Ewald M Hennig

• Professor
• Professor at Queensland University of Technology

Background People living with Parkinson's disease (PD) commonly experience heat sensitivity—worsening symptoms and restricted daily activities in heat. Objective This study aimed to develop a scale of heat sensitivity for people with PD. Methods Through a search of the scientific literature and online forums, we developed 41 items relating to exp...

Examining how heat affects people with Parkinson’s disease is essential for informing clinical decision-making, safety, well-being, and healthcare planning. While there is evidence that the neuropathology associated with Parkinson’s disease affects thermoregulatory mechanisms, little attention has been given to the association of heat sensitivity t...

Background It is unclear how dual-task gait influences the lower limb range of motion (RoM) in people with Parkinson’s disease (PD) and freezing of gait (FOG). The lower limb kinematics during dual-task gait might differ from regular gait, but during what events in the gait cycle? Methods This is an observational within-subjects study. Thirty-two...

Background: Impairments of functional mobility may affect locomotion and quality of life in subjects with Parkinson's disease (PD). Movement smoothness measurements, such as the spectral arc length (SPARC), are novel approaches to quantify movement quality. Previous studies analyzed SPARC in simple walking conditions. However, SPARC outcomes durin...

The consequences of falls, costs, and complexity of conventional evaluation protocols have motivated researchers to develop more effective balance assessments tools. Healthcare practitioners are incorporating the use of mobile phones and other gadgets (smartphones and tablets) to enhance accessibility in balance evaluations with reasonable sensitiv...

High power piezoelectric devices are often subjected to external mechanical biases, in applications such as underwater transducers. While the performance of these devices under external pressure has been rather extensively studied, there is a lack of study on the loss mechanism in terms of three dielectric, elastic, and piezoelectric losses. Thus,...

During a continuously increasing exercise workload (WL) a point will be reached at which arterial lactate accumulates rapidly. This so-called lactate threshold (LT) is associated with the maximal lactate steady state workload (MLSSW), the highest WL, at which arterial lactate concentration [LA] does not change. However, the physiological range in w...

"Football Biomechanics explores the latest knowledge of this core discipline in sport science across all codes of the sport. Encompassing a variety of styles, including original scientific studies, syntheses of the latest research, and position statements, the text offers readers the most up-to-date and comprehensive reference of the underlying mec...

The purpose of this study was to investigate which biomechanical footwear properties are related to shoe quality judgement by runners. Methods Four shoe surveys with an identical testing protocol were selected for our analysis. Experienced runners (20–25) ran in each shoe model a distance of 10 km on a specified course with varying terrain. Subjec...

Background The peroneal muscles are the most effective lateral stabilisers whose tension braces the ankle joint complex against excessive supination. The purpose of this study was to identify the morphological and biomechanical effects of two machine-based shank muscle training methods. Methods Twenty-two healthy male recreationally active sports...

Whole-body vibration (WBV) training has become popular in recent years. However, WBV may be harmful to the human body. The goal of this study was to determine the acceleration magnitudes at different body segments for different frequencies of WBV. Additionally, vibration sensation ratings by subjects served to create perception vibration magnitude...

Fragstellung: Das femoroacetabuläre Impingement (FAI) tritt gehäuft beim jungen männlichen Athleten auf. Die Ganganalyse ist bei Athleten mit erhöhtem Alphawinkel nicht biomechanisch untersucht. In unserer Studie wurde der Alphawinkel nach Nötzli bei Fußballspielern durch axiale MRT-Sequenzen bestimmt. Ziel dieser Studie ist die Rückfußbewegung und...

Soccer has become the most popular sport across the globe. Players would agree that footwear has a large influence on the game of soccer. Shoe traction properties determine the speed of the game, and various shoe stud configurations are optimised for wet and dry ground conditions. Questionnaires show that comfort is the most desirable shoe feature...

Editorial Introduction Soccer history books claim that the innovative football boots of the German team had a great influence on win- ning the final game against Hungary in the 1954 world cup, held in Switzerland. The ‘Golden Team’ of Hungary had not been beaten for four consecutive years and Germany was believed to have no chance of winning the ga...

Femoroacetabular impingement (FAI) is predominant in young male athletes, but not much is known about gait differences in cases of increased hip alpha angles. In our study, the hip alpha angle of Notzli of soccer players was quantified on the basis of magnetic resonance imaging (MRI) with axial oblique sequences. The aim of the current study was to...

To date, there is a lack of research on gender-specific soccer footwear, even though there are biological differences as well as differences in playing behaviour among female and male players. This paper discusses criteria that are important for the development of women-specific soccer shoes. Females are different in size and body composition and d...

Degradation of the somatosensory system has been implicated in postural instability and increased falls risk for older people and Parkinson's disease (PD) patients. Here we demonstrate that textured insoles provide a passive intervention that is an inexpensive and accessible means to enhance the somatosensory input from the plantar surface of the f...

Footwear Science, 2014. doi:10.1080/19424280.2013.873486

The peroneal muscles are the most effective lateral stabilisers whose tension braces the ankle joint complex against excessive supination. The purpose of this study was to identify the morphological and biomechanical effects of two machine-based shank muscle training methods. Twenty-two healthy male recreationally active sports students performed t...

Several studies showed changes in motor control performance following whole-body vibrations. It is difficult to compare the results and conclusions from studies in the literature, because they often use different experimental protocols. We conducted a series of four studies with a similar protocol to investigate the acute effect of whole-body vibra...

Introduction: Various instability shoe concepts have been promoted by claiming several positive effects. As a result, the elderly have become especially interested in wearing these shoes to train their postural balance. So far, many of the promoted claims have not been proven. This study aimed to identify the effects of different unstable shoe cons...

The somatosensory system plays an important role in balance control and age-related declines in somatosensory function have been implicated in falls incidence. Different types of insole devices have been developed to enhance somatosensory information and improve postural stability. However, they are often too complex and expensive to integrate into...

Introduction: Women´s soccer became increasingly popular in recent years. Hence, the number of female soccer players is growing. Nowadays, there is also more research focussing on women´s soccer. However, up to now the development of specific women soccer shoes is addressed very little. Therefore, a survey was performed to explore which characteris...

Although soccer is the most popular sport in the world, little research has been published in the field of soccer biomechanics, particularly on the importance of footwear for the game. The traction properties of soccer shoes on natural and artificial turf have been speculated to be responsible for acute and chronic injuries in soccer. This article...

From 1991 to 2009 nine running shoe tests with a total of 156 shoe models were performed in our laboratory. Using an identical testing protocol, a material, a biomechanical and a field test were combined for comprehensive evaluation of footwear properties. We found that an impacter test is of limited value to predict the shock attenuation propertie...

Nordic walking (NW) was compared with walking (W) and running (R) with respect to upper and lower limb injury risks. 24 NW-instructors performed W, NW, and R trials on a runway covered with artificial turf at controlled speeds. Foot pronation and ground reaction forces were measured as well as shock wave transmission to the right wrist. Comparison...

Einleitung: Vibrationsplattformen werden vorwiegend als alternative Kraftsportgerä-te mit höherer Effizienz bzw. als Reha Instrumentarium beworben. Haas (2008) be-schreibt in einem Literaturrückblick, dass Ganzkörpervibrationen (GKV) ebenfalls einen Einfluss auf motorische Kontrollvorgänge bei Bewegungen haben.

The purpose of this study was to investigate the effects of four lacing patterns (one regular, one tight, and two seven-eyelet lacings) on dorsal foot pressures during running and the perception of comfort and stability with 14 male rearfoot runners. By using a pressure insole, peak dorsal pressures were measured under the shoe's tongue. Highest pe...

Contrary to the large amount of literature results for running footwear surprisingly little research has been published for soccer shoes. Therefore, this contribution will summarize established knowledge and discuss future possibilities in soccer shoe design, based on biomechanical research. Game analyses over the years demonstrate that soccer has...

Women's soccer becomes increasingly popular. Although there is an obvious difference between the men's and women's game no information is available in quantifying these differences to date. Therefore, video analyses of the finals, semi-finals and quarterfinals of the world championship of the men in Korea/Japan (2002) and of the women in USA (2003)...

It is known that when barefoot, gait biomechanics of diabetic neuropathic patients differ from non-diabetic individuals. However, it is still unknown whether these biomechanical changes are also present during shod gait which is clinically advised for these patients. This study investigated the effect of the participants own shoes on gait biomechan...

INTRODUCTION Good running shoes shall be comfortable and prevent overuse injuries by providing good shock absorption properties and counteract excessive pronation. Depending on individual anatomy and running style cushioning or stability running shoes are recommended. Deterioration of shoe properties has been documented by mechanical tests [1] and...

Nordic walking (NW) was compared with walking (W) and running (R) with respect to upper and lower limb injury risks. 24 NW-instructors performed W, NW, and R trials on a runway covered with artificial turf at controlled speeds. Foot pronation and ground reaction forces were measured as well as shock wave transmission to the right wrist. Comparison...

Mechanoreceptors in the skin provide sensory input for the central nervous system about foot placement and loading. This information is used by the brain to actively control or regain balance and is important to establish memory traces for subsequent movement. A sensitivity map of the human foot could help to understand the mechanisms of the foot a...

The purpose of this study was to investigate the ankle range of motion during neuropathic gait and its influence on plantar pressure distribution in two phases during stance: at heel-strike and at push-off. Thirty-one adults participated in this study (control group, n=16; diabetic neuropathic group, n=15). Dynamic ankle range of motion (electrogon...

Diabetic neuropathy leads to progressive loss of sensation, lower-limb distal muscle atrophy, autonomic impairment, and gait alterations that overload feet. This overload has been associated with plantar ulcers even with consistent daily use of shoes. We sought to investigate and compare the influence of diabetic neuropathy and plantar ulcers in th...

To investigate and compare the influence of a previous history of foot ulcers on plantar pressure variables during gait of patients with diabetic neuropathy. Foot ulcers may be an indicator of worsening diabetic neuropathy. However, the behavior of plantar pressure patterns over time and during the progression of neuropathy, especially in patients...

Soccer shoes in general but especially their outsoles are important for running and consequently playing performance. This article aims to quantify running performance and perception of running performance due to type of footwear and surface condition by use of Functional Traction Courses (FTC). Soccer players were required to run through slalom an...