The Effects of Mental and Physical Fatigue to Force Production in Adults
Condition: Mental Fatigue; Muscle Weakness
MeSH terms: Muscle Weakness; Fatigue; Mental Fatigue
Study type: Interventional

Summary: 
      The primary objective is to investigate the correlation between physical and mental fatigue
      to lower extremity force production in adults to determine if there is an association of
      performance output that is inhibited by mental and physical stressors that mimic sport
      environments that can be further investigated to determine the importance of not only
      physical training and exercise for athletes, but also mental and cognitive exercises with
      physical task to enhance performance training and rehabilitation of individuals.

      In adults, how does physical and mental fatigue in combination compared to those who are just
      physically fatigued affect average peak height in performance of five CMJ with hands on hips.
    

Detailed description: 
      In terms of injury prevention mental or cognitive fatigue and altered biomechanics play a
      large role in risk of injury or reinjury. This can lead to disturbances in gait, balance or
      even It is known that there are decreases in rate of force production in a physically
      fatigued state.

      However, this does not show if a mentally fatigued and physically fatigued individual have
      any negative implications towards a more dynamic and reactive test and conditions that mimic
      sport more than static balancing or linear walking. It is even noted in reactive times of
      post ACLr (one of the most common sports related injuries) have lower reactive times in
      agility test With ACLr having a high level or rate or reinjury on surgical side and
      nonsurgical side as well as known alterations of the cerebellum and specifically the primary
      sensory cortex.Understanding how much a mental and physical fatigue can impact reactive
      cognition and force production can be vital key in not only sports performance and
      management, but also risk or injury and be associated in the plan of returning an athlete to
      sport as power and force production is a key determinant of performance in many individual
      and team sports. It is noted that physical activities directly enhance mental fatigue
      significantly, but it is widely unresearched objectively how much or when physical fatigue
      directly impacts mental cognition and decision making properties to an individual. In sport
      it is crucial to act and react to be able to be successful. Multidirectional and team sports
      involve constant mental cognition in terms of visual, auditory interpretation and cognition,
      ability to recognize patterns and to finally physically perform tasks in a highly efficient
      manner.

      The goal of an athlete is to be conditioned to play their best whether that is the first
      minute of the game or its last. That means making the correct decision and physically
      performing it. However, in a fatigued state can the athlete properly perform what is needed
      to be done in a safe and effective manner that is comparable to a not fatigued state.
    

Intervention name(s): Physical Fatiguing Task only; Physical and Mental Fatiguing Task
Intervention type(s): Other; Other
Intervention description(s): Control group: 20-25 minutes [Rogue Echo Bike 20 intervals of 10 second of maximal-submaximal effort to 50 seconds of recovery low intensity effort] without mentally fatiguing task during low intensity effort pace; Experimental group: 20-25 minutes [Rogue Echo Bike 20 intervals of 10 second of maximal-submaximal effort to 50 seconds of recovery low intensity effort] with mentally fatiguing task during low intensity effort pace (which includes: stroop test)
Other intervention name(s): Physical and Mental Fatiguing Task
Allocation: Randomized
Intervention model: Parallel Assignment
Masking: Double (Participant, Outcomes Assessor)
Primary purpose: Other
Keywords: Force Production; Muscular Fatigue; Mental Cognition