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Fatigue protocol

Fatigue protocol has been studied in 2 papers since 2017: 1 trial and 1 observational study in people. The newest paper, Oct 19, 2021: “Seven-Weeks Gait-Retraining in Minimalist Footwear Has No Effect on Dynamic Stability Compared With Conventional Footwear”.

Intervention

2 papers study it4 findingsUpdated

See all 2

“Finally, dynamic stability was significatively lower in both groups after fatigue protocol (p < .05).”
Seven-Weeks Gait-Retraining in Minimalist Footwear Has No Effect on Dynamic Stability Compared With Conventional FootwearResearch quarterly for exercise and sport2021doi:10.1080/02701367.2021.1892021

None of its findings points the other way.

C, W, M, H: cells, worms or flies, mice, humans. Dark: independent labs found the same change there. Light: one lab or one study. Outline: nothing yet.

Labs are independent when their papers share no last author and no institution.

  • 2 independent labs in 2 countries
  • Funders: Vrije Universiteit Brussel and 1 more
  • Human trial1
  • Humans1

Studies in people

1 study gave fatigue protocol to people and measured what changed.

What did studies of Fatigue protocol find?

4

Studies of Fatigue protocol measured 4 outcomes; the most studied are DynCoact10° (1 study), DynCoact200ms (1) and dynamic postural stability (1).

DynCoact10°

downin humans1

1 study

  1. Fatigue protocol decreases DynCoact10° in humans (-45.9% in young vs. -6.7% in old).

    “DynCoact10° had no age × time interaction (p = 0.070), but had a main effect for time (p = 0.020) with the Post0 being lower than the Pre.”

    Human trialfollowing leg extensor fatiguing protocolbiceps femorismales

    Interaction between age and fatigue on antagonist muscle coactivation during an acute post-fatigue recovery phase

    Frontiers in aging

More on DynCoact10°

DynCoact200ms

downin humans1

1 study

  1. Fatigue protocol decreases DynCoact200ms in humans.

    “DynCoact200ms had an effect for time (p = 0.018), with greater antagonist coactivation in Pre than Post0 (p = 0.009) and recovering by Post7 (p = 0.011) with no group differences.”

    Human trialfollowing leg extensor fatiguing protocolbiceps femorismales

    Interaction between age and fatigue on antagonist muscle coactivation during an acute post-fatigue recovery phase

    Frontiers in aging

More on DynCoact200ms

Dynamic postural stability

downin humans1

1 study

  1. Fatigue protocol impairs dynamic postural stability in humans (p < .05).

    “Finally, dynamic stability was significatively lower in both groups after fatigue protocol (p < .05).”

    Human trial30-minutemalesn = 42

    Seven-Weeks Gait-Retraining in Minimalist Footwear Has No Effect on Dynamic Stability Compared With Conventional Footwear

    Research quarterly for exercise and sport

Muscle activity

downin humans1

1 study

  1. Fatigue protocol decreases muscle activity in humans (p<0.05).

    “In geriatric patients, muscle activity decreased significantly (p<0.05) during the fatigue protocol”

    Human trialacute infectionadductor pollicisn = 10

    Peripheral muscle fatigue in hospitalised geriatric patients is associated with circulating markers of inflammation

    Experimental gerontology

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