Inspection | Carrying angle in full extension (men: 5 degrees, women: 15 degrees); compare with contralateral side | Decreased angle suggests supracondylar fracture; increased angle suggests lateral epicondylar fracture; consider possible ulnar nerve injury |
| Diffuse elbow joint swelling; joint held in flexion | Interarticular joint pathology |
| Swelling over olecranon | Olecranon bursitis |
Palpation | Biceps muscle and tendon tenderness or deformity | Ruptured distal biceps muscle or tendon |
| Cubital fossa tenderness or swelling | Joint capsule strain or hyperextension injury; look for median and musculocutaneous nerve injury |
| Epicondyles or distal humerus | Fracture |
| Radial head | Fracture or dislocation; consider radial nerve injury |
| Ulnar nerve in sulcus: tender or thickened area over nerve | Ulnar nerve injury or entrapment |
| Wrist extensor tenderness | Radial tunnel syndrome or lateral epicondylitis (tennis elbow) |
| Wrist flexor or pronator muscle group tenderness | Pronator syndrome or golfer's elbow |
Range of motion* | Flexion 135 degrees; extension 0 to 5 degrees; supination 90 degrees; pronation 90 degrees | If active range of motion is normal, no need to test passive range of motion; if active range of motion is abnormal and passive range of motion is normal, consider muscle or nerve injury; abnormal passive range of motion indicates joint pathology |
Muscle strength | Extension | Triceps muscle, radial nerve |
| Flexion | Brachioradialis muscle, musculocutaneous nerve |
| Pronation | Pronators, acute nerve irritation of branch median nerve |
| Supination | Biceps muscle, musculocutaneous nerve |
Sensory/neurologic | Biceps DTR | Musculocutaneous nerve C5 |
| Brachioradialis DTR | Radial nerve C6 |
| Triceps DTR | Radial nerve C7 |