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Related Concept Videos

Exercise and Muscle Performance01:27

Exercise and Muscle Performance

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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
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Eccentric Loading01:16

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Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under...
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Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
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Two primary types of muscle contractions are isotonic and isometric, each serving unique functions and involving distinct mechanisms. Both isotonic and isometric contractions are integral to the body's complex system of movement and stability. Isotonic exercises contribute significantly to functional strength and movement, while isometric contractions are crucial for maintaining posture and joint stability.
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Design of Columns under an Eccentric Load01:21

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Designing columns to withstand eccentric loads is a critical aspect of structural engineering, ensuring structures can support off-center loads without failure. This design process must account for the additional normal stresses introduced by eccentric loading, which can significantly influence a column's stress distribution and overall stability. An eccentric load applied to a column induces normal stresses that can be conceptualized as a combination of stresses due to an equivalent...
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Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
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Eccentric Exercise: Adaptations and Applications for Health and Performance.

Michael O Harris-Love1,2,3, Jared M Gollie3,4, Justin W L Keogh5,6,7,8

  • 1Physical Therapy Program, Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA.

Journal of Functional Morphology and Kinesiology
|November 29, 2021
PubMed
Summary

Eccentric resistance exercise enhances muscle and tendon adaptations for rehabilitation and sports performance. Careful programming considering velocity and individual factors is key for optimal results across all ages.

Keywords:
agingeccentric trainingflywheel traininghypertrophypowerrehabilitationresistance trainingstrengthtendinopathyyouth athletes

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Rehabilitation Medicine

Background:

  • Eccentric resistance exercise involves muscle lengthening under load, leading to unique physiological adaptations.
  • Understanding these adaptations is crucial for optimizing training and therapeutic strategies.
  • This review synthesizes current knowledge on eccentric exercise from leading researchers.

Purpose of the Study:

  • To provide an overview of muscle and tendon adaptations to eccentric resistance exercise.
  • To discuss the applications of eccentric training in rehabilitation and sports performance enhancement.
  • To highlight key considerations for programming and future research directions.

Main Methods:

  • Narrative review synthesizing contributions to a special issue on eccentric exercise.
  • Focus on expert perspectives regarding exercise selection, implementation, and programming.
  • Analysis of factors influencing eccentric exercise application across the lifespan.

Main Results:

  • Eccentric exercise induces specific muscle and tendon adaptations beneficial for health and performance.
  • Movement velocity and kinetic energy management are critical programming components.
  • Individualized approaches considering patient factors are essential for therapeutic use.
  • Eccentric training can improve movement competency, safety, and performance in athletes.
  • Appropriate prescription makes eccentric exercise suitable for all age groups.

Conclusions:

  • Eccentric resistance training offers significant benefits for rehabilitation and athletic performance.
  • Further research is needed to address remaining questions regarding optimal application.
  • Personalized programming considering velocity, energy dynamics, and individual characteristics is paramount.