Orthopedics focuses on the musculoskeletal system. Learn about the diagnosis, treatment, and rehabilitation of bone, joint, ligament, and muscle conditions.
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Surgery lengthens the bone, but rehabilitation lengthens the limb. The soft tissues—muscles, tendons, nerves, skin, and blood vessels—do not grow as easily as bone. They must be stretched. If aggressive rehabilitation is not implemented, the muscles will prevail, causing the joints to become stiff or the new bone to bend.
Rehabilitation is a full-time job during the lengthening process. It involves daily physical therapy sessions, home exercises, and careful positioning. This section provides the playbook for a successful recovery. This section encompasses the essential stretches, the significance of nutrition, and the mental preparation required to complete the recovery process successfully.
Physical therapy (PT) usually starts while you are still in the hospital and continues 3 to 5 times a week during the lengthening phase. Your therapist is your coach. They will aggressively stretch your tight muscles to maintain range of motion.
For femur lengthening, the focus is on the iliotibial (IT) band and hamstrings to prevent the knee from getting stiff. For tibia lengthening, the focus is on the Achilles tendon to prevent “equinus contracture” (ballerina foot), where the heel can’t touch the ground. The therapist also works on gait training, teaching you how to walk safely with crutches or a walker without developing bad habits.
You cannot rely solely on your PT sessions. You must stretch at home, usually twice a day. This is homework you cannot skip.
Use a strap or towel to pull your foot up (dorsiflexion) to stretch the calf. Lie on your stomach to stretch the hip flexors. Do “quad sets” (tightening the thigh) to keep the knee straight. Sleeping with a knee brace or a specialized boot helps keep the muscles stretched all night, preventing morning stiffness.
Your body is building a massive amount of new tissue. It needs fuel. This is not the time for a diet. You need to increase your caloric intake and focus on protein, which is the building block of the bone’s scaffold.
Calcium and vitamin D supplements are almost always prescribed. 1200–1500 mg of calcium daily helps mineralize the soft new bones. Hydration is also key for tissue elasticity. Avoid alcohol, as it can inhibit new bone formation.
Lengthening puts stress on the blood vessels. Swelling (edema) is common. Elevate your legs whenever you are sitting or lying down.
Your doctor might prescribe blood thinners (like aspirin or Lovenox) to prevent blood clots (DVT), which are a risk due to reduced mobility. Doing “ankle pumps” (moving your feet up and down) helps pump fluid out of the legs and keeps blood moving.
The process is long and can be isolating. There will be days when you are worn out, sore, and frustrated. Lengthening fatigue is real.
Stay connected with friends and family. Join online support groups where you can talk to others going through the same process. Celebrate small victories—like reaching the halfway mark or the first sign of bone on X-ray. Keeping a positive mindset directly impacts your pain tolerance and motivation.
Once the bone is consolidated, you can slowly return to activity. It starts with walking without crutches, then low-impact exercise like swimming or biking.
High-impact sports, like running or jumping, are usually off-limits for at least 6–12 months after the lengthening stops. The new bone needs to remodel and become dense enough to handle the shock. Your surgeon will give you the green light based on X-rays.
The biggest enemy is contracture—permanent stiffness. If the knee or ankle becomes stuck, you may require another surgery to release the tight tendon.
If you notice you can’t straighten your knee fully or keep your heel flat, tell your doctor immediately. They might slow down the lengthening rate to let the muscle catch up. Listening to your body signals prevents permanent issues.
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It usually lasts until a few months after the lengthening stops. Once the tension is released, the muscles relax, and flexibility returns relatively quickly with continued PT.
Ice is effective for reducing pain and inflammation after physical therapy, while heat can be applied before therapy to relax tight muscles; however, avoid applying heat directly to a swollen area, as it may exacerbate swelling.
When you sleep, your feet naturally point down. If they stay that way for 8 hours while the bone is lengthening, the Achilles tendon shortens. The brace keeps the foot at 90 degrees, maintaining the stretch while you sleep.
Besides calcium and vitamin D, some surgeons recommend vitamin C, zinc, and silicon to support collagen production and healing. Always check with your doctor before starting new supplements.
You cannot drive while taking narcotics. You also cannot drive if your right leg (braking leg) has an external frame or if your range of motion is too limited to react quickly. Most patients wait until the consolidation phase.
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