Hard to bend joints due to stiff muscles

Check your symptoms and
find possible causes with AI for free

Yoshinori Abe

Medically Reviewed By:

Yoshinori Abe, MD

Internal medicine

Please choose the symptom you are most concerned about.

It will help us optimise further questions for you.

By starting the symptom checker, you agree to the Terms of Use.

Any other symptoms?

How Ubie can help you

With an easy 3-min questionnaire, Ubie's AI-powered system will generate a free report on possible causes.

Your symptoms

Input your symptoms

Our AI

Our AI checks your symptoms

Your report

You get your personalized report

Personalized Report

✔︎  When to see a doctor

✔︎  What causes your symptoms

✔︎  Treatment information etc.

People with these symptoms also use Ubie's symptom checker to find possible causes

  • Stiff, rigid muscles causing difficulty bending joints

  • Muscle rigidity

  • Stiff muscles and joints started first

Free. No signup needed.
Developed by doctors.

Learn More

Content updated on May 23, 2022

When to See a Doctor

Seek professional care if you experience any of the following symptoms

  • Involuntary movements

  • Fine tremor of the fingers

  • Muscle weakness in the limbs

  • Numbness / sensory disorder

  • Impossible to walk normally

  • Back pain

  • Abnormal sensation (tingling, prickling)

  • Disorder of consciousness

  • Head injury

  • Seizure attack

  • Unilateral blindness

  • Neck pain / stiffness

Possible Causes

  • Spasticity

    Spasticity is abnormal muscle tightness due to prolonged muscle contraction. IIt is usually associated with damage to the spinal cord, brain or nerves.

  • Influenza

    An infection causes by the influenza virus which usually affects the respiratory tract (nose-windpipe-lungs).

  • Spinal cord tumor

    A spinal tumor is a tumor that develops within the spinal canal or the bones of the spine. It can be life-threatening and cause permanent disability. Causes include environmental toxins, certain inherited syndromes, such as neurofibromatosis 2 and von Hippel-Lindau disease.

  • Brain edema

  • Polymyalgia rheumatica
  • Striatal substantia nigra degeneration
  • Muscular dystrophy
  • Scleroderma
  • Parkinson disease (PD)

Related Serious Diseases

  • Cerebral hemorrhage

    This is a life-threatening condition where there is bleeding into the tissues or spaces in the brain. It is a type of stroke. Causes include high blood pressure, dilated and weak blood vessels, bleeding from a tumour and head trauma. Risk factors include hypertension, excessive alcohol consumption and diabetes.

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have stiff muscle and/or joints that are not flexible even with assistance?

  • Do you have a fever?

  • Do you have headaches or does your head feel heavy?

  • Do you have problems focusing or a reduced sense of awareness in your surroundings?

  • Do you feel any numbness or change in sensation?

Other Related Symptoms

Similar symptoms or complaints

Yoshinori Abe

Medically Reviewed By:

Yoshinori Abe, MD

Internal medicine

in our Medical Expert Team

Free. No signup needed.
Developed by doctors.

Ubie is supervised by 50+ medical experts worldwide

Shohei Harase

Shohei Harase, MD


Kameda Medical Center, Japan

Sanshiro Kato

Sanshiro Kato, MD

Emergency department

Kawai Clinic, Japan

Yu Shirai

Yu Shirai, MD


Yotsuya Yui Clinic, Japan

Yoshinori Abe

Yoshinori Abe, MD

Internal medicine

Co-founder of Ubie, Inc.

Rohini R

Rohini R, MD

Ear, nose, throat (ENT)

Bayshore Health Centre, India

Seiji Kanazawa

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

National Center for Child Health and Development, Japan

View our medical experts