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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.
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Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
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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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Power01:08

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The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
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Related Experiment Video

Updated: Dec 5, 2025

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
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Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

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A strength-oriented exercise session required more recovery time than a power-oriented exercise session with equal

Christian Helland1, Magnus Midttun1, Fredrik Saeland1

  • 1Norwegian Olympic and Paralympic Committee and Confederation of Sports, Oslo, Norway.

Peerj
|October 16, 2020
PubMed
Summary
This summary is machine-generated.

Strength-oriented exercise causes greater neuromuscular impairment and longer recovery than power-oriented exercise, even with equal work. Combining objective and subjective measures is key for accurate fatigue and recovery assessment in athletes.

Keywords:
AthletesCountermovement jumpForce-velocityPerceived recovery statusRate of force developmentRate of perceived exertionResistance exerciseSkeletal muscleSprint runningSquat jump

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Neuromuscular Performance

Background:

  • Understanding exercise-induced fatigue and recovery is crucial for optimizing training programs.
  • Different exercise modalities may elicit varying degrees of neuromuscular impairment and recovery kinetics.
  • Strength-oriented and power-oriented training represent distinct physiological stimuli.

Purpose of the Study:

  • To compare the recovery rates between strength-oriented and power-oriented exercise sessions of equal total work.
  • To evaluate neuromuscular performance and subjective recovery status following these distinct training protocols.

Main Methods:

  • A randomized cross-over study involving 16 strength-trained individuals.
  • Participants completed both a strength-oriented (5-repetition maximum) and a power-oriented (50% of 5RM) session.
  • Measures included jump performance (SJ, CMJ), sprint times, peak power, estimated 1RM, RPE, and PRS, assessed pre-exercise and at 24 and 48 hours post-exercise.

Main Results:

  • Both sessions caused performance decrements, with small reductions in CMJ height immediately after exercise.
  • Neuromuscular recovery was complete by 24-48 hours for most measures after the power session.
  • The strength session resulted in prolonged impairments in CMJ forces, SJ rate of force development, and squat peak power at 48 hours, indicating slower recovery.

Conclusions:

  • Strength-oriented exercise induces greater neuromuscular impairment and necessitates longer recovery times compared to power-oriented exercise when total work is equated.
  • Subjective ratings (RPE, PRS) indicated the strength session was more strenuous but showed poor individual-level agreement with objective performance data.
  • A combination of objective and subjective assessments, utilizing multiple performance tests, is recommended for a comprehensive understanding of fatigue and recovery status.