Muscle Strengthening Exercises
Isometric Exercises
Isometric exercises contract a muscle without moving the joint, such as pushing into a wall or holding a squat. They build strength with minimal joint stress and are often the first stage of strengthening after injury, surgery or in painful arthritis and tendon conditions.
What it does
Isometrics strengthen muscles at the angle they are held. They can reduce pain in tendinopathy and maintain strength when movement is limited.
You will often see it in our programmes for rheumatoid arthritis, tendinitis and knee osteoarthritis, and it features in our joint pain physiotherapy programmes.
How to do it
- Choose a position that is comfortable, such as a quadriceps set, wall squat or wall press.
- Contract the muscle to a moderate effort without moving the joint.
- Hold 5 to 45 seconds depending on the goal.
- Breathe normally throughout.
- Relax fully between holds.
How much
5 to 10 holds per exercise, once or twice a day.
Common mistakes
- Holding the breath, which raises blood pressure.
- Using maximal effort too early.
Stop and check with us if
- You have uncontrolled high blood pressure. Keep effort moderate and breathe.
Medical note
These instructions are general guidance, not a personal prescription. If you have a recent injury or surgery, a diagnosed condition, or symptoms such as numbness, weakness or dizziness, get assessed before starting. Stop and seek advice if pain increases sharply or you feel unwell.
Frequently asked questions
Are isometrics effective for strength?
Do isometrics raise blood pressure?
Related treatments
Joint Pain Physiotherapy
Assessment and treatment for stiff, swollen or painful joints.
Learn more RheumatologySystemic Lupus Erythematosus
Joint pain, fatigue and fitness in lupus. Paced exercise alongside medical care.
Learn more KneeKnee Osteoarthritis
Knee arthritis pain, stiffness and difficulty with stairs. Why strengthening is the most reliable long-term treatment.
Learn moreReady to feel better?
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