• Title/Summary/Keyword: High heels

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The effects of calf cramp muscle shortening followed by shoe heel height on fatigue (신발 굽 높이에 따른 Calf cramp muscle의 단축이 피로도에 미치는 영향)

  • Hur, Young Go
    • Journal of Korean Physical Therapy Science
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    • v.20 no.1
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    • pp.17-25
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    • 2013
  • The purpose of this research is to provide right information about deformation and to relieve fatigue of high-heels lovers. The research data includes 15 tests and survey on 71 female students. The result follows 1. Age of surveys is mostly 22, consisting 43.7% of all. The most frequently worn shoe kind is high heels that 45.1% of surveys wear 2. Female students those are 155~160cm high wear high heels most frequently, 40.8%. 3. The fatigue condition classified by hours of wearing: Surveys wearing high heels over 7 hours and 5~7 hours state starting to feel fatigue by 40.8%, 38.0% each, and the result was stastically significant 4. The appearance of pain on calf classified by hours of wearing: 35.2% of surveys answered they start to feel pain when worn high heels over 7 hours, and 33.8% of students answered 5~7 hours 5. The fatigue condition classified by kinds of shoes worn: 45.0% of the surveys felt tired when wearing high heels, 40.8% answered wearing heel inserted running shoes, and 14.0% for flat shoes. 6. The fatigue condition classified by heel height: 69.0% of survey answered they feel fatigue after wearing shoes with 5~9cm high heels, 21.1% answered under 3cm high heels, and 9.9% answered over 10cm heels(p<0.05) 7. The experience of cramp in calf cramp muscle classified by heel height: 69.0% of surveys experienced cramp when wearing 5~9cm high heels, 21.1% answered under 3cm high heels, 9.9% for over 10cm heels.

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The Effects of Different Types of High Heels and Walking Velocity on Muscle Activation of the Paraspinal Muscles

  • Lee, Joong-Sook;Han, Dong-Wook
    • Journal of the Korean Society of Physical Medicine
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    • v.9 no.3
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    • pp.271-278
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    • 2014
  • PURPOSE: This study researched the effects of different types of high heels on the muscles surrounding the cervical spine, the thoracic spine, and the lumbar spine by analyzing muscle activation of the paraspinal muscles during walking while wearing high heels. The high heels were all of the same height: 8cm. METHODS: The 28 subjects in this experiment were females in their 20s with a foot size of 225-230mm. To measure the muscle activation of the paraspinal muscles, EMG electrodes were attached on the paraspinal muscles around C6, T7, and L5. The muscle activation during walking while wearing 8cm high wedge heels, setback heels, and french heels was measured. The measurements were performed 3 times each and the mean value of the result was used for analysis. Two kinds of velocity were used in this study. One of the velocity was 2.5 m/s. The other was 3.5 m/s. RESULTS: The muscle activation of paraspinal muscles increased significantly according to increase of walking velocity. But there was no significant difference according to the heel types. CONCLUSION: In view of the results, the height of heels and the velocity of walking are more convincing variables than the width of the heels on the muscle activation of paraspinal muscles. So wearing high heels is not recommended for those who have pain or functional problem of cervical and lumbar vertebrae.

Evaluation of Foot Pressures and Subjective Discomfort Ratings associated with Sneakers, High Heels, and Kill Heels (운동화, 하이힐, 그리고 킬힐에 따른 족압과 주관적 불편도 평가)

  • Song, Jae-Woong;Kim, Sung-Ja;Lee, Ga-Hee;Song, Ki-Burm;Kong, Yong-Ku
    • Journal of the Ergonomics Society of Korea
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    • v.28 no.3
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    • pp.95-102
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    • 2009
  • Ten young females were participated in this study to investigate the effects of types of shoes (sneakers, high heels, kill heels), types of tasks (standing, walking floor, step up and down), and areas of foot (fore foot, middle foot, rear foot) on foot pressures as well as subjective discomfort ratings. Results showed that kill heels had the most discomfort shoes, followed by high heels and sneakers. Generally, as the heel was higher, the discomfort of foot increased. For the analyses of task types, generally discomfort ratings were highest for the step down and up, followed by walking floor and standing. Especially discomfort ratings of high heels and kill heels were more evident in case of step up and step down than standing and walking floor. Standing task was rated as the lowest levels of discomfort on users' foot. Peak and mean foot pressures were also evaluated in this study. The findings represented that there was no significant differences between types of shoes in both peak and mean foot pressures. The peak pressure (82.14kPa) and mean pressure (40.32kPa) for standing task were significantly lower than those of other tasks [walking floor (190.55kPa, 55.46kPa), step up (191.43kPa, 53.80kPa), and step down (200.66kPa, 52.62kPa)]. Generally discomfort ratings and peak/mean pressures associated with foot showed that fore foot had higher discomfort ratings as well as peak and mean pressures than middle and rear foots. In particularly, this trend was more obvious in case of high heels and kill heels. For the high heels and kill heels, the peak pressures of fore foot were 4.5~4.8 times and 2.3~2.5 times greater than that of middle foot and rear foot, respectively, whereas the peak pressures of fore foot were 2.9 times and 1.7 times greater than that of middle and rear foots, respectively, in case of sneakers.

The Relationship among Stride Parameters, Joint Angles, and Trajectories of the Body Parts during High-Heeled Walking of Woman

  • Park, Sumin;Lee, Minho;Park, Jaeheung
    • Journal of the Ergonomics Society of Korea
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    • v.32 no.3
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    • pp.245-252
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    • 2013
  • Objective: This paper analyzes the changes on stride parameters, joint angles, and trajectories of the body parts due to high heels during walking and explains the causal relationship between the changes and high heels. Background: This study aims to indicate the comprehensive gait changes by high heels on the whole body for women wearing high heels and researchers interested in high-heeled walking. Method: The experiment was designed in which two different shoe heel heights were used for walking (1cm, 9.8cm), and twelve women participated in the test. In the experiment, 35 points on the body were tracked to extract the stride parameters, joint angles, and trajectories of the body parts. Results: Double support time increased, but stride length decreased in high-heeled walking. The knee inflexed more at stance phase and the spine rotation became more severe. The trajectories of the pelvis, the trunk and the head presented outstanding fluctuations in the vertical direction. Conclusion: The double support time and the spine rotation were changed to compensate instability by high heels. Reduced range of motion of the ankle joint influenced on the stride length, the knee flexion, and fluctuations of the body parts. Application: This study can provide an insight of the gait changes by high heels through the entire body.

Comparison of pain, fatigue, and Achilles tendon in female college students wearing high heels and flat shoes: A Preliminary Study (여대생의 하이힐 착용에 따른 하지 통증, 피로, 아킬레스건의 융복합 비교: 예비연구)

  • Park, Young-Joon;Kim, Namsuk
    • Journal of Digital Convergence
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    • v.17 no.8
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    • pp.329-336
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    • 2019
  • The purpose of this study is to analyze the differences of the lower back pain, fatigue, and Achilles tendon thickness according to wearing and not wearing high heels in order to understand symptoms of musculoskeletal diseases caused by wearing high heels in college students. lower extremity pain fatigue and achilles tendon thickness were measured in high heel wear group (n=19) and non high heels wear group (n=23). Participants' general characteristics and the lower extremity pain, fatigue, and Achilles tendon thickness were analyzed using mean, standard deviation. Differences in lower extremity pain, fatigue, and achilles tendon thickness were analyzed by independent t-test. The results showed that the difference between the participants' lower extremity pain (t=2.28, p=.028), right achilles tendon thickness (t=2.30, p=.027) and left achilles tendon thickness (t= 3.89, p<.001) The results of this study show that convergence approach can be applied as a basis for health problems in the structure and function of musculoskeletal disorders associated with wearing high heels. In the future, follow up observation according to the wearing of high heels in the same subject will be needed.

A Study on Changes in Lower Limb Joint Angles during Stair Walking with High Heel

  • Park, Ji-Won;Kim, Yun-Jin
    • The Journal of Korean Physical Therapy
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    • v.25 no.6
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    • pp.379-385
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    • 2013
  • Purpose: The purpose of this study is to compare kinematics on lower limbs between stair walking with high heel and barefoot in healthy adult women. Methods: 18 healthy adult women were recruited in this study. The subjects performed stair ascent and descent with high heels and barefoot. The experiment was conducted in random order and repeated three times for each stair walking with high heels and barefoot. The movements of lower limb joints were measured and analyzed using a three-dimensional analysis system. Results: The ankle, knee, and hip flexion angles on the sagittal plane exhibited statistically significant differences between stair ascent and descent with high heels and barefoot. The pelvic forward tilt angles showed statistically significant differences only during stair ascent. The ankle inversion, hip abduction and pelvic lateral tilt angles on the frontal plane showed statistically significant differences between stair walking with high heels and barefoot. On the transverse plane, the hip rotation angles showed statistically significant differences between the high-heeled and barefoot gait during stair ascent and descent. However, the pelvic rotation angles showed no statistically significant differences. Conclusion: Therefore, wearing high-heeled shoes during stair walking in daily life is considered to influence lower limb kinematics due to the high heel, and thus poses the risks of pain, and low stability and joint damage caused by changes in the movement of lower limb joints.

Relationship between height of heels and quantitative EMG of lower leg, thigh and paralumbarvertebral muscles in young women (젊은여성의 구두굽의 높이와 하퇴근, 대퇴근 및 요추주위근 근전도와의 관계)

  • 최명애;김진호;이은용
    • Journal of Korean Academy of Nursing
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    • v.18 no.1
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    • pp.34-43
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    • 1988
  • The present study has been undertaken to assess the electrical activity of right tibialis anterior, right gastrocnemius, right rectus femoris, right biceps femoris and right paralumbarvertebral muscles quantitatively by EMC while standing erect on the height of 0cm, 3cm, 5cm and 7cm heels. The inclinations of the heels were 0, 6, 11, 17 degrees, respectively. Foully young women ranging from 18 to 24 of age were examined. Electrical activity of various muscles while standing erect on the height of various heels were compared with that of 0cm heel. The results obtained were as follows : 1. Electrical activity of the tibialis anterior increased significantly as the height of heels became higher ; which was thought to be due to the effort to counteract the instability standing with high heels. 2. There was a significant increase in electrical activity of the gastrocnemius as the height of heels increased. It might be due to compensatory activity against shifting of the center of gravity forward. 3. There was a significant increase .in electrical activity of the rectus femoris and biceps femoris at the height of 3cm, 5cm and 7cm heels ; which seemed to be due to the effort to stabilize the knee joint. 4. Electrical activity of the paralumbarvertebral muscles increased significantly at the height of 5cm and 7cm heels ; which was considered to be due to the effort to prevent forward imbalance. From These results, it may be concluded that electrical activities of various postural muscles increase significantly while standing erect on the height of 3cm, 5cm and 7cm heels to counteract an instability of their posture and compensate the forward shifting tendency of the center of gravity.

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Acute Changes in Fascicle Behavior and Electromyographic Activity of the Medial Gastrocnemius during Walking in High Heeled Shoes

  • Kim, Jin-Sun;Lee, Hae-Dong
    • Korean Journal of Applied Biomechanics
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    • v.26 no.1
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    • pp.135-142
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    • 2016
  • Objective: The purpose of this study was to investigate the acute effect of walking on high heels on the behavior of fascicle length and activation of the lower limb muscles. Methods: Twelve healthy inexperienced high heel wearers (age: $23.1{\pm}2.0yr$, height: $162.4{\pm}4.9cm$, weight: $54.4{\pm}8.5kg$) participated in this study. They walked in high heels (7 cm) and barefoot on a treadmill at their preferred speed. During the gait analysis, the lower limb joint kinematics were obtained using a motion analysis system. In addition, the changes in fascicle length and the level of activation of the medial gastrocnemius (MG) were simultaneously monitored using a real-time ultrasound imaging technique and surface electromyography, respectively. Results: The results of this study show that the MG fascicle operates at a significantly shorter length in high heel walking ($37.64{\pm}8.59mm$ to $43.99{\pm}8.66mm$) in comparison with barefoot walking ($48.26{\pm}9.02mm$ to $53.99{\pm}8.54mm$) (p < .05). In addition, the MG fascicle underwent lengthening during high heel walking with relatively low muscle activation while it remained isometric during barefoot walking with relatively high muscle activation. Conclusion: Wearing high heels alters the operating range of the MG fascicle length and the pattern of muscle activation, suggesting that prolonged wearing of high heels might induce structural alterations of the MG that, in turn, hinder normal functioning of the MG muscle during walking.

An Analysis of the Correlation between High Heels and Pain in the Low Back, Knee, Ankle and Toe, Length of Legs, and Plantar Pressure among Women in Their Twenties. (하이힐을 자주 착용하는 20대 여성의 허리, 무릎, 발목 및 발가락 통증, 다리 길이 그리고 족저압과의 상관분석)

  • Lee, Min-woo;Jeong, Yeon-woo
    • The Journal of Korean Academy of Orthopedic Manual Physical Therapy
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    • v.26 no.2
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    • pp.11-18
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    • 2020
  • Background: The purpose of this study is to examine the correlation between high heels and body imbalance among female college students in their twenties who mainly wear high heels and prevent associated problems. Methods: The subjects included 89 female college students in their twenties. They were measured in plantar pressure with a gait analyzer. Their legs were measured in length with a tape measure. Their pain intensity and pain frequency were measured in visual analog scale and in pain rating score. Results: There were statistically positive correlations between right leg length and low back pain frequency (p<.05) and negative correlations between the left hindfoot and low back pain frequency (p<.05). There were statistically positive correlations between right leg length and knee pain frequency (p<.05) and positive correlations between the ankle pain intensity and right leg length (p<.05). Conclusion: The stronger the pain was in the ankle, the stronger and more frequent their lumber pain was. When the pressure of the left heel was lower, the frequency of lumbar pain increased.

Effect of High heel on Lumbar and sacral curve (하이힐이 요부 및 천골경사각에 미치는 영향)

  • Lee, Tae-Sik;Song, Min-Young;Kim, Mi-So
    • Journal of Korean Physical Therapy Science
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    • v.18 no.4
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    • pp.73-79
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    • 2011
  • Purpose : This study is to know how position change in high-heels affects sacral tilt angle. 15 healthy women aged 21.87(standard deviation=3.54) were tested. Method : Lumbar and sacral tilt angle was measured by radiography barefooted, and after 15 mins of application time, they were measured in the same way in high-heels. Result : There was not notable difference in lumbar lordosis, lumbosacral angle, and sacral tilt angle. However, there was differences in change degree, which was measured by estimation data of [post-pre)/pre]${\times}$100. Conclusion : There was no notable difference in lumbar lordosis, lumbosacral angle, and sacral tilt angle, but as there were differences in change degree, research about how women's lumbar change when heel height increases is needed.

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