Research Study Participation

• Adults aged 18–50 years
• Able to provide informed consent and independently read, write, and communicate in English, since all study instructions and assessments will be administered in the English language.

• Have autism spectrum disorder
• Adult, aged 18-39 years old
• Fluent in American English
• Have hyper-sensitivity to loud sounds
• Want to help evaluate a new intervention for sound sensitivity (hyperacusis) in autism

• completed a prescreening questionnaire that determined you are eligible for this study
• are currently between the ages of 18 and 30 and
• are physically active as defined by reporting a 5 or higher current activity level on the Tegner Activity Scale with no prior history of major injury requiring medical care or surgery to your lower body

Dancers:

• Are female
• Are at least 18 years old
• Have 3+ years of ballet experience within the last 5 years
• Currently participate in any style of dance at least 1 hour per week
• Have no injury that would prevent you from completing the study

Non-Dancers:

• Are female
• Are at least 18 years old
• Have 3+ years of experience playing any sport(s) within the last 5 years and have no dance experience
• Currently participate in any sport at least 1 day per week
• Have no injury that would prevent you from completing the study

• Are a recreationally active female (≥150 minutes per week of moderate to vigorous aerobic activity) between the ages of 18-35.
• Meet the study’s aerobic fitness eligibility requirement (assessed during Visit 1: achieve an age-specific “fair” or greater cardiorespiratory fitness classification (≥34.6 ml∙kg-1∙min-1) during the maximal graded exercise test).
• Are willing to come in for all seven study visits and complete all study activities.

• Male or female adult aged ≥60 years old
• Free from uncontrolled metabolic disease (as determined via health history questionnaire and resting blood pressure assessment)
• Free from implanted pacemakers/defibrillators
• Recreationally active (≥150 min. per week of self-reported moderate physical activity and at least one resistance training/weight-bearing session per week)
• Cleared to begin an exercise program as determined by all “no” answers on the modified Physical Activity Readiness Questionnaire (PARQ)
• Able to reliably initiate a video conferencing call (e.g., Zoom, WhatsApp, Facetime, etc.) with your laptop or mobile phone

• Must be at least 18 years old
• Must speak English
• Must have received addiction treatment in the US during the last 10 years

• Are a recreationally active male or female (≥150 minutes per week of moderate to vigorous activity) between the ages of 18-35.
• Are willing to come in for four visits

• Male or female meeting the following criteria
  • Healthy and ready for physical activity as determined by questionnaires you complete about your health status, and either between the ages of 18-30 years old, OR 65-85 years old, OR
  • Sarcopenic (the gradual loss of muscle mass and strength that happens as people get older) as determined by sarcopenia screening assessments and between the ages of 65-85 years old.
• Currently untrained. To be included you must not have participated in programmed resistance training within the past year. This will be determined by a training history questionnaire (THQ).
• Premenopausal, with a regular menstrual period as determined by the menstrual status questionnaire (female participants between the ages of 18-30 years old only).
• Currently not pregnant and do not intend to become pregnant. We will ask you to verbally confirm your pregnancy status.
• Currently be consuming ≤ 300mg caffeine per day on average and willing to keep caffeine intake consistent throughout the duration of the study.
• Willing to adhere to all pre-testing visit instructions including:
  • Abstaining from vigorous exercise for five days, light exercise for four days, and all forms of exercise for at least three days prior to visit 5.
  • Abstaining from caffeine for at least 12 hours prior to visit 5, 6 and 7.
  • Abstaining from alcohol for at least 24 hours prior to visit 5 through completion of visit 7.
  • Willing to fast for at least 8 hours prior to visits 6 and 7.
• Normotensive (blood pressure within normal limits) or have controlled hypertension.
• Are not currently taking and have no prior history of using of any performance enhancing drugs.
• Free from previous or current lower body injuries that may limit your ability to complete either exercise or physical assessments.
• Highly likely to be successful at providing the required blood samples. This will be determined during today’s visit by a certified phlebotomist.
• Not regularly taking any type of prescription or over-the-counter medication which might affect the assessments, or having any chronic illnesses, which require medical care. This will be determined in your medical history questionnaire and other screening questionnaires.

• Must speak English
• Must be at least 18 years old
• Must have graduated from or stopped attending family treatment court (DDC) in Florida within the last 30 days
• Must live in the US