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| Orthotic Management of Muscular dystrophy |
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Definition Muscular dystrophy is comprised of a group of genetically determined disorders of muscle presenting with diffuse weakness of many muscle groups. The degeneration of muscle cells and replacement by fat and fibrous tissue creates distorted and dysfunctional muscles that disrupt static and dynamic balance capabilities.
Causes a defect in the gene which makes up the muscle Signs & Symptoms • Progressive Muscular Wasting (weakness) • Poor Balance • Frequent Falls • Walking Difficulty • Waddling Gait • Calf Pain • Limited Range of Movement • Muscle Contractures • Respiratory Difficulty • Drooping Eyelids (ptosis) • Gonadal atrophy • Scoliosis (curvature of the spine) • Inability to walk
Complications • Contractures: knee flexion contractures, elbow flexion contractures, etc • Deformity: Scoliosis, Kyphosis, equinus, lordosis, etc Objective Orthotic Intervention a. To provide stability for the limb b. To providing safety and stability & comfort c. To prevent or Reduces contractures d. To prevent or correct deformity
Orthotic Option
It depends in the location and severity of conditions.Orthotic intervention is often confined to nighttime splints to slow the development of contracture. For lower Limb Muscular dystrophy, usually knee-ankle-foot orthoses (KAFOs) with locking knee joints is prescribed. It can be prescribe postoperative, positional ankle-foot orthoses to prevent recurrence of equinus deformities
Characteristic walking features include a wide-based, waddling gait, toe-walking, increased lumbar lordosis, significant pelvic instability with bilateral Trendelenburg signs and noticeable knee instability with a tendency for anterior collapse. Static and dynamic balance is severely challenged, and many children rely on bilateral knee-ankle-foot orthoses (KAFOs
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