Crossbridges

Question 1

Basal thumb arthritis

Answer 1

• 5 questions Age, activity , occupation , other side involvement, ADL i
• inspection findings
  
  • Shoulder sign
  • 1st dorsal interosseous wasting
  • thenar muscle wasting
  • thumb in hyperextension attitude
  • signs of steroid injection ( depigmentation, lipodystrophy, skin atrophy)
• palpatory findings
  
  • tenderness localisation for differential diagnosis
  • axial grind
  • test crank test
  • distal NV status
  • movements wrist and forearm thumb ( Painful limited flexion and extension) MCPJ

Question 2