Since you used the French terms ("QCM Orthopédie"), the following French resources are standard and often have free PDFs available:
The search for is a testament to your desire to succeed. But remember: owning the PDF is worthless if you don't use it actively. qcm orthopedie traumatologie pdf free
To help you get the exact practice files you need, let me know: Since you used the French terms ("QCM Orthopédie"),
SOFCOT (French Society of Orthopedic Surgery and Traumatology): qcm orthopedie traumatologie pdf free