• Journal of muscle and joint health
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• v.11 no.1
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• pp.61-73
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• 2004

Purpose: The purpose of this study was to determine the effects of a 8- week Tai Chi exercise program on improving the risk factors for falls in the older adults with chronic arthritis pain. Method: Fifteen subjects were assigned for experimental group and thirteen were assigned for control group. The subjects of the experimental group participated in a 8 -week program of Tai Chi exercise. In order to evaluate the effects of Tai Chi program, pain intensity, postural stability, balance, gait, and flexibility of knees and ankles were measured before the first and after the 8th session Result: After a 8-week Tai Chi program, there were significant improvement in single-leg stance time with eyes open(left: p=.000, right: p=.003), total scores of balance(p=.004), total scores of gait(p=.005), and the angle of ankle dorsiflexion(p=.008) in the experimental group when compared to the control group. However, there was no significant difference in pain intensity between Tai Chi group and control group(p=.054). Conclusion: These results suggest that a 8-week Tai Chi exercise program can be utilized as a safe and effective nursing program to improve on improving the risk factors for falls in the older adults with osteoarthritis.

• The Journal of Korean Physical Therapy
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• v.11 no.2
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• pp.149-161
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• 1999

The purpose of study wan to compare the effect of balance performance in the elderly by the strengthening exercise. Thirty-one health elderly women aged 60 to 79 years participated in this study. Participants were divided into exercise(21) and control group(10). Exercise participants received strengthening exercise for 45 minutes in three times a week for 6 weeks while control subjects continued their normal activities, Exercise included resisted hip flexion, extension, abduction and adduction, knee flexion and extension, ankle dorsiflexion and plantrarflexion. All subjects were assessmented clinical test of sensory interaction and balance. one leg stance test, Berg balance test. Exercise and control subjects were teated before, midway through, and at the end of the trial. These collected data were analyzed by using oneway and repeated ANOVA, scheffe's test, 1-test and correlation. The results of this study were as fellows. 1. There were statistically significant difference in balance performance clinical teat of sensory interaction, and balance(p<.01), one leg stance test(p<.05), Berg balance test(p<.05) by the strengthening exercise. 2. There was correlation between static balance and dynamic balance(p<.01). 3. There was correlation between static balance and weight(p<.05), dynamic balance and height(p<.01), and weight(p<.01).

• The Journal of Korean Physical Therapy
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• v.21 no.1
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• pp.89-96
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• 2009

Purpose: The purpose of this study was to determine the effect of modified golf swing training on gait characteristic in hemiplegic patient through Kwon 3D motion analysis system. Methods: This study has performed single subject design from September to October 2008. The subject had left hemiplegia due to CVA in December 2003. He has treated Bobath approach twice a week. In order to increase ankle dorsiflexion and knee flexion, the subject has applied modified golf swing training on the basis of Bobath approach. The measurement of gait characteristic was taken by Kwon 3D motion analysis system. Results: The results were as follows : 1) Walking velocity was increased 0.62m/sec than before the training. 2) Step length was increased 0.09m than before the training. 3) Left ankle and hip angle were increased, but left knee angle was decreased. Conclusion: It could be concluded that the activity modified golf swing training in walking pattern contributed to improve the movement quality and speed of gait.

• Archives of Reconstructive Microsurgery
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• v.12 no.2
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• pp.112-118
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• 2003

Purpose : Soft tissue defect and exposed tendons and bones with concomitant infection in the foot and lower leg have to be covered with vascularized flap as the one stage treatment. Authors have performed 6 cases of pedicled dorsalis pedis island flaps under the loupes magnification and evaluated the benefits. Materials and methods : From 1994 through 2003, we have performed 6 pedicled dorsalis pedis island flaps for reconstruction of soft tissue defects in the foot and lower leg. The causes were trauma in 3 cases, skin necrosis and secondary infection after Achilles tendon repair in 2 cases and acute osteomyelitis in 1 case. Average age was 38 years and 5 cases were male and 1 female. The results of the procedure was evaluated by survival of the island flap, comfort in putting on shoes and walking, comfort in the donor site, comfort in the recipient site and range of motion of the ankle joint. Results : All pedicled dorsalis pedis island flaps survived except 1. Three cases felt discomfort in the dorsum of foot as the donor site and 1 case of the Achilles tendon ruptured and repaired showed limited dorsiflexion of ankle joint. Conclusion : Nonmicrosurgical pedicled dorsalis pedis island flaps under the loupes magnification are one of the useful treatment methods because procedure is rapid, survival is confident and overall reconstructive results are good.

• The Journal of Korean Physical Therapy
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• v.15 no.4
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• pp.90-102
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• 2003

Purpose: The purpose of this study is to search effect that GCM joint treatment gets to range of motion of cervical, lumbar, trunk and anke. And cervical gets in ankle joint. Methods: Estimated body deformity using GCM body type assesment chart then measured range of motion of each region. After control group did as act freely after do experiment pre measurement control group did post measurement. After control group did as act freely after do experiment premeasurement, control group did postmeasurement. Each region was measured by measurer who each subject person differs. Experimental group did GCM joint treatment and all measurements each region by measurer who each subject person differs three times measure postmeasurement after premeasurement. When measure with each measurement, measured after leave and walk time interval for 10 minutes. Result: For the analysis of the result of experiment, the results is change amount comparison increased to keep in mind except cervical flexion and both ankle joint's dorsiflexion after experiment of experimental group. In experimental group, cervical, lumber and ankle joint of range of motion was significantly increased(p<.05).

• The Journal of Korean Physical Therapy
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• v.15 no.4
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• pp.312-318
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• 2003

The purpose of this study were to determine the effect on grip and pinch strength with elbow and wrist angle change. 112 college students, 88 males, and 24 females aged 19 to 34 years, participated in the study. A Grip and pinch strength was measured in two elbow position($0^{\circ}$ and $90^{\circ}$) and three wrist position($80^{\circ},\;0^{\circ},\;23^{\circ}$). The data were analyzed by mean and deviation, and t-test using the PC/SAS system. These results were obtained as follows; 1. There was a more strength grip and pinch power in $0^{\circ}$ than $90^{\circ}$ elbow flexion at three wrist angle. 2. There was a significant high grip and pinch strength in $23^{\circ}$ dorsiflexion among three wrist angle(p<0.01). 3. The grip and pinch strength power was measured higher in male than female every elbow and wrist angle(p<0.01).

• Journal of the Korean Society of Physical Medicine
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• v.7 no.4
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• pp.433-442
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• 2012

PURPOSE: This study investigated to correlation between foot and knee posture characteristics in knee osteoarthritis patients. METHODS: The subjects of this study were 103 patients with clinically and radiographically-confirmed knee osteoarthritis was investigated using the quadriceps angle (QA), distance of both knee (DBK), ankle dorsiflexion angle (ADA), navicular drop (ND). One-way ANOVA and Pearson's correlation were used to investigate the correlation between foot and knee posture measurements. All of whom agreed to participate in the study. In order to assure the statistical significance of the results, we used for SPSS ver. 18.0 for windows. RESULTS: The results of this study were as follows : 1) There were statistically significant difference in the correlation between QA and DBK. 2) There were statistically significant difference in the correlation between DBK and ADA. CONCLUSION: According the results of this study, patients with osteoarthritis exhibit more genu varus knee posture. Moreover patients with osteoarthritis were not correlation between foot and knee Posture characteristics.

• Korean Journal of Applied Biomechanics
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• v.28 no.3
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• pp.193-197
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• 2018

Objective: The relationship between the rest intervals during physical tasks and performance enhancement has been studied. However, whether or not different rest intervals would result in altered multiplanar ankle kinematics during performance of the Star Excursion Balance Test (SEBT) is unknown. Method: Fifteen healthy subjects (7 males and 8 females) without a history of ankle injuries were participated in this study. 3 rest intervals of 10, 20, and 40 seconds were used during the current study. Three visits were required in order to complete the 3 rest intervals. Variables of interest included dorsiflexion (DF) excursion, tibial internal rotation (TIR), and eversion (EV) excursions. The means of ankle angular excursions were compared across the 3 directions in the 3 rest interval groups. Results: There were no significant main effects for any variables between restintervals. However, DF excursion in the anteromedial (AM) direction was greaterthan in both the medial (M) and posteromedial (PM) directions and was greater in the M direction compared to the PM direction. TIR excursion in the AM direction was less than in both the M and PM directions. Conclusion: Different rest intervals ranging from 10 to 40 seconds did not influence ankle angular excursions during the SEBT in a healthy population. However, our results suggest that multiplanar motion is necessary during the SEBT and differs depending on the direction of movement.

• International journal of advanced smart convergence
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• v.9 no.2
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• pp.49-57
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• 2020

We have not identified on what gender difference during gait at a pace of one's preferred velocity effects on the function of bilateral lower limb. This study was undertaken to investigate a difference of gait strategy by gender during gait at a one's preferred velocity of participants of adult male and female (n=20). Cinematographic data for motion analysis, ground reaction force (GRF) variables, and muscle volume of lower limb were analyzed. Significant difference of variables on movement of center of mass whole body, joint angle and moment of lower limb, and ground reaction force were tested by 2-way ANOVA analysis (P<0.05). Male group showed more muscle volume than female, and both showed more volume in dominant leg than non-dominant. Main effect by bilateral leg during gait showed higher difference in right than left leg in change of vertical position of center of mass (maximal, minimal). Main effect by gender in vertical change of position and velocity of center of mass showed higher difference in male than female (maximal, minimal). Hip joint showed more flexed and extended angle in male than female, and also dorsiflexion of ankle and flexion moment of knee and hip joint showed higher in male than female group. Therefore, this result was assumed that dominant showed furthermore more contribution for propulsive function than non-dominant leg. Gender difference showed in strategy controlling of biomechanical characteristics, and perhaps influenced by muscle volume.

• Journal of the Korean Arthroscopy Society
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• v.11 no.1
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• pp.59-62
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• 2007

Freiberg disease is a relatively rare osteochondrosis of metatarsal head, which usually involves the 2nd metatarsal of adolescent females. Various open surgical treatments have been recommended; arthrotomy and removal of loose body, dorsiflexion osteotomy and resection of the metatarsal head. Arthroscopic treatment for Freiberg disease has a merit of shortening the recovery period and reducing the postoperative stiffness. We report a case of early stage Freiberg disease treated with metatarsophalangeal arthroscopic excision of loose body and debridement of the 2nd metatarsophalangeal joint.