ArticleEuropean journal of applied physiology2019
The relationship between leg stiffness, forces and neural control of the leg musculature during the stretch-shortening cycle is dependent on the anticipation of drop height.
Article in European journal of applied physiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 15 citations in OpenAlex.
- Energy transfer in reactive movements as a function of individual stretch load.Frontiers in physiology · 2023Article
- Association and Agreement between Reactive Strength Index and Reactive Strength Index-Modified Scores.Sports (Basel, Switzerland) · 2021Article
- The Anticipation of Gravity in Human Ballistic Movement.Frontiers in physiology · 2021Article
- Neuromuscular Strategies in Stretch-Shortening Exercises with Increasing Drop Heights: The Role of Muscle Coactivation in Leg Stiffness and Power Propulsion.International journal of environmental research and public health · 2020Article
- Gender differences on neuromuscular strategy during drop jump: a comment on Helm et al. (2019).European journal of applied physiology · 2020Article
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5 authors at 1 institution in 1 country.
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Abstract
purposeThis study aimed at investigating how prior knowledge of drop heights affects proactive and reactive motor control in drop jumps (DJ).
methodsIn 22 subjects, the effect of knowledge of three different drop heights (20, 30, 40 cm) during DJs was evaluated in seven conditions: three different drop heights were either known, unknown or cheated (announced 40 cm, but actual drop height was 20 cm). Peak ground reaction force (F
resultsLeg stiffness, proactive and reactive EMG activity of the leg muscles diminished in unknown and cheat conditions for all drop heights (7-33% and 2-26%, respectively). Antagonistic co-activation increased in unknown (3-37%). At touchdown, increased flexion in knee (~ 5.3° ± 1.9°) and hip extension (~ 2° ± 0.6°) were observed in unknown, followed by an increased angular excursion in hip (~ 2.3° ± 0.2°) and knee joints (~ 5.6° ± 0.2°) during GC (p < 0.05). Correlations between changes in activation intensities, joint kinematics, leg stiffness and F
conclusionThese findings underline that anticipation influences timing and adjustment of motor responses. It is argued that proactive and reactive modulations associated with diminished activation intensities in leg extensors are functionally relevant in explaining changes in leg stiffness and subsequent decline in performance.
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