R.Du Hyun RoOrthopedics & Research
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Patient resourcesDaily activities and exercise

Daily activities and exercise

How to Stretch a Stiff Knee

The pups, the hips, and the eels move slowly to locate their positions.

At a glance

  • No. Distinguish a gentle muscle stretch from sharp joint pain, and avoid bouncing or pushing through pain.
  • The flexibility exercise and the muscle strength exercise have different roles. You can plan two things together for the current situation.

After sitting, the knee may feel stiff until you move. Stretching can help practice movement around the knee, but stiffness differs from true locking. If an injury is followed by sudden locking or major swelling, seek an assessment rather than pulling to release it. The examples here cover basic calf, thigh, and hip stretches.

Watching the movements, reading.

This is how it moves.

The video's title of the rehab parking is a distinction between those educational series. The range and amount of exercise is adjusted according to your joint condition and whether or not you have surgery.

Calf stretch with wall support · Demonstration from the original 2022 exercise materials
01

I'm going to pull the walls up.

One foot backwards, one heel behind the floor, and then you bend your front knee a little bit to look for the pull of the puppy.

원본 제작 자료의 동작 예시 화면 · Patient education and training materials (2022)

Examples of the work done by the original motion picture production material in 2022
02

I'm gonna lie down and stretch my thighs.

You take the thighs of your raised legs, you stretch knee slowly, and then you look for the range that your leg is pulling.

원본 제작 자료의 동작 예시 화면 · Patient education and training materials (2022)

Front thigh retraction and back muscles stretching · Examples of movement in 2022 exercise production material
03

Hold the bracelet and extend the front thigh.

They hold a wall or a fixed chair, lift the ankle with their opposite hand and bend it slowly. It doesn't wet your back or pull the knee tightly.

원본 제작 자료의 동작 예시 화면 · Patient education and training materials (2022)

Hip-region stretch · Demonstration from the original 2022 exercise materials
04

It's getting bigger around my ass.

You lie down, lift one ankle to the other leg and pull slowly with your lower leg. You can't push knee.

원본 제작 자료의 동작 예시 화면 · Patient education and training materials (2022)

Pulling harder is not the goal

Strengthening practices force; stretching explores muscle and tissue flexibility. Aim for a gentle stretch in your own range rather than copying a photo exactly. Warm up with light movement, breathe comfortably and avoid bouncing or enduring pain. Distinguish muscle stretch from sharp pain inside the joint to choose the range.

1. Supported calf stretch at a wall

Stand facing a wall with both hands supported and one leg behind. Keep the back heel down and slightly bend the front knee as you shift forward, seeking a gentle calf stretch. Avoid arching the back, raising the heel, or forcing the knee backwards into a lock. If supported standing is still unstable, ask for another position.

2. Supine hamstring stretch

Lie on your back, raise one leg, and support the thigh with your hands. Keeping it stable, slowly straighten the knee until the back of the thigh stretches gently. Avoid moving the pelvis and back for height or pressing hard behind the knee. A towel may help with guidance. Tingling or pain reaching the foot differs from a simple hamstring stretch.

3. Supported quadriceps stretch

Hold a wall or fixed chair with one hand and use the other to slowly bend the exercising leg by holding its ankle. Seek a front-thigh stretch without forcing the ankle to the buttock, arching the back, or rotating the pelvis. A towel or band may help, but balance comes first. Do not copy this position unchanged with front-knee pain or postoperative bending restrictions.

4. Supine hip and buttock stretch

Lie on your back and rest one ankle lightly on the opposite thigh. Support the lower thigh with both hands and gently bring it toward you to stretch the upper leg’s hip region. Do not force the knee outward. Repeat within comfort on the other side. Hip pain or postoperative hip restrictions require separate guidance.

Watch the Response before the Hold Time

Adjust demonstration positions and times to your joint. Notice side-to-side stiffness and how walking or straightening feels afterwards. Stretching complements strengthening and comfortable walking; it does not cure arthritis or repair torn ligaments. Reduce range with stabbing pain or tingling, and review persistent symptoms. Comfortable repetition is more sustainable than one forceful session.

How long should I hold, and how many times?

AAOS calf-stretch examples hold 30 seconds then rest 30 seconds; quadriceps examples hold 30–60 seconds and repeat 2–3 times. These are rehabilitation references, not universal OA targets. Warm up first and use a comfortable stretch, avoiding forced deep knee bending. Reassess sharp anterior/posterior knee pain. Stretching does not replace strengthening and aerobic activity.

After surgery, follow rehabilitation guidance appropriate to the operation and recovery stage.

Du Hyun Ro’s exercise videos

Watch the movement,
start at your own pace.

Explore strength and stretching exercises for people with arthritis. Adjust the range of motion and exercise volume to your knee condition.

Watch the exercise collection on YouTube

Common Questions

Do you have to stretch the more times you're sick?

No. Distinguish a gentle muscle stretch from sharp joint pain, and avoid bouncing or pushing through pain.

Do you feel better about your thighs just by stretching?

The flexibility exercise and the muscle strength exercise have different roles. You can plan two things together for the current situation.

Can you do all of this posture after surgery?

The permissible range varies depending on the type of surgery and recovery stage. We're going to follow the guided weight-bearing limitation first.

Read more

Seoul Hospital tv · [Knee rehabilitation, weeks 2–4] Supine hamstring stretchNICE · Osteoarthritis in over 16s: diagnosis and managementNIH/NIAMS · Osteoarthritis: Diagnosis, Treatment, and Steps to TakeAAOS OrthoInfo · Knee Conditioning ProgramDu Hyun Ro is a writer. · "Pursuing proper exercise" is what keeps knee healthy.AAOS OrthoInfo · Knee Conditioning Program

When to seek medical care

Each warning sign is a separate reason to seek care. Follow the action below if any one applies.

Emergency department · call 119 in Korea

  • Call 119 for sudden breathlessness or chest pain, severe faintness or loss of consciousness. Do not wait for calf swelling to appear.
  • Go to an emergency department if you suddenly cannot bear any weight, or if an injured knee swells rapidly or looks deformed. A cold or numb foot after injury also needs immediate assessment.
  • Seek emergency care for a hot, swollen and severely painful joint with high fever, shaking chills, confusion or inability to bear weight.
  • With back or leg pain, go immediately to an emergency department for new difficulty passing urine, loss of bladder or bowel control, or numbness around the genitals or anus. Severe or rapidly worsening weakness or numbness in both legs also needs immediate assessment.

Same-day assessment

  • Arrange assessment today for a newly hot, swollen joint, sudden severe pain, or a knee locked so that it cannot fully straighten. Joint infection can occur without fever.
  • Have new swelling or pain in one calf assessed today for a possible blood clot. Call 119 immediately if breathlessness or chest pain develops.
  • Severe knee pain or a new limp in a growing adolescent may come from a hip condition such as slipped capital femoral epiphysis. Stop walking and sport and arrange assessment today. Go directly to emergency care if they cannot bear weight.
  • Stop running and seek assessment today for new recurring groin pain, pain with walking or at night, or a limp. A femoral neck stress fracture needs to be considered. Keep weight off the painful leg until assessed. Go to emergency care if you cannot bear weight.

Book an outpatient appointment

  • If none of the warning signs above is present, book an appointment for pain lasting a few weeks, repeated swelling or reduced daily activity and exercise.