Finger Joints: MCP, PIP, DIP — and Why the Middle One Ruins Hands
MCP, PIP and DIP fail in completely different ways. Why the knuckle is splinted bent, why the middle joint ruins hands, and why rotation beats angulation in any finger fracture.
Anatomy
The anatomy of the finger, hand, wrist, forearm and elbow in plain language: the structures behind your pain and why they matter for recovery.
Elbow Anatomy: Three Joints in One, and Why It Stiffens So Fast
Three joints inside one capsule. Why the elbow stiffens faster than anything else in the arm, what attaches to each bony point, and the functional arc rehab actually aims for.
Thumb Anatomy: Why One Digit Is 40% of Your Hand
Surgeons rate the thumb at around 40% of hand function. Why opposition is the move nothing else can do, why the base joint wears out, and what that number changes about treatment.
Wrist Anatomy: The Eight Carpal Bones, and the Four That Matter
Eight small bones in two rows, held by ligaments rather than muscles. The four that matter clinically, the ligament that fails most, and why pointing beats describing.
The Nerve Map of Your Hand: Which Finger Belongs to Which Nerve
Median, ulnar, radial — each owns specific fingers and muscles. Which fingers go numb is the most useful fact you can bring to an appointment, and which half of the ring finger matters.
Hand Tendon Anatomy: Flexors, Extensors, and Why It Explains Your Symptoms
The muscles that move your fingers are in your forearm. How the flexor and extensor systems actually work, and why that explains most hand symptoms.