Patient question

My knee gets stuck when I rise from sujood. What causes it?

Dr. Pablo GelberOrthopaedic Knee Surgeon

Quick answer

Catching or brief locking as you rise from sujood, tashahhud or sitting on the floor usually involves the back part of the meniscus, which is squeezed hardest in deep bending. A torn posterior horn often catches here. Arthritis and kneecap problems can also, says Doha knee surgeon Dr. Pablo Gelber at Aman Hospital in Qatar.

Why deep bending is the trigger

Kneeling for sujood and sitting back on the heels or cross-legged take the knee to its deepest bend, often combined with some twisting. In this position the rear portion of each meniscus, the posterior horn, is compressed between the bones. A tear here, even a small degenerative one, can catch as you push up and straighten, causing a sharp pain at the back or inner side of the knee and a moment where the knee will not move until something shifts.

Other causes include a Baker's cyst that makes full bending tight, cartilage wear that catches under load, and kneecap irritation, which causes pain at the front when rising.

Adjusting prayer while the knee settles

Use a cushioned prayer mat or a folded mat under the knees
Rise slowly using your hands or a nearby support, leading with the stronger leg
Avoid sitting back fully on your heels or cross-legged if it provokes the catch
Praying seated on a chair, with gestures for ruku and sujood, is a recognised option for people with knee pain; your imam can advise you on the details
Keep the knee moving through its comfortable range between prayers

When it is more than a nuisance

See a knee surgeon if the knee catches with nearly every prayer, swells afterwards, or has locked so you could not straighten it for minutes or longer. Seek prompt care if it locks and stays locked. Do not force the knee straight or let someone pull on it.

Assessment and treatment in Doha

At Aman Hospital, Dr. Gelber asks exactly which position triggers the catch, examines the joint line and meniscus and checks how far the knee bends compared with the other side. An MRI shows the meniscus in detail. Many degenerative tears in middle-aged and older adults improve with physiotherapy and temporary changes to floor sitting. When a tear keeps catching or locks the knee, keyhole surgery can repair or trim the unstable part. A key goal of treatment for many patients in Qatar is returning to comfortable prayer, and that is built into the rehabilitation plan.

Frequently asked questions

Will I be able to kneel for prayer again?

Many patients return to kneeling and sujood after treatment, though the timing depends on the problem and any surgery. After meniscus repair, deep bending is usually avoided for several weeks while the repair heals.

Is sitting on a chair to pray bad for my knee?

No. Chair prayer reduces deep bending and is a reasonable short-term measure while you work on strength and get the knee assessed.