Aging and the effects of a half marathon on Achilles tendon force-elongation relationship

Publikationen: Beitrag in FachzeitschriftZeitschriftenaufsätzeForschungBegutachtung

Standard

Aging and the effects of a half marathon on Achilles tendon force-elongation relationship. / Ackermans, Thijs Maria Anne; Epro, Gaspar; McCrum, Christopher; Oberländer, Kai Daniel; Suhr, Frank; Drost, Maarten Robert; Meijer, Kenneth; Karamanidis, Kiros.

in: European journal of applied physiology, Jahrgang 116, Nr. 11-12, 12.2016, S. 2281-2292.

Publikationen: Beitrag in FachzeitschriftZeitschriftenaufsätzeForschungBegutachtung

Harvard

Ackermans, TMA, Epro, G, McCrum, C, Oberländer, KD, Suhr, F, Drost, MR, Meijer, K & Karamanidis, K 2016, 'Aging and the effects of a half marathon on Achilles tendon force-elongation relationship', European journal of applied physiology, Jg. 116, Nr. 11-12, S. 2281-2292. https://doi.org/10.1007/s00421-016-3482-z

APA

Ackermans, T. M. A., Epro, G., McCrum, C., Oberländer, K. D., Suhr, F., Drost, M. R., Meijer, K., & Karamanidis, K. (2016). Aging and the effects of a half marathon on Achilles tendon force-elongation relationship. European journal of applied physiology, 116(11-12), 2281-2292. https://doi.org/10.1007/s00421-016-3482-z

Vancouver

Bibtex

@article{be0b5ccd2dd4463aaa91e475d589ec78,
title = "Aging and the effects of a half marathon on Achilles tendon force-elongation relationship",
abstract = "PURPOSE: We aimed to determine whether there are different changes in Achilles tendon (AT) mechanical properties in middle-aged, compared to younger runners that might indicate that tendon fatigue, induced by long-distance running, is age-dependent.METHODS: 27 middle-aged (50-67 years) and 22 younger (21-29 years) participants ran a 21 km route at their own pace (mean and SD: old: 3.1 ± 0.3 m s(-1); young: 3.6 ± 0.5 m s(-1)). We tested for changes in the AT force-elongation relationship using dynamometry and ultrasonography during isometric voluntary ankle plantarflexion ramp contractions, conducted 20-28 h pre-run, immediately pre-run, immediately post-run and 20-28 h post-run. Stride frequency and number were examined to estimate cyclic tensile loading characteristics of the tendon during running.RESULTS: Muscle strength decreased significantly (P < 0.05) in both groups immediately post-run (old: 17 %; young: 11 %) and recovered to baseline within 20-28 h post-run. AT stiffness did not change for the younger adults, whereas the middle-aged adults showed a significant (P < 0.05) decrease in AT stiffness (22 %). However, tendon stiffness recovered to baseline 20-28 h post-run. Middle-aged, compared to young adults, demonstrated significantly (P < 0.05) greater stride frequency and number, but no correlations with tendon fatigue changes were determined (R (2) ≤ 0.038).CONCLUSIONS: The results suggest that the plasticity of the AT in response to short-term mechanical loading may be age dependent and that the AT length-tension properties of middle-aged runners may be more vulnerable to change following running compared to younger athletes. However, the observed AT changes in the middle-aged runners dissipated within 20-28 h post-run, suggesting that a tendon viscoelastic recovery mechanism may occur in vivo.",
keywords = "Achilles Tendon, Adult, Aged, Aging, Computer Simulation, Elastic Modulus, Humans, Isometric Contraction, Male, Middle Aged, Models, Biological, Physical Endurance, Running, Stress, Mechanical, Tensile Strength, Young Adult, Journal Article",
author = "Ackermans, {Thijs Maria Anne} and Gaspar Epro and Christopher McCrum and Oberl{\"a}nder, {Kai Daniel} and Frank Suhr and Drost, {Maarten Robert} and Kenneth Meijer and Kiros Karamanidis",
year = "2016",
month = dec,
doi = "10.1007/s00421-016-3482-z",
language = "English",
volume = "116",
pages = "2281--2292",
journal = "European journal of applied physiology",
issn = "1439-6319",
publisher = "Springer Verlag",
number = "11-12",

}

RIS

TY - JOUR

T1 - Aging and the effects of a half marathon on Achilles tendon force-elongation relationship

AU - Ackermans, Thijs Maria Anne

AU - Epro, Gaspar

AU - McCrum, Christopher

AU - Oberländer, Kai Daniel

AU - Suhr, Frank

AU - Drost, Maarten Robert

AU - Meijer, Kenneth

AU - Karamanidis, Kiros

PY - 2016/12

Y1 - 2016/12

N2 - PURPOSE: We aimed to determine whether there are different changes in Achilles tendon (AT) mechanical properties in middle-aged, compared to younger runners that might indicate that tendon fatigue, induced by long-distance running, is age-dependent.METHODS: 27 middle-aged (50-67 years) and 22 younger (21-29 years) participants ran a 21 km route at their own pace (mean and SD: old: 3.1 ± 0.3 m s(-1); young: 3.6 ± 0.5 m s(-1)). We tested for changes in the AT force-elongation relationship using dynamometry and ultrasonography during isometric voluntary ankle plantarflexion ramp contractions, conducted 20-28 h pre-run, immediately pre-run, immediately post-run and 20-28 h post-run. Stride frequency and number were examined to estimate cyclic tensile loading characteristics of the tendon during running.RESULTS: Muscle strength decreased significantly (P < 0.05) in both groups immediately post-run (old: 17 %; young: 11 %) and recovered to baseline within 20-28 h post-run. AT stiffness did not change for the younger adults, whereas the middle-aged adults showed a significant (P < 0.05) decrease in AT stiffness (22 %). However, tendon stiffness recovered to baseline 20-28 h post-run. Middle-aged, compared to young adults, demonstrated significantly (P < 0.05) greater stride frequency and number, but no correlations with tendon fatigue changes were determined (R (2) ≤ 0.038).CONCLUSIONS: The results suggest that the plasticity of the AT in response to short-term mechanical loading may be age dependent and that the AT length-tension properties of middle-aged runners may be more vulnerable to change following running compared to younger athletes. However, the observed AT changes in the middle-aged runners dissipated within 20-28 h post-run, suggesting that a tendon viscoelastic recovery mechanism may occur in vivo.

AB - PURPOSE: We aimed to determine whether there are different changes in Achilles tendon (AT) mechanical properties in middle-aged, compared to younger runners that might indicate that tendon fatigue, induced by long-distance running, is age-dependent.METHODS: 27 middle-aged (50-67 years) and 22 younger (21-29 years) participants ran a 21 km route at their own pace (mean and SD: old: 3.1 ± 0.3 m s(-1); young: 3.6 ± 0.5 m s(-1)). We tested for changes in the AT force-elongation relationship using dynamometry and ultrasonography during isometric voluntary ankle plantarflexion ramp contractions, conducted 20-28 h pre-run, immediately pre-run, immediately post-run and 20-28 h post-run. Stride frequency and number were examined to estimate cyclic tensile loading characteristics of the tendon during running.RESULTS: Muscle strength decreased significantly (P < 0.05) in both groups immediately post-run (old: 17 %; young: 11 %) and recovered to baseline within 20-28 h post-run. AT stiffness did not change for the younger adults, whereas the middle-aged adults showed a significant (P < 0.05) decrease in AT stiffness (22 %). However, tendon stiffness recovered to baseline 20-28 h post-run. Middle-aged, compared to young adults, demonstrated significantly (P < 0.05) greater stride frequency and number, but no correlations with tendon fatigue changes were determined (R (2) ≤ 0.038).CONCLUSIONS: The results suggest that the plasticity of the AT in response to short-term mechanical loading may be age dependent and that the AT length-tension properties of middle-aged runners may be more vulnerable to change following running compared to younger athletes. However, the observed AT changes in the middle-aged runners dissipated within 20-28 h post-run, suggesting that a tendon viscoelastic recovery mechanism may occur in vivo.

KW - Achilles Tendon

KW - Adult

KW - Aged

KW - Aging

KW - Computer Simulation

KW - Elastic Modulus

KW - Humans

KW - Isometric Contraction

KW - Male

KW - Middle Aged

KW - Models, Biological

KW - Physical Endurance

KW - Running

KW - Stress, Mechanical

KW - Tensile Strength

KW - Young Adult

KW - Journal Article

U2 - 10.1007/s00421-016-3482-z

DO - 10.1007/s00421-016-3482-z

M3 - Journal articles

C2 - 27695979

VL - 116

SP - 2281

EP - 2292

JO - European journal of applied physiology

JF - European journal of applied physiology

SN - 1439-6319

IS - 11-12

ER -

ID: 2990563