Elbow Osteoarthritis: Stiffness, Locking, and the Loose Body Question

Written by Nigel Chua, hand occupational therapist · 21 years treating fingers, hands, wrists, forearms and elbows · Singapore

The Elbow That Won’t Straighten, and Occasionally Jams

Elbow osteoarthritis is wear of the joint surfaces at the elbow, and it behaves differently from arthritis almost anywhere else: pain at the ENDS of the range rather than throughout it, loss of straightening before loss of bending, and episodes of sudden locking from loose fragments floating in the joint.

The mid-range stays comfortable for years, which is exactly why people ignore it until a fixed 30-degree bend has quietly become permanent.

Who gets it

Primary elbow OA is uncommon — it accounts for a small minority of elbow arthritis — and it has a distinct profile: men, dominant arm, forties to sixties, usually with a history of heavy manual work, throwing, or weight training.

Secondary OA is more common and follows an earlier injury: a radial head fracture, an olecranon fracture, or a past dislocation.

Inflammatory arthritis at the elbow behaves differently again — more diffuse pain, more swelling, and it is managed medically first.

The pattern that identifies it

Pain at full straightening — reaching for something, carrying a bag with the arm hanging
Pain at full bending — hand to mouth, phone to ear
Comfortable in the middle range
Loss of the last 20 to 30 degrees of extension, often before any pain worth mentioning
Grinding, and episodes of true LOCKING that resolve with a wiggle
Ulnar nerve symptoms — tingling in the ring and little fingers — in up to a fifth of cases, because osteophytes crowd the nerve’s tunnel

Pain at the ends with a quiet middle is a bony blocking problem. Pain throughout is a cartilage or inflammatory one. They do not get the same treatment.

The locking episodes are the detail people leave out because they sound trivial. A loose body wedging in a joint is not trivial — it is the thing that most reliably changes the plan.

What is actually blocking it

Unlike hip or knee OA, the cartilage at the elbow often survives reasonably well into advanced disease.

What limits you is BONE: osteophytes at the tip of the olecranon and on the coronoid, plus debris filling the little hollows those points drop into at each end of the range.

Mechanically, the elbow stops before the cartilage does.

That distinction is good news, because removing a bone spur is a far smaller undertaking than resurfacing a joint.

Treatment

Non-surgical. Genuinely effective for the low-grade version.

Stop forcing end-range — repeated jamming into full extension is what grows the spurs
Maintain the range you have with daily gentle motion; this is a joint that stiffens fast and forgives slowly
Activity modification for heavy pushing, dips, and locked-out overhead loading
NSAIDs for flares, corticosteroid injection for a settling window

Static progressive or turnbuckle splinting can recover extension in a stiff but not yet blocked elbow. It needs months, not weeks.

Debridement — arthroscopic or open. Spurs trimmed, loose bodies removed, the hollows cleared. The workhorse operation.

Week 0 to 1: motion started almost immediately — delay here costs range permanently
Week 1 to 6: active and assisted motion, sometimes with a continuous passive motion device
Week 6 to 12: strengthening
Month 3 to 6: full function
Typical gain is around 20 to 40 degrees of arc, with good pain relief; benefit tends to erode over 5 to 10 years

Ulnar nerve decompression is often done at the same time when nerve symptoms are present, since regaining flexion stretches an already irritated nerve.

Total elbow replacement is reserved for advanced disease, and it carries a permanent lifting restriction — usually in the region of 2 to 5kg, forever. That restriction is why it is rarely the right answer for an active manual worker in their fifties.

The window

Early, mild extension loss: maintainable with motion and load management
Established spurs with a good mid-range: debridement works well, and this is the sweet spot
Fixed contracture beyond roughly 45 degrees: the soft tissues have shortened too, and bone work alone won’t return the range
Advanced joint destruction: replacement, with the lifting ceiling that comes with it

A functional elbow needs roughly 30 to 130 degrees for daily life. Most people lose the top end and never notice until they cannot reach the back seat of the car.

The joint gives you a decade of warning in a language nobody taught you to read.