Japanese Orthopaedic Association Score (JOA) Assessment

The JOA Score assesses cervical myelopathy severity through motor and sensory checks. Doctors use this tool to track recovery and guide spinal treatment decisions.

Japanese Orthopaedic Association Score (JOA) PDF assessment form for cervical myelopathy
JOA

Japanese Orthopaedic Association Score (JOA)

Used to assess cervical myelopathy, the Japanese Orthopaedic Association Score (JOA) evaluates motor and sensory function in the extremities. This 17-point scale also checks bladder control, helping clinicians quantify disability levels. It's a standard tool for tracking functional status before and after surgery.

Category

Movement System
Mobility
Sensory
Physical health

Disease

Assessment
Clinical Measurement
Specialized Care
Rehabilitation

Source

(Japanese Orthopaedic Association, n.d.)

Author Name

Japanese Orthopaedic Association (1975)

What is Japanese Orthopaedic Association Score (JOA)

The Japanese Orthopaedic Association Score (JOA) is a trusted tool for checking cervical myelopathy severity. It helps doctors track spinal cord health. This scale looks closely at how well a patient can move and feel things. It focuses on motor skills in the arms and legs plus sensory issues and bladder control. The assessment splits into specific sections. It rates motor function in fingers and legs while also checking sensation in the trunk and limbs. The total score goes up to 17 points, and a lower number means the condition is actually much worse. Doctors use this mainly before and after surgery to see if treatment worked. It is handy in clinics and gives a clear picture of recovery. By spotting changes in daily tasks like using chopsticks or walking, it helps medical teams plan the best care for stronger long-term patient outcomes.

JOA Scoring

The Japanese Orthopaedic Association Score can be scored using one main approach focusing on function. It assesses cervical myelopathy severity across three key areas: motor function, sensory function and bladder control. You simply tally points from each section to get a total between 0 and 17. A score of 17 means you are fully functional, while lower numbers point to severe deficits. Clinicians often calculate a recovery rate percentage to track how well a patient bounces back after surgery, comparing pre and post op results against the max score.

View scoring form

Advantages

Outcome validation

Measures treatment effectiveness through standardised tools.

Treatment planning

Develops personalised strategies based on assessment data.

Research validity

Strengthens evidence through systematic measurement approaches.

10
Minutes
20
Questions

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