Muscular DystrophySchulze Muscular Dystrophy Ability Clinical Study

Inclusion Criteria:

1. Subjects between 10 and 99 years of age, with onset of neuromuscular conditions that cause quadriparesis
2. MMT score of 1-3 in the elbow, wrist and hand; and a MMT score of 2-3 in the shoulder of at least one of the subject's arms
3. Ability of subject to raise their forearm off of their lap or laptray
4. Willingness to comply and participate with the study protocol and attend the study sessions
5. Ability to communicate verbally and respond to questions and commands
6. Ability to provide informed consent
7. Selected for participation based on investigator discretion

Exclusion Criteria:

1. Use of invasive ventilator
2. Open wounds or chronic pressure sores on upper extremities, neck, back or torso
3. Significantly unstable upper extremity joints
4. Unhealed bone fractures in the upper extremities
5. Active rotator cuff tear, grade 2 or 3
6. Surgical fixations limiting full passive range of motion
7. Uncontrolled upper-limb spasticity that significantly limits normal range of motion
8. Uncontrollable pain in the neck, shoulders or upper limbs
9. Ability to fully raise both hands simultaneously above their head with ease as defined by the investigator
10. Lack passive shoulder abduction of 120 degrees
11. Lack 90 degrees of passive elbow extension
12. Unable to follow instructions
13. Exhibit significant behavioral problems
14. Inability to provide consent