Markus Tilp

Markus Tilp
Karl-Franzens-Universität Graz | KFU Graz · Institute of Human Movement Science Sport and Health

Professor

About

145
Publications
115,533
Reads
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1,952
Citations
Citations since 2017
97 Research Items
1590 Citations
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Introduction
Skills and Expertise
Additional affiliations
October 2014 - present
Karl-Franzens-Universität Graz
Position
  • Professor (Full)

Publications

Publications (145)
Article
Full-text available
Integrating physical activity interventions at the workplace can have positive effects on the employees’ health. This study aimed to evaluate a physical activity break with coordinative exercises (PAB) including juggling and balance tasks and to assess its effects on motor abilities. Thirty-two university employees were randomly allocated to an int...
Article
Full-text available
Although it is well known that foam rolling (FR) of the lower extremities can increase the range of motion (ROM) of a joint while likely having no detrimental effect on muscle performance, to date, this is not clear if this is the case for the upper body. Therefore , the purpose of this study was to analyze the effects of a 2-min FR intervention of...
Article
Full-text available
Studies have reported that a stiff triceps surae muscle and tendon-aponeurosis and also a more compliant quadriceps muscle and tendon-aponeurosis, are related to lower oxygen cost during running. However, to date, no study has investigated in a single experiment how oxygen cost during running is related to the stiffness of the free tendons (Achille...
Article
Full-text available
This study analysed self-reported musculoskeletal symptoms and training characteristics of high-performance Brazilian beach handball athletes. In a cross-sectional study, 28 men (mean (standard deviation), age: 23 (5) years, body mass: 81.9 (14.4) kg, height: 181.3 (8.6) cm, experience: 13.3 (5.4) years) and 27 women (mean (standard deviation), age...
Article
CISS welcomes and encourages articles addressing a broad range of topics across sport science which include but is not limited to genetic, biological, physical, physiological, psychological, pedagogical, sociological, environmental, policy among other aspects. In this editorial, we highlight several topics of interest for each of our sections withi...
Conference Paper
NTRODUCTION. Foam rolling and stretching with its various techniques are frequently used as a warm-up routine to increase the range of motion (ROM) of a joint (Wilke et al., 2020). However, possible differences in the magnitude of change on ROM and physical performance (e.g. strength, jump height) between these two interventions are not yet wel...
Article
Full-text available
Previous studies reported that both a more compliant quadriceps tendon and a stiffer Achilles tendon are associated with better running economy. While tendon stiffness can be decreased by a single bout of proprioceptive neuromuscular facilitation (PNF), post-stretching dynamic activities (PSA) can counteract the potential stretch-induced force loss...
Article
Full-text available
Artificial neural networks (ANN) are able to detect patterns in sports games. The aim of the present study is to predict the setting speed and its target area within the complex I in volleyball using ANN. For the analysis, 289 rallies from one setter of the 2nd Austrian Volleyball League Women were considered. Player positions and ball trajectory d...
Article
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Purpose During a cognitive effort, an increase in cortical electrical activity, functional alterations in the anterior cingulate cortex, and modifications in cortical inputs to the active motor units have been reported. In light of this, an increase in tremor could be anticipated as result of a mental task. In the present work, we tested this hypot...
Article
Full-text available
Stretching is considered a clinically effective way to prevent muscle contracture development in children with spastic cerebral palsy (CP). Therefore, in this study, we assessed the effects of a single session of proprioceptive neuromuscular facilitation (PNF) or static stretching (SS) on ankle joint range of motion (RoM) and gastrocnemius muscle-t...
Poster
Full-text available
Proprioceptive neuromuscular facilitation stretching (PNF) incorporates static stretching and isometric contractions in a cyclical pattern. To overcome detrimental effects on performance parameters after stretching, post-stretching activities (PSA) were suggested [1]. During most stretch intervention studies testing for performance, all task-relate...
Poster
Full-text available
Methods: • 25 healthy male participants (mean ± SD; 27.62±6.63 years; 83.72±11.75 kg; 184.36±7.68 cm) • Cross-over design with 48 h break in between randomly assigned to static stretching (SS) or vibration foam rolling (VFR) group • Intervention duration: 2 min without break • Parameters assessed pre-and post-intervention: − Shear modulus of 3...
Article
Full-text available
In the last decades, indoor volleyball has experienced significant rule changes and a high player specialization in both sexes. Different spike attack arm swing techniques have developed which might affect performance and risk of injury. While a variety of arm swing techniques was already shown in world class beach volleyball players, it is unclear...
Conference Paper
INTRODUCTION: In the last decade foam rolling has become a popular technique in sports practice (1). A recent meta-analysis showed that a single foam rolling exercise can acutely increase the range of motion (ROM) of a joint (2). However, evidence on the training effects of foam rolling on joint ROM, is limited and inconsistent (3,4). Hence, there...
Article
Full-text available
Purpose Stretching and foam rolling are common warm-up exercises and can acutely increase the range of motion (ROM) of a joint. However, possible differences in the magnitude of change on ROM between these two interventions on the immediate and prolonged effects (e.g., 10 min after the intervention) are not yet well understood. Thus, the purpose of...
Article
Full-text available
Purpose Human muscle–tendon units (MTUs) are highly plastic and undergo changes in response to specific diseases and disorders. To investigate the pathological changes and the effects of therapeutic treatments, the use of valid and reliable examination methods is of crucial importance. Therefore, in this study, a simple 3D ultrasound approach was d...
Article
Full-text available
Knee extension and hip flexion range of motion (ROM) and functional performance of the hamstrings are of great importance in many sports. The aim of this study was to investigate if static stretching (SS) or vibration foam rolling (VFR) induce greater changes in ROM, functional performance, and stiffness of the hamstring muscles. Twenty-five male v...
Article
Full-text available
Background A single foam-rolling exercise can acutely increase the range of motion (ROM) of a joint. However, to date the adaptational effects of foam-rolling training over several weeks on joint ROM are not well understood. Objective The purpose of this meta-analysis was to investigate the effects of foam-rolling training interventions on joint R...
Article
Full-text available
To overcome a possible drop in performance following longer stretch durations (>60 s), post-stretching dynamic activities (PSA) can be applied. However, it is not clear if this is true for isolated proprioceptive neuromuscular facilitation (PNF) stretching of different muscle groups (e.g., triceps surae and quadriceps). Thus, 16 participants perfor...
Article
Full-text available
Foam rolling (FR) is a common intervention used as a warm-up to increase the range of motion (ROM) of a joint, without changes in subsequent performance. It has been shown that, in similar techniques (e.g., stretching), an additional intense warm-up can lead to performance potentiation. However, to date, it is not clear if this also holds true for...
Preprint
Full-text available
Biomechanical and clinical gait research observes muscles and tendons in limbs to study their functions and behaviour. Therefore, movements of distinct anatomical landmarks, such as muscle-tendon junctions, are frequently measured. We propose a reliable and time efficient machine-learning approach to track these junctions in ultrasound videos and s...
Article
Background It is well known that different exercise intensities for the ankle muscles can impair postural stability. However, it remains unclear whether it is low-intensity exercises (which primarily induce central fatigue) or high-intensity exercises (which primarily induce peripheral fatigue) that have a greater effect on voluntary postural contr...
Article
Full-text available
Biomechanical and clinical gait research observes muscles and tendons in limbs to study their functions and behaviour. Therefore, movements of distinct anatomical landmarks, such as muscle-tendon junctions, are frequently measured. We propose a reliable and time efficient machine-learning approach to track these junctions in ultrasound videos and s...
Article
Full-text available
Treatment strategies and training regimens, which induce longitudinal muscle growth and increase the muscles’ length range of active force exertion, are important to improve muscle function and to reduce muscle strain injuries in clinical populations and in athletes with limited muscle extensibility. Animal studies have shown several specific loadi...
Article
Purpose: Reported relationships between electromyographic (EMG) thresholds and systemic thresholds based on lactate, ventilation, or heart rate are contradictory. This might be related to the complexity of the investigated whole-body movements involving many muscles with different activation patterns. Therefore, the aim of the study was to investi...
Article
Full-text available
Foam rolling and stretching with its various techniques are frequently used as a warm-up routine to increase the range of motion of a joint. While the magnitude of the changes in range of motion between foam rolling and stretching (static and dynamic techniques) is similar, it is not clear if this also holds true for performance parameters (e.g., s...
Article
Full-text available
The purpose of this study was to quantify the coordination between agonist and antagonist elbow muscles during squash backhand crosscourt shots in adult female players. Ten right-handed, international-level, female squash players participated in the study. The electrical muscle activity of two right elbow agonist/antagonist muscles, the biceps brac...
Article
Full-text available
A single proprioceptive neuromuscular facilitation (PNF) stretching exercise can increase the range of motion (ROM) of a joint but can lead to a decrease in performance immediately after the stretching exercise. Post-stretching activation (PSA) exercises are known as a possible way to counteract such a drop in performance following a single stretch...
Conference Paper
INTRODUCTION: A single proprioceptive neuromuscular (PNF) stretching exercise can acutely increase the range of motion of a joint (2), but might also lead to a decrease in performance immediately after the stretch (1, 2). Post-Stretching-Activation (PSA) exercises are known as a possible tool to counteract such a drop in performance following a s...
Poster
INTRODUCTION: Foam rolling and stretching are frequently used as a warm-up routine to increase the range of motion of a joint. While the magnitude of the changes in range of motion between foam rolling and stretching is similar [1], it is not clear if this also holds true for performance parameters (e.g. strength, jump height). Therefore, the purpo...
Article
Full-text available
Although it is well known that both stretching and foam rolling can acutely increase the range of motion (ROM) and affect performance , the effects of a combined treatment (foam rolling and stretching) are not yet clear. Hence, the purpose of this meta-analysis was to compare the combined effect to that of stretching or foam rolling alone on both R...
Article
Full-text available
Although the effect of ankle muscles on postural control and muscle synergies has well been investigated, it is needed to study more about the contribution of central and peripheral fatigue of submaximal contractions on postural control and muscle synergies. The aim of this study was to investigate the effect of submaximal fatiguing exercise that i...
Conference Paper
Full-text available
Our study extends previous research by proposing a lightweight, AI based method to assess muscle and tendons unit (MTU) behaviour during fast locomotion. We demonstrate that our method does not significantly differ from the current gold-standard.
Article
The spike attack is one of the most important skills in beach volleyball, and as an overarm movement, places significant load on the shoulder joint that could lead to increased risk of injury. An analysis of the different techniques used by elite athletes could provide important insights regarding the etiology of these injuries. This study aimed to...
Article
Full-text available
Purpose The purpose of the study was to investigate the effects of using a vibration foam roll (VFR) or a non-vibration foam roll (NVFR) on maximum voluntary isometric contraction peak torque (MVIC), range of motion (ROM), passive resistive torque (PRT), and shear modulus. Methods Twenty-one male volunteers visited the laboratory on two separate d...
Article
Full-text available
The purpose of this study was to determine the muscle activation and co-activation of selected muscles during the kettlebell single arm swing exercise. To the best of our knowledge, this is the first study investigating the muscle co-activation of a kettlebell single arm swing exercise. Nine volunteers participated in the present study (age: 22.6 ±...
Article
Full-text available
Abstract Purpose: The aim of this study was to compare the effects of maximal and submaximal fatiguing contractions on voluntary postural stability and muscle synergies. Methods: Following isometric maximum voluntary contraction (IMVC) tests, 12 volunteers randomly performed submaximal and maximal fatiguing contractions of the plantar flexors. Bef...
Article
Full-text available
Vertical jumps are of great importance as a performance predictor for many types of sports that require speed and agility. However, to date, it is not clear if flexibility and/or the strength of the different leg muscles are determinants for countermovement jump (CMJ) performance. Therefore, the purpose of this study was to relate isometric maximum...
Article
Full-text available
The hip flexor muscles are major contributors to lumbar spine stability. Tight hip flexors can lead to pain in the lumbar spine, and hence to an impairment in performance. Moreover, sedentary behavior is a common problem and a major contributor to restricted hip extension flexibility. Stretching can be a tool to reduce muscle tightness and to overc...
Article
Full-text available
One determining factor for running performance is running economy (RE), which can be quantified as the steady-state oxygen consumption at a given running speed. Stretching is frequently applied in sports practice and has been widely investigated in recent years. However, the effect of stretching on RE and performance is not clear. Thus, the purpose...
Article
Full-text available
Background Cerebral palsy (CP) is the most common motor and movement disability in childhood. The mechano-morphological alterations of the spastic muscle itself as well as the functional limitations in CP are well documented. However, the relationship between muscle tendon properties and functional tests in CP remains unknown. Research question Th...
Article
Full-text available
The purpose of this study was to investigate the effects of a single floss band treatment of the thigh on hip and knee range of motion (ROM), knee extensor passive resistive torque (PRT), knee extensor maximum voluntary contraction (MVC) torque, and countermovement jump (CMJ) height. Sixteen healthy male volunteers were tested before and after both...
Article
Full-text available
Handheld percussive massage treatment has gained popularity in recent years, for both therapeutic use and in sports practice. It is used with the goals of increasing flexibility and performance, but also to accelerate recovery. However, until now, there has been no scientific evidence, which proves such effects. Therefore, the purpose of this study...
Article
Full-text available
The main factors for home advantage (HA), quantified by the number of points won at home expressed as a percentage of all points, are believed to be crowd support, territoriality, familiarity, and travel fatigue. In 2020, the German Soccer Bundesliga interrupted its championship due to the Covid-19 pandemic after 25 rounds and the last nine rounds...
Conference Paper
INTRODUCTION: Depending on the stretching duration and intensity, a single static stretching exercise likely affects muscle function and/or structure immediately after the stretch (1). However, the relationship between static stretching durations and changes in the muscle-tendon-unit (MTU) function and structure several minutes after the stretching...
Poster
INTRODUCTION: Muscle performance is positively related to muscle size (1) and tendon stiffness (2). Joint flexibility in the hip correlates with muscle stiffness (3). However, so far it is not yet well understood if and how muscle stiffness is related to muscle performance parameters such as flexibility, isometric and dynamic strength, especially i...
Article
Full-text available
Spastic cerebral palsy (SCP) affects neural control, deteriorates muscle morphometrics, and may progressively impair functional walking ability. Upon passive testing, gastrocnemius medialis (GM) muscle bellies or fascicles are typically shorter, thinner, and less extensible. Relationships between muscle and gait parameters might help to understand...
Conference Paper
There is recent experimental evidence that sarcomere strain behavior is highly heterogeneous across and between muscle structures. Hence, considering the hierarchical architecture of muscles, also the behavior of all acting muscle substructures is effected. However, typical investigations are limited to ex-vivo experiments or pose serious limitatio...
Article
Full-text available
It is often suggested that stretching-related changes in performance can be partially attributed to stretching-induced neural alterations. Recent evidence though shows that neither spinal nor cortico-spinal excitability are susceptible of a long-lasting effect and only the amplitude of stretch or tap reflex (TR) is reduced up to several minutes. Si...
Conference Paper
Recording muscle tendon junction displacements during movement, allows separate investigation of the muscle and tendon behaviour, respectively. In order to provide a fully-automatic tracking method, we employ a novel deep learning approach to detect the position of the muscle tendon junction in ultrasound images. We utilize the attention mechanism...
Preprint
Full-text available
Recording muscle tendon junction displacements during movement, allows separate investigation of the muscle and tendon behaviour, respectively. In order to provide a fully-automatic tracking method, we employ a novel deep learning approach to detect the position of the muscle tendon junction in ultrasound images. We utilize the attention mechanism...
Article
Full-text available
The purpose of this study was to investigate the time course of the changes of various muscle and tendon mechanical properties and the function responses of the plantar flexor muscles following 1 min of static stretching. Twenty-five healthy volunteers were assigned into a static stretching group or a control group. The static stretching group was...
Article
Full-text available
While the time course of muscle-tendon unit (MTU) function and structure following short (1 min) and long (5 min) durations of static stretching has already been investigated, less is known about medium stretch durations. Therefore, the purpose of this study was to investigate the time course of these parameters following 3 min of static stretching...
Preprint
Full-text available
In a systematic review, we investigate current applications of ultrasound in locomotion research. Shortcomings in the range of view of ultrasound systems affect the direct validation of musculoskeletal simulations as inverse approaches have to be applied. We present currently used methods to estimate muscle and tendon length in human plantarflexors...
Article
Full-text available
The volleyball spike represents one of the more sophisticated attack actions, and the study of its kinematics has been the aim of several studies. This systematic review summarized and critically appraised the literature on the volleyball spike kinematics. Studies that analysed the 3D kinematics of the volleyball player during spike movements were...
Article
Zusammenfassung Handball zeichnet sich durch eine Abfolge von langsamen Spielzügen und extrem schnellen Aktionen aus. Wegen der Würfe aus der Hand liegt die Ballgeschwindigkeit deutlich unter der anderer Ballsportarten wie Fußball oder Tennis. Die Wurftechnik, besonders im Sprung, ist eine Abfolge von Drehbewegungen des Oberkörpers und nachfolgende...
Article
Full-text available
Physical activity has not only been associated with increased physical and mental health, but also with beneficial effects on various cognitive and brain functions. This study investigated the effects of a motor and coordination oriented exercise intervention on academic achievements, attention/concentration ability, and on different facets of crea...
Article
Full-text available
Movement science investigating muscle and tendon functions during locomotion utilizes commercial ultrasound imagers built for medical applications. These limit biomechanics research due to their form factor, range of view, and spatio-temporal resolution. This review systematically investigates the technical aspects of applying ultrasound as a resea...
Article
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In this target article (TA; CISS_2017_007), Benno M. Nigg, Maurice M. Mohr, and Sandro R. Nigg explain and criticize the two main paradigms (‘impact’ and ‘pronation’) in running injury prevention research of the last 40 years and present new paradigms on ‘muscle tuning’, ‘preferred movement path’, and ‘functional groups’. The main article (CISS2017...
Article
The spike is the most frequent type of attack in elite beach volleyball. The aim of this study was to investigate the arm swing techniques during the spike of world elite beach volleyball players. Ninety-six male players were analysed using video recordings from the 2017 Beach Volleyball World Championship. The arm swing movement techniques (bow-an...
Article
Full-text available
A three-week unicycling training was associated with (1) reductions of gray matter volume in regions closely linked to visuospatial processes such as spatial awareness, (2) increases in fractional anisotropy primarily in the right corticospinal tract and in the right forceps major of the corpus callosum, and (3) a slowly evolving increase in cortic...
Article
Full-text available
The purpose of this study was to investigate the time course of the changes of muscle-tendon mechanical properties and the function responses of the plantar flexor muscles following 5 × 60 s of static stretching. Fourteen healthy volunteers were tested on four separate days in a random order with three different rest times (0, 5, 10 min) after 5 ×...
Article
Full-text available
Objectives: Corticospinal tract excitability and spinal reflex pathways are transiently affected by short applications of static stretching. However, it remains unclear whether the duration and magnitude of these neurophysiological responses can be increased with a longer duration of the applied stretch. The purpose of this study was to investigat...
Article
Purpose: The purpose of this study was to investigate the effects of functional progressive resistance training (PRT) and high-intensity circuit training (HICT) on the mechano-morphological properties of the plantar flexor muscle-tendon unit in children with spastic cerebral palsy. Methods: Twenty-two children (12.8 [2.6] y old, Gross Motor Func...
Article
Full-text available
Following publication of the original article [1], the author requested for an acknowledgement to retrospectively be added to the 'Acknowledgements' section of the article [1].