Spasticity

From Anvita Health Wiki

Contents 1 More Specific Terms 2 Introduction 3 Etiology 4 Clinical-manifestations 5 More General Terms 6 Additional Terms 7 References

More Specific Terms

• upper limb spasticity

Introduction

• Abnormally increased tone in a muscle. (also see NINDS Spasticity Information Page)

Etiology

• upper motor neuron disease

Clinical-manifestations

• velocity-dependent
• sudden release after reaching maximum velocity ( clasp-knife phenomenon)
• predominantly affects anti-gravity muscles

• upper limb flexors more than extensors
• lower limb extensors more than flexors

• distinct from rigidity & paratonia (2 other types of increased muscle tone)

More General Terms

• sign/symptom

Additional Terms

• muscle tone
• spastic paraplegia

References

1. nlmpubs.nlm.nih.gov/hstat/ahcpr/
2. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 107
3. NINDS Spasticity Information Page [1]

spasticity