Eligibility Criteria:
Inclusion Criteria:
* age between 18 and 75 years;
* presence of prediabetes (fasting glycemia between 100 and 125 mg/dL or glycated hemoglobin \[A1c\] between 5.7 and 6.4%).
Exclusion Criteria:
* Have a significant cognitive impairment,
* Are non-ambulatory,
* Have lower extremity amputation,
* Have renal failure,
* Have liver disease,
* Have uncontrolled hypertension (\>160 mmHg systolic and/or \>100 mmHg diastolic),
* Have unstable cardiovascular disease,
* Have a history of severe cardiovascular problems,
* Have decompensated heart failure,
* Have uncontrolled arrhythmias,
* Have severe pulmonary hypertension (mean pulmonary arterial pressure \>55 mm Hg),
* Have severe and symptomatic aortic stenosis,
* Have acute myocarditis, endocarditis, or pericarditis,
* Have aortic dissection,
* Have Marfan syndrome,
* Have unrepaired aortic aneurysm,
* Have proliferative diabetic retinopathy,
* Have rapidly progressive terminal illness,
* Are unable to perform resistance exercise to due preexisting musculoskeletal conditions (e.g., joint pain, chronic injury or tendinopathy),
* Are under biguanide (metformin) treatment, but are taking for less than 3 months,
* Have taken drugs known to increase the risk of tendon disorders (e.g., tendinopathy and tendon rupture) within the last 6 months. These drugs include, but may not be limited to: fluoroquinolones, glucocorticoids, aromatase inhibitors, anabolic steroids, antiretrovirals, isotretinoin, cephalexin, rituximab, sitagliptin, cephalosporins, azithromycin, and sulfonamides.
* Are pregnant or trying to become pregnant during the study,
* Are prisoners,
* Are persons that require a legally authorized representative.
Temporary exclusions include:
* Being subjected to recent surgeries for which resistance training is not recommended,
* Have symptomatic hernias,
* Have acute illness,
* Have recent fractures, or other injuries until resolved.