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Beginner Rehabilitation

Straight Leg Raise

A fundamental quadriceps strengthening exercise commonly prescribed after knee surgery or injury. Straight leg raises target the quadriceps without placing stress on the knee joint, making them ideal for early-stage rehabilitation.

Duration
10 minutes
Sets & Reps
3 sets × 10 reps each leg
Difficulty
Beginner
Body Part
Knee & Leg

Equipment Needed

None – bodyweight only

Benefits

  • Strengthens the quadriceps without stressing the knee joint
  • Ideal for early-stage post-surgical knee rehabilitation
  • Improves thigh muscle control and endurance
  • Can be performed safely in bed or on the floor

How to Perform

  1. 1

    Lie on your back with one leg bent and the other straight.

  2. 2

    Tighten the thigh muscles of your straight leg.

    Tip: Press the back of your knee firmly into the floor first.
  3. 3

    Slowly raise the straight leg about 30 cm off the floor.

  4. 4

    Hold for 5 seconds, then slowly lower. Repeat on both legs.

Safety Tips

Keep the movement slow and controlled.
Do not arch your lower back during the lift.
Stop if you feel sharp knee pain.
Start with fewer repetitions if you find it challenging.

Who Should Avoid This Exercise

Acute hip flexor strain
Recent hip replacement (first 6 weeks)
Severe lower back pain that worsens with leg raising
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Hands-on physiotherapy techniques including joint mobilization, soft tissue manipulation, and myofascial release. Our skilled physiotherapists use manual therapy to restore joint movement, reduce pain, and improve tissue flexibility for a wide range of musculoskeletal conditions. With 14 years of experience and 5,000+ happy patients, PhysioNear connects you with skilled manual therapists across all 16 states. Most patients experience improved range of motion after just 2–4 sessions.

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More Knee & Leg Exercises

Frequently Asked Questions

When can I start straight leg raises after knee surgery?

Straight leg raises are typically one of the first exercises prescribed after knee surgery, often starting within 24-48 hours post-surgery. Your surgeon or physiotherapist will advise you on the exact timing based on your specific procedure and recovery progress.

Why is my leg shaking during straight leg raises?

Shaking or trembling during straight leg raises indicates muscle fatigue or weakness in the quadriceps. This is normal, especially after surgery or injury. It will improve with consistent practice. If shaking is severe, reduce the number of repetitions and build up gradually.

How many straight leg raises should I do per day?

A typical recommendation is 3 sets of 10 repetitions on each leg, performed 2-3 times per day. After surgery, your physiotherapist may recommend more frequent sessions with fewer repetitions. Always follow your specific rehabilitation program.

Professionally reviewed
| Reviewed by Siti Nabilah binti Abdullah, BSc Physiotherapy (UM), Certified Dry Needling Practitioner |

These exercises are for educational purposes only. Consult a licensed physiotherapist or healthcare professional before starting any exercise program. Stop immediately if you experience pain, dizziness, or discomfort. These exercises are not a substitute for professional physiotherapy treatment.