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Symmetry and reproducibility of kinematic parameters during various running techniques.
Karamanidis K, Arampatzis A, Brüggemann GP. Karamanidis K, et al. Med Sci Sports Exerc. 2003 Jun;35(6):1009-16. doi: 10.1249/01.MSS.0000069337.49567.F0. Med Sci Sports Exerc. 2003. PMID: 12783050
A total number of three step cycles for each running condition were recorded (250 Hz). For each side of the body, 19 sagittal kinematic parameters from the lower extremity were evaluated. ...With respect to the economy of data analysis, the present findings indicate that r
A total number of three step cycles for each running condition were recorded (250 Hz). For each side of the body, 19 sagittal kinemat
Motor task and muscle strength followed different adaptation patterns after anterior cruciate ligament reconstruction.
Karanikas K, Arampatzis A, Brüggemann GP. Karanikas K, et al. Eur J Phys Rehabil Med. 2009 Mar;45(1):37-45. Eur J Phys Rehabil Med. 2009. PMID: 18987563
This suggests that a decrease in muscle strength capabilities can be tolerated up to a certain extent by the patients when walking and during sub maximal running. However, when the decrease in muscle strength exceeds a certain threshold the biological system, …
This suggests that a decrease in muscle strength capabilities can be tolerated up to a certain extent by the patients when wal …
Assessment of muscle volume and physiological cross-sectional area of the human triceps surae muscle in vivo.
Albracht K, Arampatzis A, Baltzopoulos V. Albracht K, et al. J Biomech. 2008 Jul 19;41(10):2211-8. doi: 10.1016/j.jbiomech.2008.04.020. Epub 2008 Jun 13. J Biomech. 2008. PMID: 18555257
The purpose of the present study was to investigate whether it is possible to predict the individual muscle volumes within the triceps surae (TS) muscle group by means of easily measurable parameters based on a theoretical consideration. A further objective was to v …
The purpose of the present study was to investigate whether it is possible to predict the individual muscle volumes within the triceps surae …
Strain and elongation of the human gastrocnemius tendon and aponeurosis during maximal plantarflexion effort.
Arampatzis A, Stafilidis S, DeMonte G, Karamanidis K, Morey-Klapsing G, Brüggemann GP. Arampatzis A, et al. J Biomech. 2005 Apr;38(4):833-41. doi: 10.1016/j.jbiomech.2004.04.031. J Biomech. 2005. PMID: 15713305
The subjects performed isometric maximal voluntary contractions of their left leg on a Biodex-dynamometer. The kinematics of the leg were recorded using the Vicon 624 system with 8 cameras operating at 120 Hz. ...The main findings were: (a) the absolute elongation o …
The subjects performed isometric maximal voluntary contractions of their left leg on a Biodex-dynamometer. The kinematics of the leg …
Influence of leg stiffness and its effect on myodynamic jumping performance.
Arampatzis A, Schade F, Walsh M, Brüggemann GP. Arampatzis A, et al. J Electromyogr Kinesiol. 2001 Oct;11(5):355-64. doi: 10.1016/s1050-6411(01)00009-8. J Electromyogr Kinesiol. 2001. PMID: 11595555
A total of 15 athletes performed a series of drop jumps from heights of 20, 40 and 60 cm. The instructions given to the subjects were a) "jump as high as you can" and b) "jump high a little faster than your previous jump". The jumps were performed at e
A total of 15 athletes performed a series of drop jumps from heights of 20, 40 and 60 cm. The instructions given to the subjec
Leg stiffness and mechanical energetic processes during jumping on a sprung surface.
Arampatzis A, Brüggemann GP, Klapsing GM. Arampatzis A, et al. Med Sci Sports Exerc. 2001 Jun;33(6):923-31. doi: 10.1097/00005768-200106000-00011. Med Sci Sports Exerc. 2001. PMID: 11404657
METHODS: A total of 10 female athletes performed a series of drop jumps on a sprung surface from heights of 20 and 40 cm. The instructions given to the subjects were a) "jump as high as you can" and b) "jump high a little faster than at your pre …
METHODS: A total of 10 female athletes performed a series of drop jumps on a sprung surface from heights of 20 and 40 c …
Mechanical energetic processes during the giant swing before the Tkatchev exercise.
Arampatzis A, Brüggemann GP. Arampatzis A, et al. J Biomech. 2001 Apr;34(4):505-12. doi: 10.1016/s0021-9290(00)00212-8. J Biomech. 2001. PMID: 11266674
A clearly effective use of the bar's elasticity during the first phase could not be found. During the second phase, energy is transferred from the bar's back into the gymnast's body whose total energy increases. ...
A clearly effective use of the bar's elasticity during the first phase could not be found. During the second phase, energy is transfe
Influence of different approaches for calculating the athlete's mechanical energy on energetic parameters in the pole vault.
Schade F, Arampatzis A, Brüggemann G. Schade F, et al. J Biomech. 2000 Oct;33(10):1263-8. doi: 10.1016/s0021-9290(00)00087-7. J Biomech. 2000. PMID: 10899336
The findings indicate that rotatory movements and movements relative to the CM have a larger influence on the primary parameters than movements apart from the main plane of movement. For analysing the energy exchange between the athlete and the elastic implement pole only …
The findings indicate that rotatory movements and movements relative to the CM have a larger influence on the primary parameters than …
Mechanical power in running: a comparison of different approaches.
Arampatzis A, Knicker A, Metzler V, Brüggemann GP. Arampatzis A, et al. J Biomech. 2000 Apr;33(4):457-63. doi: 10.1016/s0021-9290(99)00187-6. J Biomech. 2000. PMID: 10768394
The purposes of the present study were: (1) to compare four different methods of calculating mechanical power in running on the basis of comparable data over a wide range of running velocity; (2) to examine the linearity of the relation between mechanical power as calculat …
The purposes of the present study were: (1) to compare four different methods of calculating mechanical power in running on the basis of com …
The effect of speed on leg stiffness and joint kinetics in human running.
Arampatzis A, Brüggemann GP, Metzler V. Arampatzis A, et al. J Biomech. 1999 Dec;32(12):1349-53. doi: 10.1016/s0021-9290(99)00133-5. J Biomech. 1999. PMID: 10569714
The goals of this study were to examine the following hypotheses: (a) there is a difference between the theoretically calculated (McMahon and Cheng, 1990. ...Force was measured using a "Kistler" force plate (1000 Hz). Kinematic data were recorded using two hi …
The goals of this study were to examine the following hypotheses: (a) there is a difference between the theoretically calculat …
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