Most Common Bone tumor

1. MC Bone tumor - Secondaries / Metastasis
2. MC Malignant Bone tumor -  Secondaries / Metastasis
3. MC Primary bone tumor - Multiple Myeloma
4. MC Benign bone tumor - Osteochondroma / Exostosis
5. MC True benign bone tumor - Osteoid Osteoma
6. MC bone tumor arising from flat bone - Chondroblastoma
7. MC Bone tumor with multicentric origin - Ewing's Sarcoma
8. MC Bone tumor from endothelium of Blood vessels -  Ewing's Sarcoma

Most Common Injured

1. MC ligament to undergo sprain : Antero-talo-fibular ligament
2. MC artery injured : Popliteal 
3. MC Nerve injured : Radial
4. MC Tendon injured : TendoAchlies

Most Common Bone fracture

MC Bone fracture in/during :

• Overall - Clavical
• RTA - Tibia
• Child birth - Clavical
• New Born - Clavical
• Childhood - 1. Lower end radius and ulna , 2. Clavical ,  3. Supracondylar Humerus