The Effect of Insole Height on Lumbosacral Angle and Body Function in Male University Students

Lee, Young Sin; Yu, Seong Hun; Kim, Seong Su

doi:10.5143/jesk.2015.34.4.303

Cited by 5 publications

(5 citation statements)

References 16 publications

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“…Previous studies have investigated bodily changes occurring while wearing high-heeled shoes, but there are insufficient studies on body adaptation and biomechanical changes that may appear among those who wear high-heeled shoes for an extended period of time [8]. Wearers of lowheeled shoes showed differences such as lowered muscle activation of the rectus femoris and enhanced activation of the biceps femoris while standing in high-heeled shoes [13].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Differences in the Degree of Biomechanical Adaptation according to Habituation to Different Heel Heights

Cha

2020

The Scientific World Journal

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This study aims to comprehensively investigate whether there are any differences in the degree of biomechanical adaptation according to habituation to different heel heights. The biomechanical characteristics of 54 subjects in 3 groups habituated to three heel heights (low, medium-high, and high heels) were evaluated by the measurement of surface EMG, myotonometer (e.g., measurement of muscle tension), foot pressure, and lumbosacral angle, and comparative analysis was carried out to find out whether they showed differences in the comfort visual analog scale (comfort VAS). Wearers of high-heeled shoes (6 cm or more in heel height), in foot pressure comparison, showed significantly high peak pressure in the mask of the hallux, high maximum peak EMG in the gastrocnemius medius (GM), and a high percentage of maximum voluntary isometric contraction (%MVIC) in the plantar flexor. Wearers of low-heeled shoes (3 cm and below in heel height) showed the highest plantar peak pressure in the lateral forefoot and midfoot, the highest contact area in midfoot, the highest %MVIC in the plantar flexion and dorsiflexion of the tibialis anterior (TA), and the highest stiffness in the TA, and they showed the lowest static balance ability with eyes open (EO) among the three groups. It was found that there were significant differences between those habituated to high-heeled shoes and those not habituated to high-heeled shoes and that longtime wearing of high-heeled shoes brings about biomechanical adaptive changes in the human body.

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Section: Introductionmentioning

confidence: 99%

Analysis of Differences in the Degree of Biomechanical Adaptation according to Habituation to Different Heel Heights

Cha

2020

The Scientific World Journal

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“…The results indicated that pelvic ROM increased when wearing the RHI longer. Lee [13] reported that pelvic ROM increased with longer use of the RHI (4 cm thick), suggesting the increase of the forward bending of the waist. The results agreed with a previous study suggesting that wearing RHI would adversely affect the spine.…”

Section: Discussionmentioning

confidence: 99%

“…Lee et al [13] showed that wearing 4cm-thick insoles increased pelvic ROM. The results indicated an increase in the forward bending of the lumbar spine and they concluded that wearing tall insole negatively affected the spine.…”

mentioning

confidence: 99%

Effects of Wearing Raised Heel Insoles (RHI) for a Long Term on Physical Functions: Focused on an Adult Male in Their Twenties

Cha¹

2020

Preprint

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Background: The objective of this study was to evaluate the effects of the long-term wear of raised heel insoles (RHI) on the changes in overall body functions and mechanical adaption.Methods: This study measured pelvic range of motion (ROM), balance, sensory, ankle joint ROM, lower back pain (LBP), muscle tone, and the muscle stiffness and decrement of male subjects in their 20s. The subjects wore RHI (5cm) for 8 hours per day for 8 weeks (60 days) and measurements were conducted three times (0th, 30th, and 60th days from the experiment start date).Results: Pelvic ROM increased and static balance decreased when the duration of wearing the RHI increased. Moreover, when the duration of wearing the RHI increased, the sensory function of two-point discrimination (2PD) decreased, the state of tension of the medial gastrocnemius (MG) increased, and the dynamic stiffness worsened. Conclusions: This study provides baseline data for presenting guidelines for preventing the musculoskeletal deformity and degeneration of the body by revealing changes in overall physical functions due to the extended wearing of RHI.

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“…They were inserted into the subjects' shoes. The raised-height insoles, which could absorb shock owing to the air cushion, were 5 cm high based on previous studies [1,5,16,17]. When the RHIs were inserted into the subjects' shoes, the ankles were exposed above the shoes.…”

Section: Methodsmentioning

confidence: 99%

Effects of wearing raised-heel insoles for 60 days on physical functions: focusing on adult males in their twenties

2021

JOMH

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Background and Objectives: As men frequently use raised-heel insoles (RHIs) for a cosmetic purpose rather than a functional purpose in daily life, they are exposed to the risk of musculoskeletal disorders. The objective of this study was to evaluate the effects of wearing RHIs for 60 days on overall body functions and mechanical adaption. Materials and Methods: This study measured pelvic range of motion (ROM), balance, two-point discrimination (2PD), ankle joint ROM, lower back pain (LBP), muscle tone, stiffness, and decrement in male subjects in their 20s. Subjects wore RHIs (5 cm) for 8 h per day for 8 weeks (60 days). Measurements were conducted at 0, 30, and 60 days after the experiment began. Repeated-measures one-way analysis of variance (ANOVA) was performed to examine the effects of wearing duration (0, 30, and 60 days) on variables followed by a post-hoc test (Dunnett T3) when there was a signiﬁcant difference. Results: Pelvic ROM decreased (p < 0.01), whereas static balance and 2PD increased (p < 0.001, p < 0.01, respectively) when the duration of wearing RHIs increased. The pelvic ROM on day 0 was signiﬁcantly different from that on day 60 (p = 0.01). Static balance showed signiﬁcant differences between day 0 and day 60 or day 30 (p = 0.000, p = 0.000, respectively). Dynamic balance, ankle joint ROM, and LBP did not differ signiﬁcantly. The muscle tone of the plantar ﬂexors (medial gastrocnemius) increased (p < 0.05), whereas decrement decreased (p < 0.05). Conclusions: It was found that wearing RHIs for a long time would adversely affect the human body. Wearing RHIs for a long time decreased pelvic ROM, whereas static balance and 2PD increased. It might have affected the overall body functions by increasing the muscle tone of the plantar ﬂexors and worsening dynamic stiffness at the same time. The clinical signiﬁcance lies in the fact that wearing RHIs for long durations would adversely affect the human body.

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The Effect of Insole Height on Lumbosacral Angle and Body Function in Male University Students

Cited by 5 publications

References 16 publications

Analysis of Differences in the Degree of Biomechanical Adaptation according to Habituation to Different Heel Heights

Analysis of Differences in the Degree of Biomechanical Adaptation according to Habituation to Different Heel Heights

Effects of Wearing Raised Heel Insoles (RHI) for a Long Term on Physical Functions: Focused on an Adult Male in Their Twenties

Effects of wearing raised-heel insoles for 60 days on physical functions: focusing on adult males in their twenties

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