• Title, Summary, Keyword: physical strength

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A Study on the Physical Strength Criteria for Selecting Sportsmen (회귀분석모형을 이용한 선수선발 기준표 개선방안 연구)

  • 권성국;김충영
    • Journal of the military operations research society of Korea
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    • v.24 no.1
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    • pp.58-67
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    • 1998
  • This paper studies on physical strength measurement utilized for selecting military sportsmen. In order to estimate physical potential capability of a volunteer for a sportsmen, scores of physical strength factors are used and a regression model is developed. And then the results of this model and current physical strength measurement are compared. This paper shows that the model developed here is more effective than current measurement, since measurable physical strength factors are reduced and physical strength factors are quantified by comparing each other.

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Comparison of Knee Muscle Strength and Endurance of Affected Legs of Korean Women Diagnosed with Kellgren-Lawrence grade (K-L II) by Age

  • Hong, Soung-Kyun;Lee, Dong-Geon;Song, Sun-Hae;Lee, Seung-Hoo;Shin, Doo-Chul
    • Journal of the Korean Society of Physical Medicine
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    • v.14 no.4
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    • pp.1-8
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    • 2019
  • PURPOSE: The purpose of this study was to compare the maximum knee strength and endurance of elderly Korean women with Kellgren-Lawrence grade (K-L II) by age. METHODS: In this study, the total number of participants was 50, divided into five groups of 10 by age. Maximum knee muscle strength was measured at a low speed of 60°/sec using Biodex, an isokinetic device for comparison of maximum knee muscle strength, whereas muscle endurance was measured by muscle contraction at a high speed of 180°/sec. The peak torque values of the extensor and flexor muscles in the muscle strength and muscle endurance tests were collected according to each classification. RESULTS: The results of the experiment show that maximum muscle strength and muscle endurance decreased significantly at 60°/sec and 180°/sec during flexion and extension according to age (p<.05). In particular, the age group of 71 to 75 years showed the most significant correlation with other age groups (p<.05). CONCLUSION: The results of this study can be used as basic data for increasing physical activity and muscle strength in women with knee osteoarthritis.

The Effect of Stabilization Exercise and Strength Exercise on Pain, ROM, Strength, Muscle Thickness of Non-Specific Low Back Patients (안정화 운동과 근력운동이 비특이성 요통환자의 통증, 관절가동범위, 근력, 근 두께에 미치는 영향)

  • Jeong, Chanju;Yang, Hoesong;Yoo, Youngdae;Kno, Hynujun;Jang, Yunhyung;Moon, Kyoungae;Yi, Yunkyong;Lim, Changwoo;Cho, Silgeum
    • Journal of The Korean Society of Integrative Medicine
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    • v.2 no.1
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    • pp.35-49
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    • 2014
  • Purpose : The purpose of this study was to find the effects of the lumbar stabilization exercise and strength exercise on pain, ROM, strength, muscle thickness of low back pain(LBP) patients. Method : The subjects were consisted of twelve patients who had nonspecific LBP. All subjects randomly assigned to lumbar stabilization exercise group(N=6) and strength exercise group(N=6). We measured muscular strength, ROM by using Tergumed-extension, rotation and muscle thickness by using ultrasonography and pain score by using Visual analog scale(VAS). The lumbar stabilization exercise group received TOGU exercise, strength exercise group received Tergumed exercise. The data analyzed by repeated measure of Independent t-test, paired t-test, reliability test. Result : The results were as follows. The result which measured of the change of pain score was a significant decrease. The result which measured of the change of ROM and strength was a significant increase. The result which measured of the change of the Internal abdominal oblique, External abdominal oblique on muscle thickness was a significant increase. Stabilization exercise group and Strength exercise group showed the significant difference in muscle thickness on Transversus abdominis, Multifidus. Stabilization exercise group was more increased in muscle thickness. Conclusion : Therefore, we suggest that stabilization exercise is effective for non-specific low back pain.

The Effects of Scapular Exercise and Kinesio Taping of Upper Trapezius Muscle on Grip Strength (견갑골운동과 상승모근의 키네시오 테이핑 적용이 파악력에 미치는 영향)

  • Kim, Chi-Hyok;Kim, Sung-Joong;Oh, Kang-O;Joen, Ik-Bae
    • The Journal of Korean of Orthopedic Manual Physical Therapy
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    • v.18 no.2
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    • pp.1-7
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    • 2012
  • Background: The purpose of this study was to evaluate effects of scapular exercise and Kinesio taping of upper trapezius muscle on grip strength. Method: Subjects were consists of 15 males and 15 females who had disorder of upper extremity. The period of this study is 3 weeks (August 8-26, 2011). We had divided 3 groups, control group, Kinesio taping group, scapluar setting exercise (SSE) group. Results: Grip strength of control group was not significant difference (p>.05). Grip strength of Kinesio taping group was significant difference (p<.05). Grip strength of SSE group was significant difference (p<.05). Grip strength of control group, Kinesio taping group, SSE group were significant difference (p<.05). Conclusion: Kinesio taping group and SSE group are applying on upper trapezius. Both of two groups increased grip strength and was significant difference. Applying Kinesio taping on the upper trapezius and applying SSE on trapezius are effected on the grip strength.

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The Effects of Gluteus Medius Strength Training on Ankle Stability in Patient with Chronic Ankle Sprains (중간볼기근 강화운동이 만성 발목염좌 환자의 발목 안정성에 미치는 효과)

  • Kim, Yoon-hwan;Park, Su-hyung;Song, Hyun-seung
    • The Journal of Korean of Orthopedic Manual Physical Therapy
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    • v.24 no.2
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    • pp.59-67
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    • 2018
  • Background: The purpose of this study was to investigate the effects of gluteus medius strength exercise on the ankle stability of high school student with chronic ankle sprains. Methods: A total of 30 participants were divided two groups. Experimental group was 15 participants applied gluteus medius strength exercise. Control group was 15 participants performing ankle strength exercise. This study was performed for 50 minutes per day, three a week for 6 weeks. All measurements were taken to a pre and post test. Strength was measured using Power Track ll. Balance was measured using Biodex balance system for Limits of Stability and Postural Stability. Ankle Stability was measured using Cumberland Ankle Instability Tool (CAIT). Results: In the case of gluteus medius strength, there were statistically significant differences between the experimental group and the control group. For ankle stability were statistically significant differences within the experimental group according to measurements taken by Limits of Stability, Postural Stability, and CAIT. A between group comparison showed a statistically significant difference for CAIT only. Conclusion: According to our measurements it appears that gluteus medius strength training was effective in benefiting muscular strength, balance and ankle stability among the physical education.

Comparison of Body Composition, Physical Fitness, Isokinetic Strength between a major in EMT Students and a major in Physical Education Students (응급구조 전공과 체육 전공학생의 신체구성, 체력 및 슬관절 등속성 근기능 비교 연구 - 대전·충남을 중심으로 -)

  • Cho, Byung-Jun;Kim, Hak-Soo
    • The Korean Journal of Emergency Medical Services
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    • v.9 no.2
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    • pp.129-136
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    • 2005
  • The purpose of this study was to compare the level of physical fitness and isokinetic strength, between EMT student and physical education students. Nine a major in EMT student volunteers, and nine a major in physical education student volunteers participated in that study as subjects. The basic physical body composition, fitness and isokinetic strength were measured. The data obtained in the study was analyzed by SPSS PC+ for window version 10.0. The difference in the mean of each variable between the two groups was analyzed by using the independent t-test and the significance level for all analysis was set at <.05. The results were as follows ; 1. There was a significant difference in the basic physical fitness between the two groups with the exception flexibility. The difference showed the statistical significance on back strength, balance and power in physical education students. 2. There were significant difference in body composition between the two groups with the exception of lean body fat. The difference showed the statistical significance on body fat%, body fat mass in the physical education students. 3. There was significant defference in the isokinetic strength between the two group. The difference showed the statistical significance on peak torque, peak torque B/W%. It was concluded that the physical education students may not have an effect of flexibility; however, back strength, balance, power, body composition, isokinetic strength, could be enhanced due to the long-term period of training. Based on the findings of this study, the regular participation of regular exercise help the untrained men achieve health-related fitness.

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The Change of Strength of Trunk Flexion and Extension by Intervention of Taping on Abdominal and Back muscles (배부근과 복부근에 대한 테이핑 적용이 체간 굴곡, 신전 근력에 미치는 영향)

  • Gong, Won-Tae;Kim, Dong-Dae;Kim, Sang-Su
    • The Journal of Korean of Orthopedic Manual Physical Therapy
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    • v.15 no.2
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    • pp.35-43
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    • 2009
  • Purpose : The purpose of this study was to measure the change of strength of trunk flexion and extension on abdominal and back muscles. Methods : Each taping group 1(n=14), taping group 2(n=14), taping group 3(n=14) and control group(n=15) were measured a muscle strength by Biodex at first test, second test, third test and forth test in 3 days. Results : The strength of trunk flexion and extension was significantly different among the experimental groups (p<.05). It also shows that significant increasing of muscle strength at 48 hours after application of taping (p<.05). Conclusion : In conclusion, we were found that taping technique base on taping type show immediately assistance of muscle strength and enduring effect for 48 hours.

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Comparison of the Difference of Ankle Range of Motion and Hip Strength in Both Legs of Fencing Athletes with Ankle Instability

  • Park, Chibok;Park, Seju;Kim, Byeonggeun
    • Journal of International Academy of Physical Therapy Research
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    • v.11 no.2
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    • pp.2036-2041
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    • 2020
  • Background: Ankle sprain in the Lead Leg Side (ALLS) is common in fencing athletes, and studies comparing the ankle range of motion (ROM) and strength of both legs are insufficient. Objectvies: To compare the ankle ROM and hip strength between two legs in fencing athletes who has ankle instability in the lead leg side. Design: Cross-sectional design. Methods: Seven fencing athletes with ankle instability participated in this study, and they randomly assigned into ankle in the Lead Leg Side (ALLS) and ankle in the Rear Leg Side (ARLS). Instability was determined by the Cumberland Ankle Instability Tool (CAIT), and then joint ROM and hip muscle strength were measured. Results: There were significant differences in dorsiflexion ROM, hip strength (extension and abduction) between the ALLS with ankle instability and ARLS (P<.05). Conclusion: This study suggests that the ankle ROM and hip muscle strength of ARLS are greater than ALLS in fencing athletes with ankle instability.

The Effects of Body Blade and Thera Band Exercise in Upper Extremity Muscle Strength, Grip Strength and Balance in University Students (바디블레이드와 세라밴드를 이용한 운동이 대학생의 상지근력 악력 및 균형에 미치는 영향)

  • Jo, Min-hyung;Kim, Dong-ho;Kim, In-ha;Lee, Seung-hee;Kim, Sun-kyo;Kim, Young-joo;Choi, Ban-seok;Lee, So-young;Cho, Eui-jin;Kim, Eun-jung;Choi, Hyo-jung;Lim, Kwang-mook;Lee, Yoo-jin;Kim, Kyung-hun
    • Journal of Korean Physical Therapy Science
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    • v.26 no.1
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    • pp.22-34
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    • 2019
  • Purpose: The purpose of this study was to investigate the effects of body blade and Thera band exercise on upper extremity strength, grip strength and balance of university students. Design: Single Blind Randomized Controlled Trial. Method: twenty healthy adults, participated in this study, and were recruited by G University in Gimcheon Korea. The subjects were randomly divided into A group that went through Thera band exercise and B group that went through Body blade exercise. Each group had 10 subjects. All subjects did the experiment for 3 times a week for 3weeks. Spss was used for statistical analysis. Result: 1) Grip strength: After exercising, for the BE group, there were statistically significant differences in dominant and non-dominant hand. However, for the TE group, there were no significant statistical differences in both hands. 2) muscle strength: In the TE group there were no significant statistical differences in the dominant and non-dominant arm. But in the BE group there were differences which were found. 3) balance: After exercising, both groups had no significant statistical difference in medial lateral balance. In anterior and posterior balance, TE group had no statistical significant difference but BE group did. Conclusion: To improve muscle strength balance and grip strength, body blade exercise is more effective than Thera band exercise.

The Effect on Grip Strength with Testing Posture and Flexion Degree of Elbow (검사자세와 주관절 굴곡정도가 파악력에 미치는 영향)

  • Kim Tae-Sook;Park Youn-Ki;Park Young-Han;Bae Sung-Soo
    • The Journal of Korean Physical Therapy
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    • v.7 no.1
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    • pp.43-49
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    • 1995
  • The purpose of this study were to determine the effect of testing posture and elbow position on grip strength. Two hundred college students 100 males and 100 females aged 18 to 28 years, participated in the study. A Grip-Strength Dynamometer was used to measure the grip strength in two testing posture(sitting and standin) and four elbow position$(0^{\circ},\;45^{\circ},\;90^{\circ}\;and\;135^{\circ}\;flexion)$ correlations and t-test was used to determine any significant difference in grip strength between the testing posture and the elbow position. The results were as follows : 1. The grip strength was affected by testing pasture and flexion degree of elbow. 2. The grip strength was stronger in the standing than sitting in subjects 3. The grip strength decreased according to elbow flexion increase in subjects. 4. The higher grip strength gained in the standing with the elbow 0 flexion. 5. The grip strength by elbow flexion degree showed significant difference at sitting and standing posture. The grip strength was significant differenced by testing position at same elbow flexion degree.

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