
Piotr AschenbrennerGdansk University of Physical Education and Sport · Biomechanics
Piotr Aschenbrenner
PhD
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26
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Publications (26)
This study investigated the impact of active rest intervals within a lower body complex training session on post-activation performance enhancement (PAPE) response in amateur soccer players. Twelve soccer players took part in four different experimental conditions. These sessions included 2 sets of lower body complex-paired exercises, each involvin...
The objective of this study was to compare (i) The effects of a flywheel and free-weight resistance training program; and (ii) The effects of performing lateral and frontal split squats as part of a flywheel-resistance training program on jumping performance, the 5-0-5 change of direction test time, and the one-repetition maximum (1RM) back squat i...
The aim of this study was to examine whether acute whole-body vibration, a single bout of drop jumps, or a combination of both may enhance countermovement jump (CMJ) and would affect volitional pace 3 km running performance. Twelve healthy and recreationally active males completed 4 conditions in randomized order: (i) 5 sets of 30 s calf raises on...
Researchers involved in skiing investigations postulate Telemark skiing as an alternative technique to Alpine skiing, which may be associated with lower injury risk. A free heel of the boot, and a boot that enables flexion of the toe, are characteristic features. The aim of this research was to compare three types of turns on Telemark skis, through...
In alpine ski disciplines, it is common for competitors to record incomplete runs. In some instances, up to 40% of competitors have failed to complete a course. Possible reasons include incorrect preparation of skiers (lack of adequate motor preparation) and poor tactical approaches. However, there are also some errors in the setting of gates on a...
This review aimed to summarize the reported effects of unilateral conditioning activity (CA) on unilateral performance, bilateral performance, and the contribution of activated body limb to bilateral performance. A systematic search on MEDLINE, SPORTDiscus, Scopus, and Google Scholar was conducted on February 2022. Twenty-three studies met the incl...
This study aimed to analyze acute changes in the muscle mechanical properties of the triceps brachii long head after bench press exercise performed at different external loads and with different intensities of effort along with power performance. Ten resistance-trained males (age: 27.7 ± 3.7 yr, body mass: 90.1 ± 17.1 kg, height: 184 ± 4 cm; experi...
The aim of the current study is to determine how the level of state and trait anxiety differs
between youth athletes of different performance levels and furthermore whether there are correlations between
performance levels and psychomotor variables in the selected tasks. A sample of 97 boys, aged 11–12 years,
practising soccer represented two group...
Purpose:
The purpose of the study was presentation of modern bioengineering technology in order to help people with severe disabilities.
Methods:
Bioengineering industry can offer severely disabled people several devices in order to enable them to take part in the competition different than Paralympics. The first international competition for pe...
The study aims were to determine the distance covered by goalkeepers during matches in the context of game duration and result, to identify the area of their most frequent activity, and to assess goalkeepers’ involvement in games finished with a win, draw, or loss. The investigation was based on two innovative tools: the goalkeeper’s activity index...
Iron is essential for physical activity due to its role in energy production pathways and oxygen transportation via hemoglobin and myoglobin. Changes in iron-related biochemical parameters after physical exercise in athletes are of substantial research interest, but molecular mechanisms such as gene expression are still rarely tested in sports. In...
Purpose: The purpose of this research was to record the characteristics of Poland’s alpine skier’s (students) in relation to the frequency of accidents. In this research 66 skiers participated (50 men and 16 women). Methods: The specimens came by recreational skiers (beginners - advanced) in the ski resort in Passo Tonale (Italy). The research mate...
Background: Participation in extreme endurance sports is becoming an increasingly popular activity, and thus more and more people are getting involved in it. Taking part in a 100 km run is associated with great physiological and psychological stress, which can affect one’s mood state. Thus, the goal of this study was to determine if personality, ex...
Purpose:
This paper aims at the description and comparison of methods of topographic analysis of racing courses at all disciplines of alpine skiing sports for the purposes of obtaining: terrain geomorphology (snowless and with snow), course geometry, and competitors' runs.
Methods:
The review presents specific methods and instruments according t...
Background
Several studies have demonstrated the positive effects of physical activity on skeletal muscle mass and muscle strength in women with osteoporosis. However, the impact of Nordic walking training on sarcopenia-related parameters in women with low bone mass remains unknown. Therefore, the purpose of this study was to evaluate the impact of...
The aim of the study was to define the relationship between maximal power of lower limbs, the biomechanics of the forward handspring vault and the score received during a gymnastics competition. The research involved 42 gymnasts aged 9-11 years competing in the Poland’s Junior Championships. The study consisted of three stages: first -estimating th...
Background: This research was aimed at describing the influence of selected intrapsychic factors related to “low” and “high” mountain conditions upon the efficiency of alpine skiing instruction.Material/Methods: Research participants were 48 people without skiing skills. Altitudes from 770 to 1,741 metres above sea level were chosen for “high” grou...
Background and Study Aim: The main questions put by the investigators were: a) what was the competitors' approach to the sport fight along the whole course in alpine skiing, and b) was the information of the runs of the previous competitors important for the next competitors. The first aim of the investigations was acquiring a knowledge on the tact...
Background: In this work an original computer program for the video analysis of players on a large area by using a single camera is presented. Video analysis is one of the basic research techniques of human movement applied in sport. A set of cameras and special computer software is used for this purpose. Many companies provide hardware and softwar...
Background: In this work an original computer program for the video analysis of players on a large
Purpose. The aim of the overall research on alpine skiing was examination of the biomechanical approach to tactics of running a course. The aim of this particular paper was presentation of first results on the geometry of courses of four disciplines. Basic procedures. The research covered competitions of alpine skiers during the 2006/2007 FIS World...
The aim of this paper is the presentation of the geometry of the alpine ski giant slalom at the highest world level in order to calculate the obtained time by videorecording velocity and acceleration of running. INTRODUCTION: In alpine skiing the role of a coach is a difficult one. This is due in part, to the fact that during the competition he wou...