Ignite Creation Date:
2024-06-16 @ 11:47 AM
Last Modification Date:
2024-10-26 @ 3:30 PM
Study NCT ID:
NCT06420869
Status:
ENROLLING_BY_INVITATION
Last Update Posted:
2024-05-20
First Post:
2024-05-15
Brief Title:
Investigation of the Effect of Thoracic Kyphosis Proprioception
Sponsor:
Istanbul Medipol University Hospital
Organization:
Istanbul Medipol University Hospital
Study Overview
Official Title:
Investigation of the Effect of Thoracic Kyphosis on Posture Proprioception and Perception of Postural Appearance in Young Individuals
Status:
ENROLLING_BY_INVITATION
Status Verified Date:
2024-05
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
Although the negative effect of increased thoracic kyphosis in elderly individuals has been reported in the literature the effect of the thoracic kyphosis angle on trunk and foot proprioception in young individuals has not been investigated The aim of this study was to investigate the effect of the thoracic kyphosis on posture proprioception and perception of postural appearance in young individuals
Detailed Description:
The term kyphosis is defined as an increase in the anterior curvature of the spine in the sagittal plane Along with cosmetic deformity individuals may experience pain with movement increased forward head posture unequal shoulder levels and fatigue Kyphosis occurs when people with insufficient general muscle strength are in an upright position and high external stress is applied to the spine Kyphosis is frequently seen in young people and children due to the demands of their school programmes and prolonged and non-ergonomic sitting positions The prevalence of thoracic kyphosis has been reported to be 153 in children aged 11 years 35 in individuals aged 20-64 years and 38 in individuals aged 20-50 years
The ability to perceive body positions in space without visual inputs is determined by the proprioceptive sense Proprioceptive data from muscles ligaments and joints contribute to the awareness of the relative orientation of the functional units of the spine at rest and in motion enabling the control of posture and balance Since proprioception is fundamental for movement posture and balance joint position sensory information from the trunk is essential for the production of synchronised muscle contractions during spinal movements Therefore a decrease in proprioception information may lead to an increase in the degree of kyphosis In the literature a negative relationship between joint position sense and the angle of kyphosis of the thoracic region has been reported in elderly individuals with thoracic kyphosis It has been suggested that alignment problems of the spine may be related to the lack of position sense
Over time young people may become accustomed to inappropriate postures and poor postural awareness Changes in posture can lead to differences in the sense of touch These differences consist of posture-related changes in the structural properties of the skin When dorsal skin tension increases with spinal flexion the tactile sensitivity threshold the longitudinal spatial acuity threshold and the transversal stretch sensitivity threshold increase In addition the dorsal skin decreased the sensitivity threshold to longitudinal stretch stimuli again due to spinal flexion-induced skin tension This suggests that sensitivity to skin stretching in a direction parallel to the spine increases as individuals move from a normal position to flexion Changes in the flexion and extension positions of the spine produce large changes in skin stiffness tension and thickness
Changes in posture affect the load distribution of the foot function A shift in the body axis away from the midline causes asymmetric loading of the extremities and affects the disproportion of the postural muscles thus shifting the centre of gravity Changes in the position of the trunk with deviations in the centre of gravity cause changes in the plantar load distribution with the hip and ankle Pressure in the plantar region stimulates receptors in that region Sensory feedback from the plantar region is important for perceiving changes in postural position and controlling postural oscillations Feedback from cutaneous mechanoreceptors contributes functionally to proprioception of postural position and support status However there is a relationship between the magnitude of the kyphosis angle and the distribution of lower extremity ground reaction forces In this context the distribution of plantar pressure affects the sensory sensitivity of the sole of the foot
In the forward head posture the flexion moment of the spine is increased by maintaining the weight of the head in front of the gravity line There is a functional and mechanical correlation between kyphosis and a forward-head posture This position of the head can lead to further postural deviations in the body such as rounded shoulders and increased thoracic kyphosis in order to compensate for the deviated gravity line This leads to a vicious circle of further deformity The angle of the shoulder and the craniovertebral angle are negatively correlated with the forward head position and positively correlated with the sagittal head angle
Although the negative effect of increased thoracic kyphosis in elderly individuals has been reported in the literature the effect of the thoracic kyphosis angle on trunk and foot proprioception in young individuals has not been investigated The aim of this study was to investigate the effect of the thoracic kyphosis on posture proprioception and perception of postural appearance in young individuals
The ability to perceive body positions in space without visual inputs is determined by the proprioceptive sense Proprioceptive data from muscles ligaments and joints contribute to the awareness of the relative orientation of the functional units of the spine at rest and in motion enabling the control of posture and balance Since proprioception is fundamental for movement posture and balance joint position sensory information from the trunk is essential for the production of synchronised muscle contractions during spinal movements Therefore a decrease in proprioception information may lead to an increase in the degree of kyphosis In the literature a negative relationship between joint position sense and the angle of kyphosis of the thoracic region has been reported in elderly individuals with thoracic kyphosis It has been suggested that alignment problems of the spine may be related to the lack of position sense
Over time young people may become accustomed to inappropriate postures and poor postural awareness Changes in posture can lead to differences in the sense of touch These differences consist of posture-related changes in the structural properties of the skin When dorsal skin tension increases with spinal flexion the tactile sensitivity threshold the longitudinal spatial acuity threshold and the transversal stretch sensitivity threshold increase In addition the dorsal skin decreased the sensitivity threshold to longitudinal stretch stimuli again due to spinal flexion-induced skin tension This suggests that sensitivity to skin stretching in a direction parallel to the spine increases as individuals move from a normal position to flexion Changes in the flexion and extension positions of the spine produce large changes in skin stiffness tension and thickness
Changes in posture affect the load distribution of the foot function A shift in the body axis away from the midline causes asymmetric loading of the extremities and affects the disproportion of the postural muscles thus shifting the centre of gravity Changes in the position of the trunk with deviations in the centre of gravity cause changes in the plantar load distribution with the hip and ankle Pressure in the plantar region stimulates receptors in that region Sensory feedback from the plantar region is important for perceiving changes in postural position and controlling postural oscillations Feedback from cutaneous mechanoreceptors contributes functionally to proprioception of postural position and support status However there is a relationship between the magnitude of the kyphosis angle and the distribution of lower extremity ground reaction forces In this context the distribution of plantar pressure affects the sensory sensitivity of the sole of the foot
In the forward head posture the flexion moment of the spine is increased by maintaining the weight of the head in front of the gravity line There is a functional and mechanical correlation between kyphosis and a forward-head posture This position of the head can lead to further postural deviations in the body such as rounded shoulders and increased thoracic kyphosis in order to compensate for the deviated gravity line This leads to a vicious circle of further deformity The angle of the shoulder and the craniovertebral angle are negatively correlated with the forward head position and positively correlated with the sagittal head angle
Although the negative effect of increased thoracic kyphosis in elderly individuals has been reported in the literature the effect of the thoracic kyphosis angle on trunk and foot proprioception in young individuals has not been investigated The aim of this study was to investigate the effect of the thoracic kyphosis on posture proprioception and perception of postural appearance in young individuals
Study Oversight
Has Oversight DMC:
None
Is a FDA Regulated Drug?:
False
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?:
None