Medicine All of the following signs a can be seen in corticospinal tract injury except: A Positive Babinski sign B Difficulty in performing skilled movements of the distal upper limb C Superficial abdominal reflex absent D Clasp knife spasticity 💡 Explanation All of the following signs a can be seen in corticospinal tract injury except: ✓ Correct Answer: D. Clasp knife spasticity