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Rocker shoe during walk

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https://www.readbyqxmd.com/read/27619191/combined-ankle-foot-energetics-are-conserved-when-distal-foot-energy-absorption-is-minimized
#1
Elisa S Arch, Bretta L Fylstra
The large, late-stance energy generated by the ankle is believed to be critical during gait. However, the distal foot absorbs/dissipates a considerable amount of energy during the same phase. Thus, the energy generated by the combined ankle-foot system is more modest, which raises questions regarding the necessity of such a large ankle power and the interplay between foot and ankle energetics. This study aimed to evaluate our conservation of energy hypothesis, which predicted if distal foot energy absorption/dissipation was reduced, less energy would be generated at the ankle and thus the same combined ankle-foot energetics would be achieved...
September 6, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27079303/a-randomized-comparison-of-the-biomechanical-effect-of-two-commercially-available-rocker-bottom-shoes-to-a-conventional-athletic-shoe-during-walking-in-healthy-individuals
#2
Mukul Talaty, Sona Patel, Alberto Esquenazi
Rocker bottom shoes have recently gained considerable popularity, likely in part because of the many purported benefits, including reducing joint loading and toning muscles. Scientific inquiry about these benefits has not kept pace with the increased usage of this shoe type. A fundamental premise of rocker bottom shoes is that they transform hard, flat, level surfaces into more uneven ones. Published studies have described a variety of such shoes-all having a somewhat rounded bottom and a cut heel region or a cut forefoot region, or both (double rocker)...
July 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/26032398/effects-of-shoe-sole-geometry-on-toe-clearance-and-walking-stability-in-older-adults
#3
S B Thies, C Price, L P J Kenney, R Baker
Thirty-five percent of people above age 65 fall each year, and half of their falls are associated with tripping: tripping, an apparently 'mundane' everyday problem, therefore, significantly impacts on older people's health and associated medical costs. To avoid tripping and subsequent falling, sufficient toe clearance during the swing phase is crucial. We previously found that a rocker-shaped shoe sole enhances toe clearance in young adults, thereby decreasing their trip-risk. This study investigates whether such sole design also enhances older adults' toe clearance, without inadvertently affecting their walking stability...
July 2015: Gait & Posture
https://www.readbyqxmd.com/read/24870566/effect-of-rocker-soled-shoes-on-parameters-of-knee-joint-load-in-knee-osteoarthritis
#4
Elizabeth G Madden, Crystal O Kean, Tim V Wrigley, Kim L Bennell, Rana S Hinman
PURPOSE: This study evaluated the immediate effects of rocker-soled shoes on parameters of the knee adduction moment (KAM) and pain in individuals with knee osteoarthritis (OA). METHODS: Three-dimensional gait analysis was performed on 30 individuals (mean (SD): age, 61 (7) yr; 15 (50%) male) with radiographic and symptomatic knee OA under three walking conditions in a randomized order: i) wearing rocker-soled shoes (Skechers Shape-ups), ii) wearing non-rocker-soled shoes (ASICS walking shoes), and iii) barefoot...
January 2015: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/24855607/plantar-pressure-distribution-during-robotic-assisted-gait-in-post-stroke-hemiplegic-patients
#5
Jin Kyu Yang, Na El Ahn, Dae Hyun Kim, Deog Young Kim
OBJECTIVE: To assess the plantar pressure distribution during the robotic-assisted walking, guided through normal symmetrical hip and knee physiological kinematic trajectories, with unassisted walking in post-stroke hemiplegic patients. METHODS: Fifteen hemiplegic stroke patients, who were able to walk a minimum of ten meters independently but with asymmetric gait patterns, were enrolled in this study. All the patients performed both the robotic-assisted walking (Lokomat) and the unassisted walking on the treadmill with the same body support in random order...
April 2014: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/24636129/rocker-shoes-reduce-achilles-tendon-load-in-running-and-walking-in-patients-with-chronic-achilles-tendinopathy
#6
RANDOMIZED CONTROLLED TRIAL
Sobhan Sobhani, Johannes Zwerver, Edwin van den Heuvel, Klaas Postema, Rienk Dekker, Juha M Hijmans
OBJECTIVES: Relative rest and pain relief play an important role in the management of Achilles tendinopathy, and might be achieved by reducing the load on the Achilles tendon. Previous studies have provided evidence that rocker shoes are able to decrease the ankle internal plantar flexion moment in healthy runners during walking and running. Since plantar flexion moment is related to the Achilles tendon loading, rocker shoes might be considered in the conservative management of Achilles tendinopathy...
March 2015: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/24370440/effect-of-rocker-shoes-on-plantar-pressure-pattern-in-healthy-female-runners
#7
COMPARATIVE STUDY
Sobhan Sobhani, Edwin van den Heuvel, Steef Bredeweg, Bas Kluitenberg, Klaas Postema, Juha M Hijmans, Rienk Dekker
Rocker profile shoes (rocker shoes) are one of the treatment options of metatarsalgia and forefoot stress fractures. The efficacy of rocker shoes in unloading the forefoot pressure has been shown in walking. In running, however, the effect of rocker shoes on forefoot pressure is unknown. Eighteen healthy female runners participated in this study. In-shoe plantar pressures were recorded during running with the standard running shoes and rocker shoes. Shoe comfort was assessed after each shoe measurement. Peak pressure (PP), maximum mean pressure (MMP) and force-time integral (FTI) were determined for seven foot areas...
March 2014: Gait & Posture
https://www.readbyqxmd.com/read/24110860/static-ankle-foot-orthosis-improves-static-balance-and-gait-functions-in-hemiplegic-patients-after-stroke
#8
Jen-Suh Chern, Hsuan-Sung Chang, Chi-Wen Lung, Ching-Yi Wu, Simon F D Tang
The purpose was to examine the effects of static anterior and posterior ankle-foot orthoses (AAFOs & PAFOs) using with regular shoes on improving static and gait function in patients recovering from stroke. Static and dynamic balance control were measured under four conditions: barefeet, wearing regular shoes only, and wearing regular shoes with AAFOs or PAFOs. The results indicated that wearing regular shoes markedly increased the center of pressure (CoP) sway (p < 0.05) in static standing conditions. Both AAFOs and PAFOs decreased CoP sway and increased bilateral limb loading symmetry compared to barefoot and wearing shoes alone (p < 0...
2013: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/23928715/effectiveness-of-rocker-sole-shoes-in-the-management-of-chronic-low-back-pain-a-randomized-clinical-trial
#9
RANDOMIZED CONTROLLED TRIAL
Catharine Siân MacRae, Jeremy S Lewis, Adam P Shortland, Matthew C Morrissey, Duncan Critchley
STUDY DESIGN: Multicenter, assessor-blind, randomized, clinical trial. OBJECTIVE: To compare the effectiveness of rocker sole footwear to traditional flat sole footwear as part of the management for people with low back pain (LBP). SUMMARY OF BACKGROUND DATA: During the past decade, persistent advertising has claimed that footwear constructed with a rocker sole will reduce LBP. However, there is no robust evidence to support these claims. METHODS: One hundred fifteen people with chronic LBP were randomized to wear rocker sole shoes or flat sole shoes for a minimum of 2 hours each day while standing and walking...
October 15, 2013: Spine
https://www.readbyqxmd.com/read/23770233/biomechanics-of-slow-running-and-walking-with-a-rocker-shoe
#10
Sobhan Sobhani, Juha Hijmans, Edwin van den Heuvel, Johannes Zwerver, Rienk Dekker, Klaas Postema
Evidence suggests a link between the loading of the Achilles tendon and the magnitude of the ankle internal plantar flexion moment during late stance of gait, which is clinically relevant in the management of Achilles tendinopathy. Some studies showed that rocker shoes can reduce the ankle internal plantar flexion moment. However, the existing evidence is not conclusive and focused on walking and scarce in running. Sixteen healthy runners participated in this study. Lower extremity kinetics, kinematics and electromyographic (EMG) signals of triceps surae and tibialis anterior were quantified for two types of shoes during running and walking...
September 2013: Gait & Posture
https://www.readbyqxmd.com/read/23731579/effect-of-rocker-shoe-design-features-on-forefoot-plantar-pressures-in-people-with-and-without-diabetes
#11
J D Chapman, S Preece, B Braunstein, A Höhne, C J Nester, P Brueggemann, S Hutchins
BACKGROUND: There is no consensus on the precise rocker shoe outsole design that will optimally reduce plantar pressure in people with diabetes. This study aimed to understand how peak plantar pressure is influenced by systematically varying three design features which characterise a curved rocker shoe: apex angle, apex position and rocker angle. METHODS: A total of 12 different rocker shoe designs, spanning a range of each of the three design features, were tested in 24 people with diabetes and 24 healthy participants...
July 2013: Clinical Biomechanics
https://www.readbyqxmd.com/read/23401295/effects-of-the-heel-to-toe-rocker-sole-on-walking-in-able-bodied-persons
#12
COMPARATIVE STUDY
Mokhtar Arazpour, Stephen W Hutchins, Farhad T Ghomshe, Fahimeh Shaky, Masome V Karami, Andrey Y Aksenov
BACKGROUND AND AIM: The most commonly prescribed external shoe modification is the use of rocker soles. The aim of this study was to evaluate the effect of a heel-to-toe rocker sole profile on specific temporal-spatial parameters and the kinematics of walking when added to footwear. METHOD: Seventeen healthy adult volunteers participated in this study. For each subject, gait analysis was performed under two conditions that were tested in a random order: walking with either a baseline shoe with a flat sole or a modified shoe adapted with a heel-to-toe rocker sole...
December 2013: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/23357759/the-effect-of-unstable-sandals-on-instability-in-gait-in-healthy-female-subjects
#13
COMPARATIVE STUDY
Carina Price, Laura Smith, Philip Graham-Smith, Richard Jones
Unstable footwear generally lacks thorough peer-review published research to support concepts and marketing claims. The purpose of this study was to investigate the instability induced by four (FitFlop, Masai Barefoot Technology, Reebok Easy-Tone and Skechers Tone-Ups) commercially available unstable sandals and one stable control sandal (Earth) in walking in 15 females (mean±SD age was 29±6.7 years, mass 62.6±6.9kg and height 167.1±4.2cm). Three-dimensional motion with synchronised electromyography and kinetic data were collected...
July 2013: Gait & Posture
https://www.readbyqxmd.com/read/22884544/changes-in-windlass-effect-in-response-to-different-shoe-and-insole-designs-during-walking
#14
Shih-Cherng Lin, Carl P C Chen, Simon F T Tang, Alice M K Wong, Jui-Hsiang Hsieh, Weng-Pin Chen
Windlass effect occurs during the pre-swing phase of gait cycle in which the peak tensile strain and force of the plantar aponeurosis (PA) is reached. The increased dorsiflexion angle of the 1st metatarsophalangeal (MTP) joint is the main causing factor. The aim of this study was to investigate thoroughly in finding the appropriate shoe and insole combination that can effectively decrease the windlass effect. Foot kinematic analyses of 10 normal volunteers (aged 25.2±2.1 years, height of 167.4±9.1 cm, and weight of 66...
February 2013: Gait & Posture
https://www.readbyqxmd.com/read/22424760/effect-of-a-rocker-non-heeled-shoe-on-emg-and-ground-reaction-forces-during-gait-without-previous-training
#15
Isabel C N Sacco, Cristina D Sartor, Licia P Cacciari, Andrea N Onodera, Roberto C Dinato, Elcio Pantaleão, Alessandra B Matias, Fernanda G Cezário, Lucas M G Tonicelli, Maria Cecília S Martins, Mariane Yokota, Paulo Eduardo C Marques, Paulo Henrique C Costa
Unstable shoes have been designed to promote "natural instability" and during walking they should simulate barefoot gait, enhancing muscle activity and, thus, attributing an advantage over regular tennis shoes. Recent studies showed that, after special training on the appropriate walking pattern, the use of the Masai Barefoot Technology (MBT) shoe increases muscle activation during walking. Our study presents a comparison of muscle activity as well as horizontal and vertical forces during gait with the MBT, a standard tennis shoe and barefoot walking of healthy individuals without previous training...
June 2012: Gait & Posture
https://www.readbyqxmd.com/read/22321402/use-of-a-three-curved-rocker-sole-shoe-modification-to-improve-intermittent-claudication-calf-pain-a-pilot-study
#16
RANDOMIZED CONTROLLED TRIAL
Stephen William Hutchins, Gwen Lawrence, Stephen Blair, Andrey Aksenov, Richard Jones
This was a pilot study utilizing hospital-based walking trials to compare two footwear conditions. Two pairs of identical therapeutic shoes were ordered for volunteer claudicant subjects. One pair was adapted with a specifically designed three-curve rocker sole. Volunteer claudicant subjects (n = 8, mean age 66 +/- 9.9 years) with stable pain-free distances of 10-400 meters to calf claudication pain were recruited into the study. Walking trials were used to compare differences in both the pain-free distance to claudication and the intensity of the calf pain once claudicating exhibited by each subject while walking separately with the two footwear conditions during the same clinical session...
March 2012: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/22079403/gait-characteristics-when-walking-with-rounded-soft-sole-shoes
#17
COMPARATIVE STUDY
Tomohiro Demura, Shin-ichi Demura, Shunsuke Yamaji, Takayoshi Yamada, Tamotsu Kitabayashi
This study aimed to examine the effect of shoes with a rounded soft sole (Stretch Walker: SW) on gait. Fifteen healthy male (mean age: 23.2) walked under three conditions (SW, Flat-bottomed Shoe: FS, Barefoot: BF). Including walking speed, stance time, step length were selected as temporal-spatial parameters. The angle of hip, knee, and ankle joints during particular phases were selected as kinematic parameters. Walking speed, stance time, step length and flexion angle of the ankle joint at initial contact were greater when wearing either shoe than walking BF; cadence was faster walking BF than wearing either shoe; double support time increased (FS>SW>BF); step width was greater (FS>SW>BF); walking angle was greater wearing the SW than wearing the FS and walking BF; and range of motion and maximum flexion angle of the hip and knee joints were greater wearing the FS than walking BF...
March 2012: Foot
https://www.readbyqxmd.com/read/22076094/rocker-bottom-profile-type-shoes-do-not-increase-lower-extremity-muscle-activity-or-energy-cost-of-walking
#18
Antonio S Santo, Jenevieve L Roper, Janet S Dufek, John A Mercer
The purpose of this study was to determine if wearing rocker-bottom shoes with compliant midsoles (RB) influences muscle activity and metabolic cost of walking. Furthermore, we sought to determine if weight differences between shod conditions accounted for any potential change. Twenty-eight subjects (17 women, 11 men, age 22.8 ± 6.6 years; weight 72 ± 20 kg; height 170 ± 6.7 cm; percent body fat 23.0 ± 11.7) walked on a treadmill (0% grade) for 10 minutes at a self-selected speed plus 10% (1.3 ± 0.2 m·s) in each of the following laboratory-provided shoes: flat-bottomed shoe (W), flat-bottomed shoe weight-matched to RB (WM), and RB...
September 2012: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/20626257/investigations-of-roll-over-shape-implications-for-design-alignment-and-evaluation-of-ankle-foot-prostheses-and-orthoses
#19
Andrew H Hansen, Dudley S Childress
PURPOSE: The purpose of this article is to provide an overview of our previous work on roll-over shapes, which are the effective rocker shapes that the lower limb systems conform to during walking. METHOD: This article is a summary of several recently published articles from the Northwestern University Prosthetics Research Laboratory and Rehabilitation Engineering Research Program on the topic of roll-over shapes. The roll-over shape is a measurement of centre of pressure of the ground reaction force in body-based coordinates...
2010: Disability and Rehabilitation
https://www.readbyqxmd.com/read/20573430/metabolic-cost-and-mechanical-work-during-walking-after-tibiotalar-arthrodesis-and-the-influence-of-footwear
#20
S J P M van Engelen, Q E Wajer, L W van der Plaat, H C Doets, C N van Dijk, H Houdijk
BACKGROUND: This study examined metabolic energy cost and external mechanical work for step-to-step transitions after tibiotalar arthrodesis, and the effect of MBT rocker bottom shoes. METHODS: Oxygen uptake, forceplate and kinematic data were recorded in 18 controls and 15 patients while walking at a fixed speed of 1.25 m/s in three walking conditions: barefoot, normal walking shoes and MBT rocker bottom shoes. Metabolic energy cost, external mechanical work, and the roll-over shape of the ankle-foot complex were analyzed...
October 2010: Clinical Biomechanics
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