| A | B |
| Arthritis | Inflammation of the joints resulting in stiff, painful joints |
| Scoliosis | Side to side curvature of the spinal column |
| Sprain | Acute injury to ligaments around joints |
| Strain | Acute injury to the muscle/tendo unit |
| Dislocation | surface of bone no longer in proper contacr |
| Osteoporosis | Bone matrix is lost and not replaced causing weakened bones |
| Osteosarcoma | Malignant bone neoplasm |
| Rickets | Loss of bone minerals related to lack of Vitamin D in infancy & Childhood |
| Osteomalacia | Loss of bone minerals related to lack of Vitamin D in adulthood |
| Osteomyelitis | Bacterial infection of the bone |
| Open Fracture | Bone pierces/protrudes through skin |
| Closed Fracture | Does not pierce/protrude through the skin |
| Complete Fracture | Total separation of bone fragments |
| Incomplete Fractures | Involve partially separated fragments |
| Comminuted Fracture | Involves many fragments |
| Osteoarthritis | Characterized by bone spurs and degeneration of articular cartilage |