PARTICIPANTS
Participants were recruited using flyers and other materials placed at
local senior centers and retirement communities. Interested participants
were screened based on inclusion and exclusion criteria. Inclusion
criteria included (a) 55 years of age or older, (b) prediabetic
condition defined as fasting glucose levels between 100-125mg/dl OR
diagnosed with type II diabetes, (c) controlled glucose between 70 and
130 mg/dl at the start of testing (baseline), (d) no history of diabetic
coma, and (e) willing to participate in two trials of the study and
dress appropriately for the exercise condition. Exclusion criteria
included (a) diagnosed diabetic retinopathy, neuropathy, or nephropathy,
(c) known foot ulcers, (d) rapid heartbeat (over 100 at rest), (e)
noticeable sweating at rest, (f) high levels of reported anxiety,
confusion following requested tasks, (g) use of an insulin pump or
insulin secretagogues, or (h) had experienced falls that would prevent
safe treadmill exercise. Eligible, interested participants were provided
an informed consent and subsequently enrolled in the study.