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Intermediate Knee Osteoarthritis Routine

Low-impact strength + mobility to support knee-friendly movement in ~25 minutes.

Warm-Up

Gentle joint prep. Increase circulation and lubricate the knee joint before strengthening.

March in Place
March in Place1m 30s
How to

A low-impact cardio move that warms up your legs and hips while raising your heart rate.

  1. Stand tall with your feet hip-width apart and arms at your sides.
  2. Lift one knee to hip height as you swing the opposite arm forward.
  3. Lower that foot, then lift the other knee and switch arms.
  4. Keep alternating sides at a steady pace.
  5. Slow down and plant both feet to finish.
Form cues
  • Stand tall with your chest up
  • Land softly under your hips
Common mistakes
  • Leaning back as you lift your knees
  • Stomping your feet on each step
Heel Slide
Heel Slide10x each side
How to

A lying leg slide that trains core control and hip movement one side at a time.

  1. Lie on your back with knees bent and feet flat.
  2. Brace your core and keep your low back steady.
  3. Slide one heel away until your leg is almost straight.
  4. Pull the heel back to the start with control.
  5. Finish your reps, then switch legs.
Form cues
  • Move slowly and stay braced.
  • Keep your pelvis still.
Common mistakes
  • Arching your lower back as the leg slides out.
  • Letting your hips rock side to side.
Quad Set
Quad Set20 sec each side
How to

An isometric thigh squeeze that trains your quadriceps with your leg straight.

  1. Sit or lie with one leg straight and the other relaxed.
  2. Flex your foot and press the back of your knee gently down.
  3. Tighten your thigh and hold, breathing steadily.
  4. Relax fully after the hold.
  5. Finish your holds, then switch legs.
Form cues
  • Keep your kneecap facing up
  • Squeeze the front of your thigh
Common mistakes
  • Holding your breath
  • Lifting your heel as you squeeze

Circuit A

Use a chair for support. Keep the knee tracking over toes; avoid deep angles if painful.

Sit to Stand
Sit to Stand10x
How to

A chair-based squat pattern that trains your thighs and glutes for standing strength.

  1. Sit near the front of a chair with feet flat and hip-width apart.
  2. Lean slightly forward and brace your core.
  3. Press through both feet and stand tall.
  4. Push your hips back and sit down with control.
Form cues
  • Keep your knees tracking over your toes
  • Stand tall at the top
Common mistakes
  • Letting your knees cave inward
  • Dropping hard onto the chair
Glute Bridge
Glute Bridge12x
How to

A floor hip lift that trains your glutes and hamstrings with both feet planted.

  1. Lie on your back with knees bent and feet flat, hip-width apart.
  2. Brace your core and press your arms lightly into the floor.
  3. Drive through your heels and lift your hips until your body forms a straight line.
  4. Squeeze your glutes at the top, then lower with control.
  5. Repeat for your reps.
Form cues
  • Keep your ribs down
  • Drive through your heels
Common mistakes
  • Arching your lower back at the top
  • Pushing through your toes
Standing Hip Abduction
Standing Hip Abduction10x each side
How to

A standing leg raise to the side that trains your outer hips and balance.

  1. Stand tall with one hand on a wall or chair for balance.
  2. Shift your weight onto one leg and brace your core.
  3. Lift the other leg out to the side without leaning your torso.
  4. Lower the leg with control to the start position.
  5. Finish your reps, then switch legs.
Form cues
  • Keep your toes facing forward.
  • Stand tall through each rep.
Common mistakes
  • Leaning your torso to lift the leg.
  • Turning your toes outward as you raise.
2 rounds · 20 sec rest
1 min rest

Circuit B

Step height should be low (bottom stair or sturdy platform). Hold the chair/rail lightly.

Step Up
Step Up8x each side
How to

A single-leg climb onto a step that trains your quads, glutes, and balance.

  1. Stand facing a sturdy step with one foot fully on top.
  2. Lean slightly forward and drive through the front foot to stand up.
  3. Bring your back foot onto the step with control.
  4. Step back down with the same back foot, then lower the front foot.
  5. Finish your reps, then switch legs.
Form cues
  • Keep your chest tall
  • Drive through your whole front foot
Common mistakes
  • Pushing off too much with the back foot
  • Letting your front knee cave inward
Single-Leg Stand (Supported)
Single-Leg Stand (Supported)20 sec each side
How to

A one-leg balance hold that trains stability in your foot, ankle, and hip.

  1. Stand tall with feet hip-width apart and arms relaxed.
  2. Shift your weight onto one foot and lift the other foot off the floor.
  3. Hold steady and breathe, keeping your body tall.
  4. Lower your foot with control when the hold is done.
  5. Finish your hold, then switch legs.
Form cues
  • Keep your hips level
  • Stand tall through your crown
Common mistakes
  • Leaning your torso far to one side
  • Letting your lifted foot rest on the floor
2 rounds · 20 sec rest

Cool-Down

Mobility and stretch. Downshift and restore comfortable range of motion around the knee and ankle.

Hamstring Stretch
Hamstring Stretch30 sec each side
How to

A held stretch for the back of your thigh that targets your hamstrings.

  1. Sit tall with your target leg straight and toes up.
  2. Hinge at your hips and reach toward your foot.
  3. Stop when you feel a gentle stretch behind your thigh.
  4. Hold the stretch and breathe slowly.
  5. Release slowly, then switch sides if stretching one leg.
Form cues
  • Keep your back long.
  • Hinge from your hips.
Common mistakes
  • Rounding your back to reach farther.
  • Bouncing in the stretch.
Calf Stretch
Calf Stretch30 sec each side
How to

A standing calf stretch that targets the back of your lower leg with a steady hold.

  1. Stand facing a wall and place your hands on it.
  2. Step one foot back and keep that heel on the floor.
  3. Bend your front knee until you feel a calf stretch.
  4. Hold and breathe slowly without bouncing.
  5. Finish the hold, then switch legs.
Form cues
  • Keep your back heel down
  • Point both toes forward
Common mistakes
  • Bouncing in the stretch
  • Letting the back heel lift
Loading Cartilage Without Crushing It

Loading Cartilage Without Crushing It

Quad Sets and Heel Slides build quadriceps activation and synovial fluid circulation without compressive joint load — the exact stimulus arthritic cartilage needs to stay nourished. Sit to Stand and Step Ups then introduce controlled weight-bearing to rebuild the quad-to-bodyweight strength ratio that erodes fastest with knee OA.

Why the Quad-Hip Connection Is Everything

Why the Quad-Hip Connection Is Everything

Knee OA progressively shifts load away from weakened quads onto passive structures, accelerating degeneration. Glute Bridges and Standing Hip Abduction target the hip abductors and posterior chain that stabilize your femur over your tibia — reducing the shear forces that make every step feel like grinding glass.

Sequencing Pain-Free Movement Patterns

Sequencing Pain-Free Movement Patterns

This routine follows a deliberate activation-to-loading arc: non-weight-bearing exercises prime the neuromuscular system before upright tasks demand it. Single-Leg Stand builds proprioceptive feedback that OA systematically degrades. Progress Step Up height or Bridge repetitions before adding any external load to keep adaptation outpacing inflammation.

Intermediate Knee Osteoarthritis Routine | Mighty Nimble | Mighty Nimble