Post-Fracture Recovery: Can Low-Frequency Therapy Aid Healing? - Orthopedics

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Can low-frequency therapy be used for rehabilitation treatment after a fracture?


Hello Doctor...
It has been almost 3 months since my ankle fracture surgery.
After removing the cast on August 27, the doctor said I only need to wear an ankle brace to walk.
My ankle is still quite swollen, and I still experience some pain while walking.
However, since I am pregnant, I have been resting at home, so the actual walking time is not long.
Is this okay? I would like to ask if I can use a commercially available low-frequency electrotherapy device (like the Funai mini type) to massage my ankle? (I am currently 34 weeks pregnant.) Additionally, besides walking, do I need to do other exercises for rehabilitation? Please address my concerns.
Thank you very much...

Wanzi Ma, 20~29 year old female. Ask Date: 2004/09/08

Dr. Hong Ximing reply Orthopedics


Hello, Maruko's mom! Thank you for your letter again.
It has been three months since your ankle fracture, and it should have healed by now.
Swelling in the foot is a normal phenomenon.
In addition to rehabilitation exercises, weight-bearing walking, joint mobility, and home foot hydrotherapy should be sufficient.
Please refrain from using low-frequency stimulation, as it may cause additional discomfort.
The swelling will naturally subside once you are able to walk normally.
Wishing you a speedy recovery.

Reply Date: 2004/09/08

More Info


Post-fracture recovery can be a challenging journey, especially after a significant injury like an ankle fracture. It’s great to hear that you are on the path to recovery, having had your cast removed and now using an ankle brace. However, it’s important to address your concerns regarding swelling, pain, and the use of low-frequency therapy.

Firstly, it’s not uncommon for swelling and pain to persist for some time after the removal of a cast. The body has undergone significant trauma, and healing takes time. The swelling can be attributed to several factors, including inflammation, fluid accumulation, and the body’s natural healing response. It’s essential to monitor the swelling and pain levels, especially as you begin to increase your activity levels.

Regarding the use of low-frequency therapy devices, such as the one you mentioned (船井迷你型), these devices can provide some benefits. Low-frequency electrical stimulation has been shown to promote blood circulation and may help reduce swelling and pain. However, it’s crucial to consult with your healthcare provider before using any such device, especially during pregnancy. They can provide personalized advice based on your specific condition and ensure that it is safe for both you and your baby.

In terms of rehabilitation, walking is a fundamental part of your recovery process, but it should be complemented with other exercises to enhance your healing. Here are some suggestions:
1. Range of Motion Exercises: Gentle ankle movements can help improve flexibility and prevent stiffness. Try moving your foot up and down, side to side, and in circles. These exercises can be done several times a day, as tolerated.

2. Strengthening Exercises: Once your pain decreases and you can tolerate more activity, consider incorporating strengthening exercises. Resistance bands can be helpful for this purpose. Exercises like ankle dorsiflexion, plantarflexion, inversion, and eversion can strengthen the muscles around your ankle.

3. Balance Training: As your ankle heals, balance exercises become crucial. Simple activities like standing on one foot or using a balance board can help improve stability and prevent future injuries.

4. Low-Impact Activities: If walking is too painful or if you want to vary your routine, consider low-impact exercises such as swimming or cycling, which can provide cardiovascular benefits without putting too much stress on your ankle.

5. Physical Therapy: If you haven’t already, consider consulting a physical therapist. They can create a tailored rehabilitation program that addresses your specific needs and helps you regain strength and mobility safely.

Lastly, it’s essential to listen to your body. If you experience increased pain or swelling during or after any activity, it may be a sign to modify your approach. Recovery is a gradual process, and patience is key. As you progress, you’ll likely find that your strength and mobility improve, allowing you to return to your normal activities.

In summary, while low-frequency therapy may offer some benefits, it’s vital to consult with your healthcare provider before proceeding. Complementing your walking with range of motion, strengthening, and balance exercises will aid in your recovery. Remember to take it slow and prioritize your health and safety, especially during pregnancy. Wishing you a smooth recovery and a healthy pregnancy!

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