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The Effect of Novel High-intensity Interval Training on Physical Fitness in Older Adults

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT02714088
Recruitment Status : Completed
First Posted : March 21, 2016
Last Update Posted : October 18, 2016
Information provided by (Responsible Party):
Christopher Hurst, Teesside University

Brief Summary:
High-intensity interval training (HIT) has been demonstrated to be an effective strategy to improve markers of health and fitness across a wide range of healthy and clinical populations. Currently however, there is only limited evidence which has examined the effectiveness of HIT in older adults (>50 years). HIT is an appealing strategy in this group as it has the potential to impact both cardiorespiratory and muscular fitness, which both play an important role in maintaining functional fitness and quality of life in a time-efficient manner. Developing an understanding of novel strategies for delivering this type of exercise training may ultimately provide a viable alternative to traditional modes of exercise training for a broader range of participants. As such, the purpose of this study is to evaluate the effects of a novel, high-intensity interval training exercise protocol to improve physical fitness in adults aged over 50 years. This research also aims to evaluate if this type of training intervention is feasible in this population, through analysis of adherence and intervention fidelity.

Condition or disease Intervention/treatment Phase
High-intensity Interval Training Other: Novel high-intensity interval training Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 36 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Study Start Date : April 2016
Actual Primary Completion Date : August 2016

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Intervention
Participants will undertake a high-intensity interval training intervention, completing two exercise sessions per week for 12 weeks. The exercise sessions will consist of 4 sets of 4-6 repetitions of 60s (45s high-intensity exercise, followed by 15s rest), interspersed with 3 minutes rest. During each exercise repetition participants will be encouraged to reach >90% of their maximal heart rate.
Other: Novel high-intensity interval training
No Intervention: Control
Participants will not undertake any formal intervention and will be asked to maintain their usual physical activity habits and diet.

Primary Outcome Measures :
  1. Change in lower body muscular power [ Time Frame: Baseline and following exercise training (12 weeks) ]
    Assessed via Nottingham Leg Extensor Power Rig

  2. Change in Aerobic fitness [ Time Frame: Baseline and following exercise training (12 weeks) ]
    Assessed via Chester step test

  3. Change in upper extremity muscular strength [ Time Frame: Baseline and following exercise training (12 weeks) ]
    Hand grip strength assessed using handheld dynamometer

  4. Change in quality of life [ Time Frame: Baseline and following exercise training (12 weeks) ]
    Assessed via Short form quality of life questionnaire (SF36)

Other Outcome Measures:
  1. Heart rate during high-intensity interval training exercise sessions [ Time Frame: Up to 12 weeks ]
  2. Rating of perceived exertion (RPE) during high-intensity interval training exercise sessions [ Time Frame: Up to 12 weeks ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   50 Years to 85 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  1. Must be aged 50-85 years
  2. Must be able to provide informed consent to participate
  3. Must be free from all exclusion criteria

Exclusion Criteria:

  1. Symptoms of or known presence of heart disease of major atherosclerotic cardiovascular disease
  2. Early family history of sudden cardiac death
  3. Condition or injury or co-morbidity affecting the ability to undertake exercise
  4. Diabetes mellitus
  5. Pregnancy or likelihood of pregnancy

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT02714088

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United Kingdom
Teesside University
Middlesbrough, Tees Valley, United Kingdom, TS1 3BA
Sponsors and Collaborators
Teesside University
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Responsible Party: Christopher Hurst, Postgraduate Researcher, Teesside University Identifier: NCT02714088    
Other Study ID Numbers: TEES-CH170216-SSSBL
First Posted: March 21, 2016    Key Record Dates
Last Update Posted: October 18, 2016
Last Verified: October 2016
Keywords provided by Christopher Hurst, Teesside University:
High-intensity interval training
Functional fitness
Quality of life
Older adults