˜, ํ›„๋ฉด์‚ผ๊ฐ๊ทผ์€ ์šด๋™๋ฐฉ๋ฒ•๊ณผ ์ƒ์™„ ๊ตด๊ณก๊ฐ๋„์˜ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ์œ ์˜ํ•œ ์ฐจ์ด๊ฐ€ ๋‚˜ํƒ€๋‚˜์ง€ ์•Š์•˜๋‹ค๊ณ  ๋ณด๊ณ ํ•˜์˜€๋‹ค.
๋ณธ ์—ฐ๊ตฌ์˜ ๊ฒฐ๊ณผ์™€ ๋น„๊ตํ•˜์˜€์„ ๋•Œ ์šด๋™๋ฐฉ๋ฒ•๊ณผ ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„์— ๋”ฐ๋ผ ์ผ๋ถ€ ์ผ์น˜ํ•˜๋Š” ๊ฒฐ๊ณผ๋ฅผ ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค.
Kim ๋“ฑ39์€ ๋‡Œ์กธ์ค‘ ํ™˜์ž 30๋ช…์„ ๋Œ€์ƒ์œผ๋กœ ์••๋ ฅ ์ƒ์ฒด ๋˜๋จน์ž„ ์žฅ์น˜๋ฅผ ์ด์šฉํ•œ ์–ด๊นจ ์•ˆ์ •ํ™” ์šด๋™์ด ๋Œ€์ƒ์ž๋“ค์˜ ๊ฒฌ๊ฐ‘๊ณจ ๊ฑฐ๋ฆฌ, ๋™์  ๊ท ํ˜• ๋“ฑ์—์„œ ์œ ์˜ํ•œ ๊ฐœ์„ ์„ ๋ณด์˜€๋‹ค๊ณ  ํ•˜์—ฌ ๋‡Œ์กธ์ค‘ ํ™˜์ž๋“ค์˜ ๊ฒฌ๊ฐ‘๋Œ€ ์•ˆ์ •ํ™”๋ฅผ ์œ„ํ•ด ์•ˆ์ •ํ™” ์šด๋™, ์ฆ‰ ๋‹ซํžŒ ์‚ฌ์Šฌ ์šด๋™์ด ํ•„์š”ํ•  ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.
๊ฒฐ๋ก ์ ์œผ๋กœ ๋ณธ ์—ฐ๊ตฌ๋Š” 60๋Œ€์˜ ๋‹ซํžŒ ์‚ฌ์Šฌ์šด๋™ํ˜•ํƒœ๊ฐ€ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„๊ทผ ํ™œ์„ฑ๋„์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์— ๋Œ€ํ•ด ์•Œ์•„๋ณด์•˜์œผ๋ฉฐ, ๋Œ€ํ‰๊ทผ, ์ค‘์•™์‚ผ๊ฐ๊ทผ, ํ•˜๋ถ€ ์Šน๋ชจ๊ทผ, ์ „๊ฑฐ๊ทผ์€ ์ง€์ง€๋ฉด์˜ ๋ณ€ํ™” ๋ณด๋‹ค๋Š” ๊ฒฌ๊ด€์ ˆ ๋”ฐ๋ผ ๋” ํฐ ๊ทผํ™œ์„ฑ๋„์˜ ์ฐจ์ด๊ฐ€ ์žˆ์—ˆ๋‹ค๊ณ  ํ•  ์ˆ˜ ์žˆ๋‹ค.
๋”ฐ๋ผ์„œ ๋ณธ ์—ฐ๊ตฌ๋ฅผ ํ†ตํ•˜์—ฌ ์ Š์€ ๋Œ€์ƒ์ž๊ฐ€ ์•„๋‹Œ 60๋Œ€ ์ด์ƒ์˜ ๋…ธ์ธ๋“ค์—๊ฒŒ ๊ฒฌ๊ด€์ ˆ ์ฃผ์œ„๊ทผ์˜ ์•ˆ์ •ํ™”๋ฅผ ์œ„ํ•˜์—ฌ ๊ฒฌ๊ด€์ ˆ ๊ตด๊ณก๊ฐ๋„, ์ง€์ง€๋ฉด ์ƒํƒœ ๋“ฑ์„ ๋ณ€ํ™” ์‹œํ‚ด์œผ๋กœ์จ ๋‹ค์–‘ํ•œ ๊ทผํ™œ์„ฑ๋„์˜ ๋ณ€ํ™”๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์—ˆ์œผ๋ฉฐ, ์ด๋Š” ๊ฒฌ๊ด€์ ˆ ์•ˆ์ •ํ™” ์šด๋™, ํŽธ๋งˆ๋น„ ํ™˜์ž์˜ ๊ฒฌ๊ด€์ ˆ ์•ˆ์ •์„ฑ ํ–ฅ์ƒ ๋“ฑ์„ ์œ„ํ•ด ์ž„์ƒ์ ์œผ๋กœ ๋„๋ฆฌ ์ด์šฉ๋  ์ˆ˜ ์žˆ๋Š” ๊ธฐ์ „์„ ํ™•์ธํ•œ ๊ฒฐ๊ณผ๋กœ์„œ ๊ทธ ์˜๋ฏธ๊ฐ€ ํฌ๋‹ค๊ณ  ํ•  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ด๋‹ค. ๋˜ํ•œ ์„ ํ–‰์—ฐ๊ตฌ๊ฐ€ ๊ฑฐ์˜ 20๋Œ€ ๋Œ€์ƒ์ž๋ฅผ ์—ฐ๊ตฌํ•œ ๊ฒฐ๊ณผ์ด๋ฏ€๋กœ ํ–ฅํ›„ ๊ฐ™์€ ์‹คํ—˜ ๋ฐฉ๋ฒ•์„ ํ†ตํ•˜์—ฌ 20๋Œ€์™€ 60๋Œ€์˜ ๊ฒฌ๊ด€์ ˆ ์•ˆ์ •์„ฑ์— ๊ด€์—ฌํ•˜๋Š” ๊ทผ์œก๋“ค์˜ ํ™œ์„ฑ๋„๋ฅผ ๋น„๊ตํ•˜๋Š” ์—ฐ๊ตฌ๊ฐ€ ํ•„์š”ํ•  ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.
๋ณธ ์—ฐ๊ตฌ์˜ ์ œํ•œ์ ์€ ์ผ๋ฐ˜์ธ์„ ๋Œ€์ƒ์œผ๋กœ ์‹คํ—˜์„ ํ•˜์˜€์œผ๋ฏ€๋กœ ๋‹ค์–‘ํ•œ ํ™˜์ž์—๊ฒŒ ์ผ๋ฐ˜ํ™”ํ•˜๊ธฐ์—๋Š” ๋ฌด๋ฆฌ๊ฐ€ ์žˆ์„ ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋˜๋ฉฐ, ๋…ธํ™”์— ๋”ฐ๋ฅธ ๊ทผํ™œ์„ฑ๋„์˜ ์ฐจ์ด๋ฅผ ์ž„์ƒ์ ์œผ๋กœ ํ•ด๊ฒฐํ•  ์ˆ˜ ์žˆ๋Š” ๋‹ค์–‘ํ•œ ๊ด€๋ฆฌ๊ฐ€ ์ด๋ฃจ์–ด์ ธ์•ผ ํ•  ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.

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