Search Results - "Beek, Peter J"

Steps to take to enhance gait stability: the effect of stride frequency, stride length, and walking speed on local dynamic stability and margins of stability by Hak, Laura, Houdijk, Han, Beek, Peter J, van Dieën, Jaap H

“…The purpose of the current study was to investigate whether adaptations of stride length, stride frequency, and walking speed, independently influence local…”
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Persistent fluctuations in stride intervals under fractal auditory stimulation by Marmelat, Vivien, Torre, Kjerstin, Beek, Peter J, Daffertshofer, Andreas

“…Stride sequences of healthy gait are characterized by persistent long-range correlations, which become anti-persistent in the presence of an isochronous…”
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Daily-Life Gait Quality as Predictor of Falls in Older People: A 1-Year Prospective Cohort Study by van Schooten, Kimberley S, Pijnappels, Mirjam, Rispens, Sietse M, Elders, Petra J M, Lips, Paul, Daffertshofer, Andreas, Beek, Peter J, van Dieën, Jaap H

“…Falls can have devastating consequences for older people. We determined the relationship between the likelihood of fall incidents and daily-life behavior. We…”
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Physical Performance and Physical Activity in Older Adults: Associated but Separate Domains of Physical Function in Old Age by van Lummel, Rob C, Walgaard, Stefan, Pijnappels, Mirjam, Elders, Petra J M, Garcia-Aymerich, Judith, van Dieën, Jaap H, Beek, Peter J

“…Physical function is a crucial factor in the prevention and treatment of health conditions in older adults and is usually measured objectively with physical…”
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Reliability and Validity of Running Cadence and Stance Time Derived from Instrumented Wireless Earbuds by Nijs, Anouk, Beek, Peter J., Roerdink, Melvyn

“…Instrumented earbuds equipped with accelerometers were developed in response to limitations of currently used running wearables regarding sensor location and…”
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Avoiding 3D Obstacles in Mixed Reality: Does It Differ from Negotiating Real Obstacles? by Coolen, Bert, Beek, Peter J, Geerse, Daphne J, Roerdink, Melvyn

“…Mixed-reality technologies are evolving rapidly, allowing for gradually more realistic interaction with digital content while moving freely in real-world…”
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The Instrumented Sit-to-Stand Test (iSTS) Has Greater Clinical Relevance than the Manually Recorded Sit-to-Stand Test in Older Adults by van Lummel, Rob C, Walgaard, Stefan, Maier, Andrea B, Ainsworth, Erik, Beek, Peter J, van Dieën, Jaap H

“…The ability to rise from sitting to standing is critical to an individual's quality of life, as it is a prerequisite for functional independence. The purpose…”
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Neural synchrony within the motor system: what have we learned so far? by van Wijk, Bernadette C M, Beek, Peter J, Daffertshofer, Andreas

“…Synchronization of neural activity is considered essential for information processing in the nervous system. Both local and inter-regional synchronization are…”
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Speeding up or slowing down?: Gait adaptations to preserve gait stability in response to balance perturbations by Hak, Laura, Houdijk, Han, Steenbrink, Frans, Mert, Agali, van der Wurff, Peter, Beek, Peter J, van Dieën, Jaap H

“…Highlights ► The effect of balance perturbations on walking speed, step length, step frequency, and step width was measured. ► Besides, short-term Lyapunov…”
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Regularity of center-of-pressure trajectories depends on the amount of attention invested in postural control by DONKER, Stella F, ROERDINK, Melvyn, GREVEN, An J, BEEK, Peter J

“…The influence of attention on the dynamical structure of postural sway was examined in 30 healthy young adults by manipulating the focus of attention. In line…”
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Predicting dive start performance from kinematic variables at water entry in (sub-)elite swimmers by van Dijk, Marit P, Beek, Peter J, van Soest, A J Knoek

“…The dive start is an important component of competitive swimming, especially at shorter race distances. Previous research has suggested that start performance…”
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The effects of arm swing on human gait stability by Bruijn, Sjoerd M, Meijer, Onno G, Beek, Peter J, van Dieën, Jaap H

“…Arm swing during human gait has been shown to reduce both angular momentum about the vertical and energy expenditure, and has been hypothesized to enhance gait…”
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Walk to me when I smile, step back when I’m angry: emotional faces modulate whole-body approach–avoidance behaviors by Stins, John F., Roelofs, Karin, Villan, Jody, Kooijman, Karen, Hagenaars, Muriel A., Beek, Peter J.

“…Facial expressions are potent social cues that can induce behavioral dispositions, such as approach–avoidance tendencies. We studied these tendencies by asking…”
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How to Sync to the Beat of a Persistent Fractal Metronome without Falling Off the Treadmill? by Roerdink, Melvyn, Daffertshofer, Andreas, Marmelat, Vivien, Beek, Peter J

“…In rehabilitation, rhythmic acoustic cues are often used to improve gait. However, stride-time fluctuations become anti-persistent with such pacing, thereby…”
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Older Adults with Weaker Muscle Strength Stand up from a Sitting Position with More Dynamic Trunk Use by van Lummel, Rob C, Evers, Jordi, Niessen, Martijn, Beek, Peter J, van Dieën, Jaap H

“…The ability to stand up from a sitting position is essential for older adults to live independently. Body-fixed inertial sensors may provide an approach for…”
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Optimal stride frequencies in running at different speeds by van Oeveren, Ben T, de Ruiter, Cornelis J, Beek, Peter J, van Dieën, Jaap H

“…During running at a constant speed, the optimal stride frequency (SF) can be derived from the u-shaped relationship between SF and heart rate (HR). Changing SF…”
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Statistical precision and sensitivity of measures of dynamic gait stability by Bruijn, Sjoerd M., van Dieën, Jaap H., Meijer, Onno G., Beek, Peter J.

“…Recently, two methods for quantifying a system's dynamic stability have been applied to human locomotion: local stability (quantified by finite time maximum…”
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Characteristics of instructed and uninstructed interpersonal coordination while walking side-by-side by van Ulzen, Niek R., Lamoth, Claudine J.C., Daffertshofer, Andreas, Semin, Gün R., Beek, Peter J.

“…We examined how people synchronize their leg movements while walking side-by-side on a treadmill. Walker pairs were either instructed to synchronize their…”
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Walking in an Unstable Environment: Strategies Used by Transtibial Amputees to Prevent Falling During Gait by Hak, Laura, MSc, van Dieën, Jaap H., PhD, van der Wurff, Peter, PhD, Prins, Maarten R., BSc, Mert, Agali, PhD, Beek, Peter J., PhD, Houdijk, Han, PhD

“…Abstract Objective To investigate which strategies transtibial amputees use to cope with challenges of gait stability and gait adaptability, and how these…”
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Measuring acceleration and deceleration in soccer-specific movements using a local position measurement (LPM) system by Stevens T, G A, de Ruiter, Cornelis J, van Niel, Cas, van de Rhee, Roxanne, Beek, Peter J, Savelsbergh, Geert J P

“…A local position measurement (LPM) system can accurately track the distance covered and the average speed of whole-body movements. However, for the…”
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