Synovial intra-articular recesses and periarticular sites evaluated by ultrasound
| Joint | Recess or site |
|---|---|
| MCP (1–5), PIP (1–5), MTP (2–5) | Dorsal recess |
| Lateral recess (PIP, MCP 1,2,5 MTP 5) | |
| Volar recess (PIP) | |
| Wrist | Intercarpal recesses |
| Radiocarpal recesses | |
| Ulnarcarpal recesses | |
| Volar carpal recesses | |
| Elbow | Anterior recess |
| Humeroradial joint | |
| Humeroulnar joint | |
| Posterior recess | |
| Shoulder | Subdeltoid bursa |
| Posterior glenohumeral recess | |
| Knee | Suprapatellar recess |
| Medial parapatellar recess | |
| Lateral parapatellar recess | |
| Medial femorotibial joint line | |
| Lateral femorotibial joint line | |
| Ankle | Anterior tibiotalar recess |
| Medial tibiotalar recess | |
| Lateral tibiotalar recess |
MCP, metacarpophalangeal joint; MTP, metatarsophalangeal joint; PIP, proximal interphalangeal joint.