Mild, varied issues with motor development and muscle weakness can become more apparent in this age range. You may notice some of the following signs and symptoms:
- Scoliosis
- Difficulties with physical activities
- Progression of muscle weakness and muscle loss
- Balance issues
- Numbness and tingling or pain in hands and feet
- Uneven weakness in proximal musclesMuscles that are located closer to the torso (neck, shoulder, biceps). (upper arms, shoulders, and upper legs) and distal muscles (forearms and below the knee)
- Diminished or lack of deep tendon reflexes (areflexia)
- Inability to sense the orientation of body parts and balance issues (proprioception)
- Difficulties with balance and proprioception (inability to sense)
- Decreased response to touch below the knee
- Joint instability or joint contractures
- Clumsy walking (gait), frequent tripping and clumsiness
- High arches or flat feet
