Tailored Activity Goals - an Exercise Prescription Study

Physical Activity Clinical Trial

— TAG  

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT02560792
• Other study ID #: F31MH079636
• Secondary ID: F31MH079636
• Status: Completed
• Phase: N/A
• First received: July 30, 2015
• Last updated: September 24, 2015
• Start date: September 2009
• Est. completion date: February 2010

Study information

• Verified date: September 2015
• Source: University of Colorado, Boulder
• Contact: n/a
• Is FDA regulated: No
• Health authority: United States: Institutional Review Board
• Study type: Interventional

Clinical Trial Summary

The primary goal of this study is to determine experimentally the relationship between affective response to exercise and future exercise behavior. A secondary goal is to examine potential mediators and moderators of this relationship, specifically four variables considered to contribute to the volitional control of exercise behavior - planning, attention, resource commitment, and affect regulation. An additional goal is to examine how symptoms of depression might influence the affective response to exercise, and the relationship between affective response to exercise and exercise behavior.

Description:

The specific aims are as follows:

Aim 1. The first aim is to determine the effectiveness of an experimental manipulation of individuals' affective response to a laboratory-supervised bout of exercise corresponding to a vigorous intensity (just below the ventilatory threshold), compared to a control condition that simply measures individuals' natural affective response to exercise. The investigators will specifically determine the effect of this manipulation on anticipated, experienced and remembered affective response to exercise.

Aim 2. The second aim is to examine individuals' adherence to an exercise prescription over the course of one week that asks them to exercise daily on their own for twenty minutes at the same intensity (as indicated by a heart rate monitor) as the laboratory-supervised exercise session, and to determine whether adherence to this prescription is greater for those who expect exercise to lead to positive affect than those who expect exercise to lead to negative affect, as compared to a control condition.

Aim 3. The third aim is to examine potential mediators and moderators of the relationship between anticipated affect and subsequent exercise behavior, including volitional control of exercise, affect regulation ability, and symptoms of depression.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 101
• Est. completion date: February 2010
• Est. primary completion date: January 2010
• Accepts healthy volunteers: Accepts Healthy Volunteers
• Gender: Both
• Age group: 18 Years to 45 Years

Eligibility

Inclusion Criteria:

• eligible participants will be between the ages of 18 and 39 (for men) and 18 and 45 (for women)

• free of overt disease (as cleared by clinical translational research center medical staff)

• free of mental health conditions other than depression and anxiety (by self-report)

• physically capable of engaging in moderate exercise activity (i.e., no injuries or physical impairments)

• willing to receive a "prescription" for exercise intensity, frequency, and duration, and have access to a computer with Internet connectivity in order to complete the online follow-up survey.

Exclusion Criteria:

• elite (i.e., paid) athletes or required to participate in aerobic exercise in conjunction with their occupation (e.g., aerobics instructors)

• women must not be pregnant or planning to become pregnant during the study period

• on any medications for which exercise is contraindicated (as cleared by clinical translational research center medical staff)

• smoker

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Basic Science

Related Conditions & MeSH terms

• Affect
• Physical Activity

Intervention

Behavioral:
• Positive Affect Condition
Participants read: "Most people exercising at this intensity say that it feels good, and that it makes them feel energized and more positive, and more relaxed afterwards. Thinking about your exercise prescription, please list the reasons or ways in which you, personally, might expect this exercise to lead to positive feelings, and what specifically about this exercise might make you, personally, feel good."
• Negative Affect Condition
Participants read: "Most people exercising at this intensity say that it doesn't feel very good, and that it makes them feel tired and not so positive, and not very relaxed afterwards. Thinking about your exercise prescription, please list the reasons or ways in which you, personally, might expect this exercise to lead to negative feelings, and what specifically about this exercise might make you, personally, feel bad."
• Control Condition
Participants receive no information about affective response

Locations

Country	Name	City	State
n/a

Sponsors (2)

Lead Sponsor	Collaborator
University of Colorado, Boulder	National Institute of Mental Health (NIMH)

Outcome

Type	Measure	Description	Time frame	Safety issue
Other	Positive activated affect as measured by Physical Activity Affect Scale	Self-report survey: Physical Activity Affect Scale, positive affect subscale	5 minutes before, 10 and 20 minutes during, and 5 minutes after intervention	No
Other	Negative activated affect as measured by Physical Activity Affect Scale	Self-report survey: Physical Activity Affect Scale, negative affect subscale	5 minutes before, 10 and 20 minutes during, and 5 minutes after intervention	No
Other	Tranquility as measured by Physical Activity Affect Scale	Self-report survey: Physical Activity Affect Scale, tranquility subscale	5 minutes before, 10 and 20 minutes during, and 5 minutes after intervention	No
Other	Fatigue as measured by Physical Activity Affect Scale	Self-report survey: Physical Activity Affect Scale, fatigue subscale	5 minutes before, 10 and 20 minutes during, and 5 minutes after intervention	No
Primary	Days of exercise according to prescription as measured by exercise log	Number of days of prescribed exercise recorded on exercise log	7 days	No
Primary	Days of exercise according to prescription as measured by heart rate monitor	Number of days of prescribed exercise recorded by heart rate monitor	7 days	No
Secondary	Intentions to exercise according to prescription as measured by intention to exercise scale	Self-report survey: intention to exercise scale	5 minutes post-intervention	No
Secondary	Volitional control of exercise: Planning as measured by exercise planning scale	Self-report survey: exercise planning scale	7 days post-intervention	No
Secondary	Volitional control of exercise: Commitment as measured by commitment to exercise scale	Self-report survey: commitment to exercise scale	7 days post-intervention	No