🏋ī¸ Interactive Visualization Muscle Fiber Types — recruit slow vs fast fibres Recruit slow-twitch fibres for a steady hold and fast-twitch fibres for a sprint — see why one resists fatigue and one delivers power, and why aging steals the fast ones first. Launch → đŸŠŧ Interactive Visualization Fracture Healing — rebuild a broken bone Follow a break through its four stages — blood clot, soft cartilage callus, hard bony bridge, then the long remodel back to normal — and see what smoking, movement or missing calcium do to it. Launch →

Orthopedics

X-ray film of a knee joint glowing on a lightbox
Orthopedics covers diseases and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons and muscles
Infographic: skeleton with bone, joint, tendon and spine highlighted
The 30 conditions in this specialty range from fractures and osteoporosis to tendon and ligament injuries, joint diseases such as osteoarthritis, and spine problems such as sciatica
3D broken bone healing from blood clot to bony bridge
A broken bone heals in four stages: a blood clot, a soft cartilage callus, a hard bony bridge, then a long remodel back to normal bone

Conditions

👟Achilles Tendinopathy ⛹ī¸ACL Tear (Anterior Cruciate Ligament) đŸĻļAnkle Sprain 👠Bunions (Hallux Valgus) 🎈Bursitis ⌨ī¸Carpal Tunnel Syndrome 🚨Compartment Syndrome ✋Dupuytren's Contracture ⚙ī¸Femoroacetabular Impingement (FAI) đŸ”ĨFibromyalgia 🧊Frozen Shoulder đŸĻ´Calcific Tendinitis đŸ’ŋHerniated Disc đŸ‘ĩHip Fracture 🎾Lateral Epicondylitis (Tennis Elbow) đŸĒ‘Low Back Pain đŸĻĩMeniscus Tear đŸĻŋOsteoarthritis đŸĻ Osteomyelitis đŸĨ€Osteonecrosis (Avascular Necrosis) đŸĻ´Osteoporosis 🏗ī¸Paget's Disease of Bone 🩴Plantar Fasciitis 🤾Rotator Cuff Injury 🏋ī¸Rotator Cuff Tear ⚡Sciatica 〰ī¸Scoliosis 🌡ī¸Septic Arthritis đŸšļSpinal Stenosis 🏃Stress Fracture đŸ’ĒTendinitis

Deep dives — Fibromyalgia: Central Sensitization Explained · ACR 2016 Diagnostic Criteria · Sleep & Non-Restorative Sleep · Low-Dose Naltrexone · Exercise Pacing & Graded Movement · Nutrient Gaps: Mg, D, B12 · Small-Fiber Neuropathy Overlap · Fibromyalgia & myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) Overlap

Orthopedics focuses on diseases and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.

All Orthopedics Articles A–Z

Every article in this specialty, listed alphabetically.

Connections

Orthopedics — scientific infographic poster