• Journal of Korean Academy of Nursing
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• v.50 no.2
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• pp.286-297
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• 2020

Purpose: This study aimed to identify the effects of myofascial pain syndrome on shoulder pain, range of motion, and body composition around the shoulder in middle-aged women. Methods: A total of 72 women participated in the randomized controlled trial. The subjects were grouped into an experimental group (n=39) and a control group (n=33). The experimental group received a resistance exercise program using an elastic band for 8 weeks, 3 days a week. The control group followed a normal daily for 8 weeks. Measurements were conducted three times; before the experimental treatment (pre-test), the 2nd and 8th weeks after treatment. Results: Regarding the general characteristics and homogeneity of the dependent variables, there were no significant differences between the two groups, except for the thickness of the left and right muscles and the left fat. After treatment, shoulder pain was significantly different between the two groups (F=18.54, p<.001) and the range of shoulder motion was significantly different (left, F=86.70, p<.001; right, F=98.66, p<.001). Furthermore, there were a significant differences in the thickness of muscles between the two groups (left, F=40.20, p<.001; right, F=29.57, p<.001); however, the thickness of fat was not significantly different. Conclusion: The resistance exercise program reduces shoulder pain and improves the range of motion of the shoulder joint and increases muscle mass on around the shoulder. It suggests to conduct a study to confirm the long-term exercise effect.

• Journal of the Korea Computer Industry Society
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• v.5 no.9
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• pp.1079-1088
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• 2004

Generally, the code motion algorithm accomplishes the run-time optimal connected with the computational optimifation and the register overhead This paper proposes a sparse code motion, which considers the code size, in addition to computational optimization and lifetime optimization. The BCM algorithm carries out the optimal code motion computationally and the LCM algorithm reduces the register overhead in a sparse code motion algorithm. A sparse code motion algorithm is optimum algorithm computationally and lifetime because of suppression unnecessary code motion This algorithm improves runtime and efficiency of the program than the previous work through the performance test.

• Journal of Advanced Marine Engineering and Technology
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• v.40 no.2
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• pp.120-130
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• 2016

In general, a series of ship steering motions is composed of a combination of translational motions and rotational motions of the ship. In particular, a series of rotational motions frequently occurs in narrow areas such as ports and canal zones. In this paper, a method was suggested for composing an integrated control algorithm based on the jog dial as a command instrument for rotational motion control. In order to realize the rotational motions, several algorithms were suggested for generating rotational commands, for selecting motion variables, for choosing reference input values for the motion variables, for computing required accelerations and thrusts, and for allocating thrusts to actuators. A simulation program was compiled to execute simulations for three rotational motions. Finally, the effectiveness of the suggested method was verified by analyzing the simulation results.

• International Journal of Aeronautical and Space Sciences
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• v.2 no.1
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• pp.28-43
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• 2001

Developed in these two series of paper is a complex dynamic model representing the motion of aircraft on the ground and a computer program for numerical simulation. The first part of paper presents the theoretical derivation of equations of motion of the landing gear system based on the physical principle. Developed model is 'structured' in the sense that the undercarriage system is regarded as an assembly of strut, tire, and wheel, where each component is modeled by a separate module. These modules are linked with two external modules-the aircraft and the runway characteristics-to carry out dynamic analysis and numerical simulation of the aircraft motion on the ground. Three sets of coordinate system associated with strut, wheel/tire and runway are defined, and external loads to each component and response characteristics are examined. Lagrangian formulation is used to derive the undercarriage equations of motion relative to the moving aircraft, and the resultant forces and moments from the undercarriage are transformed to aircraft body axes.

• Korean Journal of Computational Design and Engineering
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• v.14 no.4
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• pp.261-270
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• 2009

We can save a lot of efforts and time to perform various kinds of multibody system dynamics simulations if the equations of motion of the multibody system can be formulated automatically. In general, the equations of motion are formulated based on Newton's $2^{nd}$law. And they can be transformed into the equations composed of independent variables by using velocity transformation matrix. In this paper the velocity transformation matrix is derived based on a topological modeling approach which considers the topology and the joint property of the multibody system. This approach is, then, used to formulate the equations of motion automatically and to implement a multibody system dynamics simulation program. To verify the the efficiency and convenience of the program, it is applied to the lifting simulation of a floating crane.

• Women's Health Nursing
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• v.13 no.1
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• pp.43-50
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• 2007

Purpose: There is a need to apply the Tai Chi program to help early mastectomy patients improve their upper limb functions and for the emotional state as well. Method: Participants were recruited at breast cancer centers of two general hospitals from February 17 to April 25, 2005. Twenty-five subjects in the experimental group and 23 subjects in the control group participated for 12 weeks. The Tai chi program consisted of breast cancer self management education and a Tai Chi exercise program. Range of motion of the shoulder joint was determined by the Uni-level inclinometer, and functional assessment of the shoulder was evaluated with the tool. Data was analyzed by SPSS 11. Results: The experimental group had significantly increased shoulder range of motion, especially in external rotation, upper limb function and emotional state compared with the control group after program for 12 weeks. Conclusion: This program makes it possible to be independent and have a positive everyday life. In addition, it can help keep a healthy lifestyle in mastectomy women.

• Journal of muscle and joint health
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• v.12 no.2
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• pp.97-108
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• 2005

Purpose: The purpose of this study was to identify the effects of Self-help group program including Elastic band exercise on ADL and ROM of hemophilia patient. Method: A quasi -experimental design was used. The subjects were 40 young adults with hemophilia (21 experimental group, 19 control group). The subjects of experimental group were participated self-help group program in which five sessions for 5 weeks. The program consisted of health education on hemophilia, elastic band exercise, and therapeutic recreation and its outcomes have been evaluated on ADL and ROM of extremities. The obtained data were analyzed by using the Mann-Whitney U test and ANCOVA of SPSS. Result: 1) The score of ADL increased significantly in the experimental group as compared to the control group. 2) The degree of range of motion of extremities improved in the experimental group as compared to the control group. Conclusion: Considering these research results, the program including elastic band exercise was effective in improving self-management ability and range of motion of extremities. Therefore this program including elastic band exercise could be implemented it as self-management for the hemophilia clients.

• KIPS Transactions on Computer and Communication Systems
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• v.10 no.6
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• pp.181-190
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• 2021

Sports activities conducted by multiple people are difficult to proceed in a situation where a widespread epidemic such as COVID-19 is spreading, and this causes a lack of physical activity in modern people. This problem can be overcome by using online exercise contents, but it is difficult to check detailed postures such as during face-to-face exercise. In this study, we present a model that detects posture and tracks movement using IT system for better non-face-to-face exercise content management. The proposed motion tracking model defines a body model with reference to motion analysis methods widely used in physical education and defines posture and movement accordingly. Using the proposed model, it is possible to recognize and analyze movements used in exercise, know the number of specific movements in the exercise program, and detect whether or not the exercise program is performed. In order to verify the validity of the proposed model, we implemented motion tracking and exercise program tracking programs using Azure Kinect DK, a markerless motion capture device. If the proposed motion tracking model is improved and the performance of the motion capture system is improved, more detailed motion analysis is possible and the number of types of motions can be increased.

• Research in Community and Public Health Nursing
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• v.20 no.4
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• pp.403-411
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• 2009

Purpose: The purpose of this study is to explore the effects of a group movement exercise program on psychophysiological variables in the institutionalized elderly. Methods: This research adopted the non-equivalent control group pretest-posttest design. Twenty elders were selected as an experimental group, whereas twenty-two elders were as a control group. The group movement program consisted of 35 minutes of dance and three days a week for eight weeks. Resting systolic blood pressure, diastolic blood pressure and heart rate were measured in a relaxed sitting position. The range of flexion and extension of joint was measured with a gonimeter. Life satisfaction and self-efficacy were measured by self-report. Data were analyzed through $x^2$-test, t-test and ANCOVA using SPSS/WIN program. Results: The results were as follows: Resting systolic blood pressure, diastolic blood pressure and resting heart rate decreased significantly by the group movement training. The range of flexion and extension of the shoulder and hip joints increased significantly. The scores of life satisfaction and self-efficacy increased remarkably by the group movement. Conclusion: The results suggest that group movement training can be an effective intervention to improve psychophysiological variables and the range of motion for the institutionalized elderly.

• 연구논문집
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• s.29
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• pp.111-121
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• 1999

Weft insertion and Beating mechanism which weaves fabric with completion the pattern of warp yarn and weft yarn in the high speed rapier loom is driven by cam operating method. This mechanism has 4 cams on the coaxial line for driving. These cams form a pair by two. and perform a conjugate motion with each other. By this reason, it is necessary for two pairs to realize the synchronized motion through exact and optimal design. From this viewpoint, to analysis the whole cams' movement and to realize the high speed of rapier loom, I tried to develop the computer aided simulation program. In this study, I would like to introduce the simulation program about above-mentioned 4 kinds of cam mechanism which can display the profiles of 2 pairs of cam mechanism not to speak of mutual relationships of their movement on the monitor.