Alvernia College

The purpose of this research is to study the improvements from walking practice that is vigorous enough to keep participants' heart rate over a certain target level during their physical therapy sessions. The investigators want to know about improvements in participants' walking function and mental health after 20 interventions. The study also aims to evaluate if participants' mental health, social support, and health literacy affect their attendance at physical therapy sessions.

The purpose of this research is to compare improvements between the rehab intervention with walking practice using the robotic exoskeleton versus walking practice that is vigorous enough to keep participants' heart rate over a certain target level during physical therapy sessions. Investigators want to compare improvements in your walking function and mental health that occur after 20 interventions. The study also aims to evaluate if participants' mental health, social support, and health literacy affect attendance at physical therapy sessions.

The goal of this clinical trial is to compare the effects of different exercises programs in individuals with abnormal knee motion. The main question it aims to answer are:
* In individuals with abnormal knee motion and without knee pain, does a weight-bearing exercise program reduce abnormal knee motion during a step-down test better than a non weight-bearing exercise program? Participants will
* Perform a stepdown test while undergoing motion analysis and electromyograph (EMG) recording.
* Participants will then be placed either into a weight-bearing or non weight-bearing exercise group. Exercises will be performed 3 times per week for 6 weeks.
* Further motion analysis and EMG data will be collected to test for differences. Researchers will compare individual results before and after exercise, and between-group results before and after exercise to see if one exercise program helps improved abnormal knee motion more than the other.