Figure 1From: Proprioceptive acuity into knee hypermobile range in children with Joint Hypermobility SyndromeThe purpose-built device and participant set-up for testing of proprioceptive acuity. *represents the fixed stopper. **represents the moveable stopper driven by the stepper motor (inside the casing). A. Testing in early flexion range. B. Testing in hyperextension range.Back to article page