Leaning the Trunk Forward Decreases Patellofemoral Joint Loading During Uneven Running.

Journal article

AminiAghdam, S., Epro, G., James, D. and Karamanidis, K. (2021). Leaning the Trunk Forward Decreases Patellofemoral Joint Loading During Uneven Running. Journal of strength and conditioning research. https://doi.org/10.1519/JSC.0000000000004128
AuthorsAminiAghdam, S., Epro, G., James, D. and Karamanidis, K.
AbstractAminiAghdam, S, Epro, G, James, D, and Karamanidis, K. Leaning the trunk forward decreases patellofemoral joint loading during uneven running. J Strength Cond Res XX(X): 000-000, 2021-Although decline surfaces or a more upright trunk posture during running increase the patellofemoral joint (PFJ) contact force and stress, less is known about these kinetic parameters under simultaneous changes to the running posture and surface height. This study aimed to investigate the interaction between Step (10-cm drop-step and level step) and Posture (trunk angle from the vertical: self-selected, ∼15°; backward, ∼0°; forward, ∼25°) on PFJ kinetics (primary outcomes) and knee kinematics and kinetics as well as hip and ankle kinetics (secondary outcomes) in 12 runners at 3.5 ms-1. Two-way repeated measures analyses of variance (α = 0.05) revealed no step-related changes in peak PFJ kinetics across running postures; however, a decreased peak knee flexion angle and increased joint stiffness in the drop-step only during backward trunk-leaning. The Step main effect revealed significantly increased peak hip and ankle extension moments in the drop-step, signifying pronounced mechanical demands on these joints. The Posture main effect revealed significantly higher and lower PFJ kinetics during backward and forward trunk-leaning, respectively, when compared with the self-selected condition. Forward trunk-leaning yielded significantly lower peak knee extension moments and higher hip extension moments, whereas the opposite effects occurred with backward trunk-leaning. Overall, changes to the running posture, but not to the running surface height, influenced the PFJ kinetics. In line with the previously reported efficacy of forward trunk-leaning in mitigating PFJ stress while even or decline running, this technique, through a distal-to-proximal joint load redistribution, also seems effective during running on surfaces with height perturbations. [Abstract copyright: Copyright © 2021 by the National Strength & Conditioning Association.]
Year2021
JournalJournal of strength and conditioning research
PublisherLippincott, Williams & Wilkins
ISSN1533-4287
Digital Object Identifier (DOI)https://doi.org/10.1519/JSC.0000000000004128
Publication dates
Online10 Sep 2021
Publication process dates
Deposited05 Jan 2022
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Effects of altered sagittal trunk orientation on kinetic pattern in able-bodied walking on uneven ground
AminiAghdam, S. and Rode, C. (2017). Effects of altered sagittal trunk orientation on kinetic pattern in able-bodied walking on uneven ground. Biology Open. 6 (7). https://doi.org/10.1242/bio.025239
Effect of long-term exercise-induced changes of the triceps surae muscle-tendon unit properties on maximal walking velocity in the elderly
Epro, G, Mierau, A, Brüggemann, G-P and Karamanidis, K (2017). Effect of long-term exercise-induced changes of the triceps surae muscle-tendon unit properties on maximal walking velocity in the elderly. 10. Jahrestagung der Deutschen Gesellschaft für Biomechanik (DGfB). Hannover, Germany 29 - 31 Mar 2017
A systematic review of gait perturbation paradigms for improving reactive stepping responses and falls risk among healthy older adults.
McCrum, C, Gerards, MHG, Karamanidis, K, Zijlstra, W and Meijer, K (2017). A systematic review of gait perturbation paradigms for improving reactive stepping responses and falls risk among healthy older adults. European Review of Aging and Physical Activity. 14, p. 3. https://doi.org/10.1186/s11556-017-0173-7
The Achilles tendon is mechanosensitive in older adults: adaptations following 14 weeks versus 1.5 years of cyclic strain exercise.
Epro, G, Mierau, A, Doerner, J, Luetkens, J, Scheef, L, Kukuk, G, Boecker, H, Maganaris, C, Brüggemann, G-P and Karamanidis, K (2017). The Achilles tendon is mechanosensitive in older adults: adaptations following 14 weeks versus 1.5 years of cyclic strain exercise. Journal of Experimental Biology. 220 (Pt 6), pp. 1008-1018. https://doi.org/10.1242/jeb.146407
Muscle and tendon adaptation in young and older adult athletes: A combined longitudinal and cross sectional investigation
Koenig, M, Epro, G, McCrum, C, Ackermans, TMA, Schade, F and Karamanidis, K (2017). Muscle and tendon adaptation in young and older adult athletes: A combined longitudinal and cross sectional investigation. 10. Jahrestagung der Deutschen Gesellschaft für Biomechanik. Hannover 29 - 31 Mar 2017
Simplified triceps surae muscle volume assessment in the elderly
Epro, G, Koenig, M, Mersmann, F, Arampatzis, A and Karamanidis, K (2017). Simplified triceps surae muscle volume assessment in the elderly. 10. Jahrestagung der Deutschen Gesellschaft für Biomechanik (DGfB). Hannover, Germany 29 - 31 Mar 2017
Associations Between Bipedal Stance Stability and Locomotor Stability Following a Trip in Unilateral Vestibulopathy
McCrum, C, Eysel-Gosepath, K, Epro, G, Meijer, K, Savelberg, HHCM, Brüggemann, G-P and Karamanidis, K (2017). Associations Between Bipedal Stance Stability and Locomotor Stability Following a Trip in Unilateral Vestibulopathy. Journal of applied biomechanics. 33 (2), pp. 112-117. https://doi.org/10.1123/jab.2016-0004
Age-related differences in drop-jump performance are eliminated by matching triceps surae muscle strength and Achilles tendon stiffness.
Koenig, M, Hemmers, S, McCrum, C, Epro, G, Ackermans, TMA, Hartmann, U and Karamanidis, K (2017). Age-related differences in drop-jump performance are eliminated by matching triceps surae muscle strength and Achilles tendon stiffness. 2017 BASES Biomechanics Interest Group (BIG) Meeting, Portsmouth. Portsmouth 19 - 19 Apr 2017
The effect of habitual athletics training on muscle and tendon adaptation in young and older elite athletes.
Koenig, M, Epro, G, McCrum, C, Bädorf, M, Schade, F and Karamanidis, K (2017). The effect of habitual athletics training on muscle and tendon adaptation in young and older elite athletes. 2017 BASES Biomechanics Interest Group (BIG) Meeting, Portsmouth. Portsmouth 19 - 19 Apr 2017
Effect Of Triceps Surae Muscle-Tendon Unit Mechanical Properties On Gait Stability And Adaptability In Older Female Adults
Epro, G, McCrum, C, Mierau, A, Leyendecker, M, Brüggemann, G-P and Karamanidis, K (2017). Effect Of Triceps Surae Muscle-Tendon Unit Mechanical Properties On Gait Stability And Adaptability In Older Female Adults. BASES Biomechanics Interest Group (BIG) Meeting 2017. Portsmouth, UK 19 - 19 Apr 2017
Achilles tendon is mechanosensitive in old adults: a 1.5 year resistance training intervention
Epro, G, Mierau, A, Doerner, J, Luetkens, J, Scheef, L, Kukuk, G, Boecker, H, Maganaris, C and Karamanidis, K (2017). Achilles tendon is mechanosensitive in old adults: a 1.5 year resistance training intervention. BASES Biomechanics Interest Group (BIG) Meeting 2017. Portsmouth, UK 19 - 19 May 2017
Matching triceps surae muscle strength and tendon stiffness eliminates age-related differences in drop-jump performance
Koenig, M, Hemmers, S, McCrum, C, Epro, G, Ackermans, TMA, Hartmann, U and Karamanidis, K (2017). Matching triceps surae muscle strength and tendon stiffness eliminates age-related differences in drop-jump performance. 35th International Conference on Biomechanics in Sports. Cologne 14 - 18 Jun 2017
Muscle-tendon adaptation monitoring in elite athletes: Preliminary results from a longitudinal investigation
Epro, G, Koenig, M, McCrum, C, Baedorf, M, Schade, F and Karamanidis, K (2017). Muscle-tendon adaptation monitoring in elite athletes: Preliminary results from a longitudinal investigation. 35th Conference of the International Society of Biomechanics in Sport. Cologne, Germany 14 - 18 Jun 2017
Loading rate and contraction type effects on the human Achilles tendon force-elongation relationship
McCrum, C, Oberländer, KD, Epro, G, Krauss, P, Reeves, N and Karamanidis, K (2017). Loading rate and contraction type effects on the human Achilles tendon force-elongation relationship. 22nd Annual Congress of the European College of Sport Science. Essen, Germany 05 - 08 Jul 2017
Monitoring muscle-tendon adaptation in elite athletes: Preliminary data from a 1-year longitudinal investigation
Koenig, M, Epro, G, McCrum, C, Bädorf, M, Schade, F and Karamanidis, K (2017). Monitoring muscle-tendon adaptation in elite athletes: Preliminary data from a 1-year longitudinal investigation. 22nd annual Congress of the European College of Sport Science (ECSS). Essen 05 - 08 Jul 2017
Achilles tendon mechanosensitivity is preserved in old age: In vivo evidence from a 1.5 years long resistance training intervention
Epro, G, Mierau, A, Doerner, J, Luetkens, J, Scheef, L, Kukuk, G, Boecker, H, Maganaris, C, Brüggemann, G-P and Karamanidis, K (2017). Achilles tendon mechanosensitivity is preserved in old age: In vivo evidence from a 1.5 years long resistance training intervention. 22nd annual Congress of the European College of Sport Science. Essen, Germany 05 - 08 Jul 2017
Loading rate and contraction duration effects on in vivo human Achilles tendon mechanical properties.
McCrum, C, Oberländer, KD, Epro, G, Krauss, P, James, DC, Reeves, N and Karamanidis, K (2017). Loading rate and contraction duration effects on in vivo human Achilles tendon mechanical properties. Clinical Physiology and Functional Imaging. 38 (3), pp. 517-523. https://doi.org/10.1111/cpf.12472
Locomotor stability and adaptation during perturbed walking across the adult female lifespan.
McCrum, C, Epro, G, Meijer, K, Zijlstra, W, Brüggemann, G-P and Karamanidis, K (2016). Locomotor stability and adaptation during perturbed walking across the adult female lifespan. Journal of Biomechanics. 49 (7), pp. 1244-1247. https://doi.org/10.1016/j.jbiomech.2016.02.051
Use of a Lucas-Kanade-Based Template Tracking Algorithm to Examine In Vivo Tendon Excursion during Voluntary Contraction Using Ultrasonography.
Karamanidis, K, Travlou, A, Krauss, P and Jaekel, U (2016). Use of a Lucas-Kanade-Based Template Tracking Algorithm to Examine In Vivo Tendon Excursion during Voluntary Contraction Using Ultrasonography. Ultrasound in Medicine and Biology. 42 (7), pp. 1689-1700. https://doi.org/10.1016/j.ultrasmedbio.2016.02.019
Visual and proprioceptive contributions to postural control of upright stance in unilateral vestibulopathy.
Eysel-Gosepath, K, McCrum, C, Epro, G, Brüggemann, G-P and Karamanidis, K (2016). Visual and proprioceptive contributions to postural control of upright stance in unilateral vestibulopathy. Somatosensory and Motor Research. 33 (2), pp. 72-78. https://doi.org/10.1080/08990220.2016.1178635
Sit-to-walk and sit-to-stand-and-walk task dynamics are maintained during rising at an elevated seat-height independent of lead-limb in healthy individuals
Jones, GD, James, DC, Thacker, M, Jones, EJ and Green, DA (2016). Sit-to-walk and sit-to-stand-and-walk task dynamics are maintained during rising at an elevated seat-height independent of lead-limb in healthy individuals. Gait and Posture. 48 (July), pp. 226 - 229. https://doi.org/10.1016/j.gaitpost.2016.06.005
Sit-to-stand-and-walk from 120% knee height: A novel approach to assess dynamic postural control independent of lead-limb
Jones, GD, James, DC, Thacker, M and Green, DA (2016). Sit-to-stand-and-walk from 120% knee height: A novel approach to assess dynamic postural control independent of lead-limb. Journal of Visualized Experiments. 2016 (114). https://doi.org/10.3791/54323
Matching participants for triceps surae mechanical properties eliminates age-related differences in drop jump performance
Koenig, M, Hemmers, S, McCrum, C, Epro, G, Ackermans, TMA, Hartmann, U and Karamanidis, K (2016). Matching participants for triceps surae mechanical properties eliminates age-related differences in drop jump performance. 11th Joint Conference on Motor Control & Learning, Biomechanics & Training of the German Society of Sports Sciences. Darmstadt, Germany 28 - 30 Sep 2016
Aging and the effects of a half marathon on Achilles tendon force-elongation relationship.
Ackermans, TMA, Epro, G, McCrum, C, Oberländer, KD, Suhr, F, Drost, MR, Meijer, K and 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), pp. 2281-2292. https://doi.org/10.1007/s00421-016-3482-z
Age-related differences in drop jump performance are eliminated when triceps surae mechanical properties are matched
Koenig, M, Hemmers, S, McCrum, C, Epro, G, Ackermans, TMA, Hartmann, U and Karamanidis, K (2016). Age-related differences in drop jump performance are eliminated when triceps surae mechanical properties are matched. Dutch Society for Movement Sciences (VvBN) PhD Day 2016. Maastricht 09 - 09 Nov 2016
The biomechanical characteristics of wearing FitFlop™ sandals highlight significant alterations in gait pattern: a comparative study.
James, DC, Farmer, LJ, Sayers, JB, Cook, DP and Mileva, K. (2015). The biomechanical characteristics of wearing FitFlop™ sandals highlight significant alterations in gait pattern: a comparative study. Clinical Biomechanics. 30 (4), pp. 347-354. https://doi.org/10.1016/j.clinbiomech.2015.02.016
47 An acute session of high-frequency, low-intensity, wide-pulse electrical stimulation evokes fatigue adaptations in an intrinsic foot muscle
James, DC, Mileva, K. and Solan, MC (2015). 47 An acute session of high-frequency, low-intensity, wide-pulse electrical stimulation evokes fatigue adaptations in an intrinsic foot muscle. British Journal of Sports Medicine. 49 (Suppl). https://doi.org/10.1136/bjsports-2015-095573.47
Low-frequency accelerations over-estimate impact-related shock during walking.
James, DC, Mileva, K. and Cook, DP (2014). Low-frequency accelerations over-estimate impact-related shock during walking. Journal of Electromyography and Kinesiology. 24 (2), pp. 264-270. https://doi.org/10.1016/j.jelekin.2013.12.008
Effect of exercise-induced enhancement of the leg-extensor muscle-tendon unit capacities on ambulatory mechanics and knee osteoarthritis markers in the elderly.
Karamanidis, K, Oberländer, KD, Niehoff, A, Epro, G and Brüggemann, G-P (2014). Effect of exercise-induced enhancement of the leg-extensor muscle-tendon unit capacities on ambulatory mechanics and knee osteoarthritis markers in the elderly. PLoS ONE. 9 (6). https://doi.org/10.1371/journal.pone.0099330
Wide-pulse electrical stimulation to an intrinsic foot muscle induces acute functional changes in forefoot-rearfoot coupling behaviour during walking.
James, D.C., Chesters, T., Sumners, D.P., Cook, D.P., Green, D.A. and Mileva, K. (2012). Wide-pulse electrical stimulation to an intrinsic foot muscle induces acute functional changes in forefoot-rearfoot coupling behaviour during walking. International Journal of Sports Medicine. 34 (5), pp. 438-443. https://doi.org/10.1055/s-0032-1321893
Coefficient of cross correlation analysis of kinematics during walking barefoot and in Vibram FiveFingers®
James, DC and Cook, D (2011). Coefficient of cross correlation analysis of kinematics during walking barefoot and in Vibram FiveFingers®. Footwear Science. 3 (SUP 1), pp. S79-S81. https://doi.org/10.1080/19424280.2011.575401