Publication date: Available online 19 March 2016
Source:Gait & Posture
Author(s): Stephen J. Preece, Duncan Mason, Christopher Bramah
Elite endurance runners are characterised by their performance ability and higher running economy. However, there is relatively little research aimed at identifying the biomechanical characteristics of this group. This study aimed to understand how motions of the pelvis, lumbar spine and thorax change with speed in a cohort of elite endurance runners (n=14) and a cohort of recreational runners (n=14). Kinematic data were collected during over ground running at four speeds ranging from 3.3 to 5.6ms−1 and a linear mixed model used to understand the effect of speed on both range of motion and mean sagittal inclination. The results showed the two groups to exhibit similar changes in range of motion as speed was increased, with the most pronounced increases being observed in the transverse plane. However, the adaptation of thorax inclination with speed differed between the two groups. Whereas the recreational runners increased thorax inclination as running speed was increased, elite endurance runners consistently maintained a more upright thorax position. This is the first study to identify specific differences in upper body motions between recreational and elite runners and the findings may have implications for training protocols aimed at improving running performance.
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Σάββατο 19 Μαρτίου 2016
Altered joint moment strategy during stair walking in diabetes patients with and without peripheral neuropathy
Publication date: Available online 19 March 2016
Source:Gait & Posture
Author(s): Steven J. Brown, Joseph C. Handsaker, Constantinos N. Maganaris, Frank L. Bowling, Andrew J.M. Boulton, Neil D. Reeves
AimTo investigate lower limb biomechanical strategy during stair walking in patients with diabetes and patients with diabetic peripheral neuropathy, a population known to exhibit lower limb muscular weakness.MethodsThe peak lower limb joint moments of twenty-two patients with diabetic peripheral neuropathy and thirty-nine patients with diabetes and no neuropathy were compared during ascent and descent of a staircase to thirty-two healthy controls. Fifty-nine of the ninety-four participants also performed assessment of their maximum isokinetic ankle and knee joint moment (muscle strength) to assess the level of peak joint moments during the stair task relative to their maximal joint moment-generating capabilities (operating strengths).ResultsBoth patient groups ascended and descended stairs slower than controls (p<0.05). Peak joint moments in patients with diabetic peripheral neuropathy were lower (p<0.05) at the ankle and knee during stair ascent, and knee only during stair descent compared to controls. Ankle and knee muscle strength values were lower (p<0.05) in patients with diabetic peripheral neuropathy compared to controls, and lower at knee only in patients without neuropathy. Operating strengths were higher (p<0.05) at the ankle and knee in patients with neuropathy during stair descent compared to the controls, but not during stair ascent.ConclusionPatients with diabetic peripheral neuropathy walk slower to alter gait strategy during stair walking and account for lower-limb muscular weakness, but still exhibit heightened operating strengths during stair descent, which may impact upon fatigue and the ability to recover a safe stance following postural instability.
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Source:Gait & Posture
Author(s): Steven J. Brown, Joseph C. Handsaker, Constantinos N. Maganaris, Frank L. Bowling, Andrew J.M. Boulton, Neil D. Reeves
AimTo investigate lower limb biomechanical strategy during stair walking in patients with diabetes and patients with diabetic peripheral neuropathy, a population known to exhibit lower limb muscular weakness.MethodsThe peak lower limb joint moments of twenty-two patients with diabetic peripheral neuropathy and thirty-nine patients with diabetes and no neuropathy were compared during ascent and descent of a staircase to thirty-two healthy controls. Fifty-nine of the ninety-four participants also performed assessment of their maximum isokinetic ankle and knee joint moment (muscle strength) to assess the level of peak joint moments during the stair task relative to their maximal joint moment-generating capabilities (operating strengths).ResultsBoth patient groups ascended and descended stairs slower than controls (p<0.05). Peak joint moments in patients with diabetic peripheral neuropathy were lower (p<0.05) at the ankle and knee during stair ascent, and knee only during stair descent compared to controls. Ankle and knee muscle strength values were lower (p<0.05) in patients with diabetic peripheral neuropathy compared to controls, and lower at knee only in patients without neuropathy. Operating strengths were higher (p<0.05) at the ankle and knee in patients with neuropathy during stair descent compared to the controls, but not during stair ascent.ConclusionPatients with diabetic peripheral neuropathy walk slower to alter gait strategy during stair walking and account for lower-limb muscular weakness, but still exhibit heightened operating strengths during stair descent, which may impact upon fatigue and the ability to recover a safe stance following postural instability.
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How do elite endurance runners alter movements of the spine and pelvis as running speed increases?
Publication date: Available online 19 March 2016
Source:Gait & Posture
Author(s): Stephen J. Preece, Duncan Mason, Christopher Bramah
Elite endurance runners are characterised by their performance ability and higher running economy. However, there is relatively little research aimed at identifying the biomechanical characteristics of this group. This study aimed to understand how motions of the pelvis, lumbar spine and thorax change with speed in a cohort of elite endurance runners (n=14) and a cohort of recreational runners (n=14). Kinematic data were collected during over ground running at four speeds ranging from 3.3 to 5.6ms−1 and a linear mixed model used to understand the effect of speed on both range of motion and mean sagittal inclination. The results showed the two groups to exhibit similar changes in range of motion as speed was increased, with the most pronounced increases being observed in the transverse plane. However, the adaptation of thorax inclination with speed differed between the two groups. Whereas the recreational runners increased thorax inclination as running speed was increased, elite endurance runners consistently maintained a more upright thorax position. This is the first study to identify specific differences in upper body motions between recreational and elite runners and the findings may have implications for training protocols aimed at improving running performance.
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Source:Gait & Posture
Author(s): Stephen J. Preece, Duncan Mason, Christopher Bramah
Elite endurance runners are characterised by their performance ability and higher running economy. However, there is relatively little research aimed at identifying the biomechanical characteristics of this group. This study aimed to understand how motions of the pelvis, lumbar spine and thorax change with speed in a cohort of elite endurance runners (n=14) and a cohort of recreational runners (n=14). Kinematic data were collected during over ground running at four speeds ranging from 3.3 to 5.6ms−1 and a linear mixed model used to understand the effect of speed on both range of motion and mean sagittal inclination. The results showed the two groups to exhibit similar changes in range of motion as speed was increased, with the most pronounced increases being observed in the transverse plane. However, the adaptation of thorax inclination with speed differed between the two groups. Whereas the recreational runners increased thorax inclination as running speed was increased, elite endurance runners consistently maintained a more upright thorax position. This is the first study to identify specific differences in upper body motions between recreational and elite runners and the findings may have implications for training protocols aimed at improving running performance.
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Altered joint moment strategy during stair walking in diabetes patients with and without peripheral neuropathy
Publication date: Available online 19 March 2016
Source:Gait & Posture
Author(s): Steven J. Brown, Joseph C. Handsaker, Constantinos N. Maganaris, Frank L. Bowling, Andrew J.M. Boulton, Neil D. Reeves
AimTo investigate lower limb biomechanical strategy during stair walking in patients with diabetes and patients with diabetic peripheral neuropathy, a population known to exhibit lower limb muscular weakness.MethodsThe peak lower limb joint moments of twenty-two patients with diabetic peripheral neuropathy and thirty-nine patients with diabetes and no neuropathy were compared during ascent and descent of a staircase to thirty-two healthy controls. Fifty-nine of the ninety-four participants also performed assessment of their maximum isokinetic ankle and knee joint moment (muscle strength) to assess the level of peak joint moments during the stair task relative to their maximal joint moment-generating capabilities (operating strengths).ResultsBoth patient groups ascended and descended stairs slower than controls (p<0.05). Peak joint moments in patients with diabetic peripheral neuropathy were lower (p<0.05) at the ankle and knee during stair ascent, and knee only during stair descent compared to controls. Ankle and knee muscle strength values were lower (p<0.05) in patients with diabetic peripheral neuropathy compared to controls, and lower at knee only in patients without neuropathy. Operating strengths were higher (p<0.05) at the ankle and knee in patients with neuropathy during stair descent compared to the controls, but not during stair ascent.ConclusionPatients with diabetic peripheral neuropathy walk slower to alter gait strategy during stair walking and account for lower-limb muscular weakness, but still exhibit heightened operating strengths during stair descent, which may impact upon fatigue and the ability to recover a safe stance following postural instability.
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Source:Gait & Posture
Author(s): Steven J. Brown, Joseph C. Handsaker, Constantinos N. Maganaris, Frank L. Bowling, Andrew J.M. Boulton, Neil D. Reeves
AimTo investigate lower limb biomechanical strategy during stair walking in patients with diabetes and patients with diabetic peripheral neuropathy, a population known to exhibit lower limb muscular weakness.MethodsThe peak lower limb joint moments of twenty-two patients with diabetic peripheral neuropathy and thirty-nine patients with diabetes and no neuropathy were compared during ascent and descent of a staircase to thirty-two healthy controls. Fifty-nine of the ninety-four participants also performed assessment of their maximum isokinetic ankle and knee joint moment (muscle strength) to assess the level of peak joint moments during the stair task relative to their maximal joint moment-generating capabilities (operating strengths).ResultsBoth patient groups ascended and descended stairs slower than controls (p<0.05). Peak joint moments in patients with diabetic peripheral neuropathy were lower (p<0.05) at the ankle and knee during stair ascent, and knee only during stair descent compared to controls. Ankle and knee muscle strength values were lower (p<0.05) in patients with diabetic peripheral neuropathy compared to controls, and lower at knee only in patients without neuropathy. Operating strengths were higher (p<0.05) at the ankle and knee in patients with neuropathy during stair descent compared to the controls, but not during stair ascent.ConclusionPatients with diabetic peripheral neuropathy walk slower to alter gait strategy during stair walking and account for lower-limb muscular weakness, but still exhibit heightened operating strengths during stair descent, which may impact upon fatigue and the ability to recover a safe stance following postural instability.
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How do elite endurance runners alter movements of the spine and pelvis as running speed increases?
Publication date: Available online 19 March 2016
Source:Gait & Posture
Author(s): Stephen J. Preece, Duncan Mason, Christopher Bramah
Elite endurance runners are characterised by their performance ability and higher running economy. However, there is relatively little research aimed at identifying the biomechanical characteristics of this group. This study aimed to understand how motions of the pelvis, lumbar spine and thorax change with speed in a cohort of elite endurance runners (n=14) and a cohort of recreational runners (n=14). Kinematic data were collected during over ground running at four speeds ranging from 3.3 to 5.6ms−1 and a linear mixed model used to understand the effect of speed on both range of motion and mean sagittal inclination. The results showed the two groups to exhibit similar changes in range of motion as speed was increased, with the most pronounced increases being observed in the transverse plane. However, the adaptation of thorax inclination with speed differed between the two groups. Whereas the recreational runners increased thorax inclination as running speed was increased, elite endurance runners consistently maintained a more upright thorax position. This is the first study to identify specific differences in upper body motions between recreational and elite runners and the findings may have implications for training protocols aimed at improving running performance.
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Source:Gait & Posture
Author(s): Stephen J. Preece, Duncan Mason, Christopher Bramah
Elite endurance runners are characterised by their performance ability and higher running economy. However, there is relatively little research aimed at identifying the biomechanical characteristics of this group. This study aimed to understand how motions of the pelvis, lumbar spine and thorax change with speed in a cohort of elite endurance runners (n=14) and a cohort of recreational runners (n=14). Kinematic data were collected during over ground running at four speeds ranging from 3.3 to 5.6ms−1 and a linear mixed model used to understand the effect of speed on both range of motion and mean sagittal inclination. The results showed the two groups to exhibit similar changes in range of motion as speed was increased, with the most pronounced increases being observed in the transverse plane. However, the adaptation of thorax inclination with speed differed between the two groups. Whereas the recreational runners increased thorax inclination as running speed was increased, elite endurance runners consistently maintained a more upright thorax position. This is the first study to identify specific differences in upper body motions between recreational and elite runners and the findings may have implications for training protocols aimed at improving running performance.
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Altered joint moment strategy during stair walking in diabetes patients with and without peripheral neuropathy
Publication date: Available online 19 March 2016
Source:Gait & Posture
Author(s): Steven J. Brown, Joseph C. Handsaker, Constantinos N. Maganaris, Frank L. Bowling, Andrew J.M. Boulton, Neil D. Reeves
AimTo investigate lower limb biomechanical strategy during stair walking in patients with diabetes and patients with diabetic peripheral neuropathy, a population known to exhibit lower limb muscular weakness.MethodsThe peak lower limb joint moments of twenty-two patients with diabetic peripheral neuropathy and thirty-nine patients with diabetes and no neuropathy were compared during ascent and descent of a staircase to thirty-two healthy controls. Fifty-nine of the ninety-four participants also performed assessment of their maximum isokinetic ankle and knee joint moment (muscle strength) to assess the level of peak joint moments during the stair task relative to their maximal joint moment-generating capabilities (operating strengths).ResultsBoth patient groups ascended and descended stairs slower than controls (p<0.05). Peak joint moments in patients with diabetic peripheral neuropathy were lower (p<0.05) at the ankle and knee during stair ascent, and knee only during stair descent compared to controls. Ankle and knee muscle strength values were lower (p<0.05) in patients with diabetic peripheral neuropathy compared to controls, and lower at knee only in patients without neuropathy. Operating strengths were higher (p<0.05) at the ankle and knee in patients with neuropathy during stair descent compared to the controls, but not during stair ascent.ConclusionPatients with diabetic peripheral neuropathy walk slower to alter gait strategy during stair walking and account for lower-limb muscular weakness, but still exhibit heightened operating strengths during stair descent, which may impact upon fatigue and the ability to recover a safe stance following postural instability.
from #Audiology via xlomafota13 on Inoreader http://ift.tt/1RbB00G
via IFTTT
Source:Gait & Posture
Author(s): Steven J. Brown, Joseph C. Handsaker, Constantinos N. Maganaris, Frank L. Bowling, Andrew J.M. Boulton, Neil D. Reeves
AimTo investigate lower limb biomechanical strategy during stair walking in patients with diabetes and patients with diabetic peripheral neuropathy, a population known to exhibit lower limb muscular weakness.MethodsThe peak lower limb joint moments of twenty-two patients with diabetic peripheral neuropathy and thirty-nine patients with diabetes and no neuropathy were compared during ascent and descent of a staircase to thirty-two healthy controls. Fifty-nine of the ninety-four participants also performed assessment of their maximum isokinetic ankle and knee joint moment (muscle strength) to assess the level of peak joint moments during the stair task relative to their maximal joint moment-generating capabilities (operating strengths).ResultsBoth patient groups ascended and descended stairs slower than controls (p<0.05). Peak joint moments in patients with diabetic peripheral neuropathy were lower (p<0.05) at the ankle and knee during stair ascent, and knee only during stair descent compared to controls. Ankle and knee muscle strength values were lower (p<0.05) in patients with diabetic peripheral neuropathy compared to controls, and lower at knee only in patients without neuropathy. Operating strengths were higher (p<0.05) at the ankle and knee in patients with neuropathy during stair descent compared to the controls, but not during stair ascent.ConclusionPatients with diabetic peripheral neuropathy walk slower to alter gait strategy during stair walking and account for lower-limb muscular weakness, but still exhibit heightened operating strengths during stair descent, which may impact upon fatigue and the ability to recover a safe stance following postural instability.
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Academy of Doctors Audiology Announce Keynotes for AuDACITY 2016
The Academy of Doctors of Audiology (ADA) is already gearing up for its annual conference in November.
They recently announced Michael H. Cohen, Esq., and Karl Mecklenburg will deliver keynote presentations at AuDACITY 2016.
Mr. Cohen is an attorney and writer who counsels leaders in medicine, health care, and wellness. The Academy calls him the go-to speaker for businesses and organizations bringing disruptive products and services to market.
Mr. Mecklenburg is a former National Football League (NFL) athlete who's appeared in three Super Bowls. His resume also includes author and speaker, and he delivers stories that are humorous and inspiring, according to the Academy.
For more information on ADA's annual conference, visit http://ift.tt/1MgHM8I.Published: 3/18/2016 9:58:00 AM
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Academy of Doctors Audiology Announce Keynotes for AuDACITY 2016
The Academy of Doctors of Audiology (ADA) is already gearing up for its annual conference in November.
They recently announced Michael H. Cohen, Esq., and Karl Mecklenburg will deliver keynote presentations at AuDACITY 2016.
Mr. Cohen is an attorney and writer who counsels leaders in medicine, health care, and wellness. The Academy calls him the go-to speaker for businesses and organizations bringing disruptive products and services to market.
Mr. Mecklenburg is a former National Football League (NFL) athlete who's appeared in three Super Bowls. His resume also includes author and speaker, and he delivers stories that are humorous and inspiring, according to the Academy.
For more information on ADA's annual conference, visit http://ift.tt/1MgHM8I.Published: 3/18/2016 9:58:00 AM
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Academy of Doctors Audiology Announce Keynotes for AuDACITY 2016
The Academy of Doctors of Audiology (ADA) is already gearing up for its annual conference in November.
They recently announced Michael H. Cohen, Esq., and Karl Mecklenburg will deliver keynote presentations at AuDACITY 2016.
Mr. Cohen is an attorney and writer who counsels leaders in medicine, health care, and wellness. The Academy calls him the go-to speaker for businesses and organizations bringing disruptive products and services to market.
Mr. Mecklenburg is a former National Football League (NFL) athlete who's appeared in three Super Bowls. His resume also includes author and speaker, and he delivers stories that are humorous and inspiring, according to the Academy.
For more information on ADA's annual conference, visit http://ift.tt/1MgHM8I.Published: 3/18/2016 9:58:00 AM
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