Please select the eligibility criteria that correspond to the clinical trial below.
Title: Activity, Gait, and Efficacy (AGE II): Functional Limitations and Quality of Life
Brief Summary: The purpose of this study is to test the effectiveness of a DVD-delivered, home-based, six-month physical activity intervention for older adults.

A comparative effectiveness study of the FlexToBa DVD exercise program will be conducted in 2014.


Options:
A: Inclusion Criteria:

* being non-active, defined as reporting not engaging in regular activity (30 minutes accumulated per day) on more than two days of the week in the prior six months;
* aged 65 - 85 years;
* capable of participation in a program of flexibility,
* toning and balance without exacerbating any pre-existing conditions;
* able to obtain medical clearance for physical activity.

Exclusion Criteria:

* self-reported physical activity on a regular basis within the last six months (2 times or more per week);
* any physical disability that strictly prohibits stretching, strengthening and balance exercises;
* no regular access to a television;
* unable to successfully answer 21 out of 39 questions on the Telephone Interview of Cognitive Status questionnaire (TICS-M).
B: Inclusion Criteria:

* Ability to speak and read English
* Current patient of a physician participating in this study (if selecting a new physician, may deliberately select one that is involved in the study, in order to participate)
* Ability to complete all written surveys
* Accessible for follow-up telephone surveys
* Ability to undergo exercise testing

Exclusion Criteria:

* Currently participating in another research study
* Planning to move out of the Philadelphia area
* Unable to walk without pain
* Pregnant or planning to become pregnant in the year following study entry
* Excessive drinking
* Coronary heart disease
* Congestive heart failure
* Peripheral vascular disease
* Cerebrovascular disease
* Chronic obstructive pulmonary disease
* Arrhythmia
* Recurrent seizures
* Dizziness
* Balance problems
* Psychoses
C: Inclusion Criteria:

* Residents of the 20 most deprived neighbourhoods in the city of Sheffield
* Aged 40 to 64 years
* Not achieving the current recommended activity level (30 mins of moderate activity on at least 5 days) assessed using the SPAQ (Lowther, 1999) and wishing to have support to become more active

Exclusion Criteria:

* Have increased their physical activity level by at least 30 mins of moderate or vigorous activity per week (assessed using the SPAQ) since initial assessment of activity level
* Capacity to give written informed consent to trial participation
D: Inclusion Criteria:

* Sedentary lifestyle at work and/or during leisure time
* Intend to be physically active
* Female, age \>25 to 69
* Access to a home telephone or a mobile phone
* Speak and read English

Exclusion Criteria:

* Known medical conditions or other physical problems that need special attention in an exercise program
* Plan a trip abroad during the first 4 months of the study period.
* Pregnant/Delivered a baby during the last 6 months
* Known severe hearing or speech problem
* Body Mass Index (BMI) \> 43.0 kg/m2
* Currently participate in lifestyle modification programs or research studies that may potentially confound the results of the study
* History of bariatric surgery or future plans for bariatric surgery in the next 12 months

Answer: A