Research Study Participation

• Ages: 18-75
• Chronic low back pain (lasting 3+ months)
• Pain intensity: 3/10 or higher in the past 24 hours
• Access to email and the internet

• Male or female adult (18-40 years old)
• Complete less than 150 minutes per week of aerobic exercise and less than 2 full-body
  resistance training sessions per week
• Free from implanted pacemakers/defibrillators
• Free from open cuts/wounds on your right hand and foot
• Metabolically healthy (we will determine this using a health history questionnaire,
  fasting blood glucose < 100mg/dL, and a resting blood pressure < 140/90 mmHg)
• Not actively attempting to gain/lose weight

• 18+ years of age
• Free from implanted pacemakers/defibrillators
• Free from open cuts/wounds on the right hand/foot

• Age of 18-35
• No history of lower extremity surgery ever
• No history of lower extremity injury (defined as seeking medical attention) within the last 2 years

• Adults 18-40 years of age   
• Familiarity with the names of foundational yoga poses  
• Physical activity is not contraindicated (i.e., no affirmative responses on the Physical Activity Readiness Questionnaire for Everyone [PAR-Q+])  

• are between the ages of 18-35 years,
• either have had an anterior cruciate ligament reconstruction (ACLR) surgery or have not had an injury to either of your knees,
• have not been medically diagnosed with a concussion in the previous 6 months,
• have not been medically diagnosed with colorblindness,
• have no known neurological (nervous system) disorder (i.e. Multiple Sclerosis),
• have not taken opioid medication (pain medication) in the last 2 weeks,
• are not pregnant of planning to become present during study participation, and
• have no contraindications to brain MRI (you will complete a screening form).

• Physically Active Adults (Current Tegner Activity Scale of at least 5)
• Male and female adults, aged 18-30 years

Inclusion criteria – ACL group:

• Age 18-35 years
• History of primary unilateral ACL reconstruction (ACLR) within last 2 years
• No history of any lower limb surgery besides the current ACLR
• Medical clearance to initiate jogging

Inclusion criteria – Uninjured group:

• Age 18-35 years
• No history of lower extremity surgery
• No history of lower extremity injury (defined as seeking medical attention) within last 2 years

• Are 18–50 years old.
• Have had low back pain for more than 12 weeks, rated 3/10 or higher in the past 48 hours.
• Are resistance trained (2x/week for the past 8 weeks

ACL Group:

• Age of 18-35 years
• History of only one ACL reconstruction within the previous 2 years
• Medical clearance for return to unrestricted activity

Uninjured Group:

• Age of 18-35 years
• No history of lower limb surgery
• No history of significant lower limb injury within previous 6 months (defined as seeking medical attention, or missing >3 consecutive practices or games)