서 론
연구방법
연구대상
측정방법
1. 사용 장비 및 실험 절차
2. 근활성 분석
3. 분석 동작(Event) 및 국면(Phase) 설정
Fig 2.
The event and phase classification during shooting motion in Korean traditional archers. Ev①, Junbi(Set); Ev②, Geogung(Set up); Ev③, Manjak(Full draw); Ev④, Balsi(Release); Ev⑤, Machigi(Ending); Ph(1), phase of Deuleo oligi(E①~E②); Ph(2), phase of Milgo danggigi(E②~E③); Ph(3), phase of Guchigi(E③~E④); Ph(4), phase of Mamuri(E④~E⑤).

자료처리방법
연구결과
활쏘기 동작 시의 팔, 다리, 몸통 근육의 근활성(EMGs) 변화
Fig 3.
The sample diagram of a subject which change of muscle activity(EMGs) during shooting motion in Korean traditional archers. %MVC, % Maximum voluntary contraction; %RTSM, % Relation time of shooting motion; PD, Posterior deltoid; Tra, Trapezius; RM, Rhomboid major; LD, Latissimus dorsi; BB, Biceps brachii; FE, Forearm extensor bundle; TB, Triceps brachii; LS, Levator scapulae, RA, Rectus abdominis, ES, Erector spinae; RF, Rectus femoris; GM, Gluteus maximus; E①, Junbi(Set); E②, Geogung(Set up); E③, Manjak(Full draw); E④, Balsi(Release); E⑤, Mamuri(Ending); Ph(1), phase of Deuleo oligi(E①~E②); Ph(2), phase of Milgo danggigi(E②~E③); Ph(3), phase of Guchigi(E③~E④); Ph(4), phase of Mamuri(E④~E⑤).

Table 2.
The change of muscle activity at each event during shooting motion in Korean traditional archers.
Muscle |
![]() Ev① |
![]() Ev② |
![]() Ev③ |
![]() Ev④ |
![]() Ev⑤ |
f | p | |
---|---|---|---|---|---|---|---|---|
Glut | GM | 14.0±5.4 | 15.6±8.7 | 13.6±5.3 | 13.5±5.4 | 12.1±6.2 | .391 | .814 |
Values are expressed as the mean±SD. Trun, Trunk; Glut, Gluteus; PD, Posterior deltoid; Tra, Trapezius; RM, Rhomboid major; LD, Latissimus dorsi; BB, Biceps brachii; FE, Forearm extensor bundle; TB, Triceps brachii; LS, Levator scapulae, RA, Rectus abdominis, ES, Erector spinae; RF, Rectus femoris; GM, Gluteus maximus, Ev①, Junbi(Set),; Ev②, Geogung(Set up); Ev③, Manjak(Full draw); Ev④, Balsi(Release); Ev⑤, Machim(Ending). a’:p<.01, a:p<.001 significant difference vs Ev①; b’:p<.01, b:p<.001 significant difference vs Ev②; c’:p<.01, c:p<.001 significant difference vs Ev③; d’:p<.01, d:p<.001 significant difference vs Ev④.
활쏘기 서는 자세에 따른 팔, 다리, 몸통 근육의 근활성(EMGs)의 변화
Table 3.
The comparison of muscle activity at each event between parallel and oblique stance group during shooting motion in Korean traditional archers.
Muscle | Group |
![]() Ev① |
![]() Ev② |
![]() Ev③ |
![]() Ev④ |
![]() Ev⑤ |
|
---|---|---|---|---|---|---|---|
Glut | GM | ||||||
t(p) | -0.559(.591) | -0.486(.640) | -0.113(.913) | -0.278(.789) | -0.745(.478) |
Values are expressed as the mean±SD. Trun, Trunk; Glut, Gluteus; PD, Posterior deltoid; Tra, Trapezius; RM, Rhomboid major; LD, Latissimus dorsi; BB, Biceps brachii; FE, Forearm extensor bundle; TB, Triceps brachii; LS, Levator scapulae, RA, Rectus abdominis, ES, Erector spinae; RF, Rectus femoris; GM, Gluteus maximus, PSG, parallel stance group; OSG, oblique stance group; Ev①, Junbi(Set),; Ev②, Geogung(Set up); Ev③, Manjak(Full draw); Ev④, Balsi(Release); Ev⑤, Mamuri(Ending). *’:p<.05 significant difference between GSG and OSG.
활의 장력과 팔, 다리, 몸통 근육의 근활성(EMGs)과의 상관관계
Table 4.
The correlations between bowstring tension and muscle activity at event ③ and ④(Ev③, Ev④).
muscle activity(%MVC) | |||
---|---|---|---|
Ev③ | Ev④ | ||
Glut | GM | .023 | .046 |
tablePearson’s correlation coefficient was employed to determine the relationship between parameters. Trun, Trunk; Glut, Gluteus; PD, Posterior deltoid; Tra, Trapezius; RM, Rhomboid major; LD, Latissimus dorsi; BB, Biceps brachii; FE, Forearm extensor bundle; TB, Triceps brachii; LS, Levator scapulae, RA, Rectus abdominis, ES, Erector spinae; RF, Rectus femoris; GM, Gluteus maximus, Ev③, Manjak(Full draw); Ev ④, Balsi(Release). *: p<t0.05 between parameters.