Ace Physiotherapy and Sports in Singapore
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ACE PHYSIO SPORTS
East gate Building, 46 East Coast Road
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Ulnar Nerve Decompression
The ulnar nerve originates from the brachial plexus, a network of nerves in the shoulder. It travels along the medial border of the upper arm, passing between the biceps and triceps muscles. As it approaches the elbow, the ulnar nerve dives deeper into the fascia and passes through the cubital tunnel—a groove located at the posterior-medial aspect of the elbow, bordered by the medial epicondyle and the olecranon. Beyond the elbow, the nerve continues down the posterior-medial forearm and extends into the wrist, supplying sensation and motor function to the little finger and ring finger.
Compression of the ulnar nerve most commonly occurs at or around the cubital tunnel in the elbow. This can result from a build-up of scar tissue, thickened fascia, or displaced muscle tissue, which reduces the space within the tunnel and pinches the nerve—especially when the elbow is bent. Trauma or high-impact injuries to the elbow may trigger scar tissue formation, inflammation, or misalignment of the joint capsule, further compressing the nerve. Additionally, conditions like osteoarthritis can lead to bony growths (osteophytes) inside the cubital tunnel, which can press against the ulnar nerve from below.
If the pressure on the ulnar nerve is caused by permanent structural changes, such as scar tissue or bony overgrowths, conservative treatments may not provide lasting relief. In such cases, surgical intervention—commonly called Ulnar Nerve Decompression Surgery—may be recommended to relieve the nerve compression, restore normal function, and reduce symptoms such as pain, tingling, or weakness in the hand and forearm.
Surgical procedure for Ulnar Nerve Decompression.
The standard surgical approach for Ulnar Nerve Decompression involves administering a general anaesthetic, followed by a long incision along the posterior medial border of the arm. This exposes the ulnar nerve well above and below the elbow joint. The surgeon carefully inspects the nerve’s pathway and removes any scar tissue, bony growths, or other structures that are restricting its normal course. Once decompressed, the nerve is allowed to return to its natural position, reducing compression and minimizing the risk of complications.
In cases where the cubital tunnel is severely narrowed due to bony growths or trauma to the surrounding condyles, the surgeon may opt to reposition the ulnar nerve along a new pathway. This procedure, known as anterior transposition of the ulnar nerve, is more complex because the nerve must retain an adequate blood supply throughout the surgery. While there is a higher risk of complications—such as altered sensation in the hand or reduced grip strength—both standard decompression and transposition procedures are generally considered routine, safe, and effective for relieving ulnar nerve compression.
Physiotherapy following Ulnar Nerve Decompression
After ulnar nerve decompression surgery, following your physiotherapy programme is crucial for a rapid and complete recovery. Physiotherapy helps maintain full active range of motion in the elbow and forearm, prevents restrictive scar tissue formation, and restores strength and function in the hand, wrist, and forearm. Adhering to a structured rehabilitation plan also reduces the risk of long-term complications such as stiffness, weakness, or altered sensation, supporting a safe return to everyday activities, work, and sports.
Treatment after ulnar nerve decompression surgery will focus on restoring strength, flexibility, and protection around the nerve. Strengthening exercises will stabilise the elbow and surrounding muscles, reducing stress on the nerve as it travels along the arm. Stretching exercises will maintain joint flexibility, promote proper alignment of scar tissue, and prevent shortening of connective or nerve tissue. Your physiotherapist will also provide guidance on supportive splints, strategies to avoid excessive elbow flexion, and modifications to daily activities to protect the healing nerve and optimise recovery.
Summary
Ulnar nerve compression can be very uncomfortable, especially if the elbow is kept in a flexed position for long periods, such as overnight during sleep. In many cases, standard physiotherapy is sufficient to relieve symptoms of ulnar nerve compression. However, certain conditions or cumulative wear and tear may require surgical intervention for lasting relief. Following surgery, physiotherapy is essential to achieve the best possible recovery. Our team of experienced musculoskeletal and neurological physiotherapists uses a range of therapeutic techniques tailored to your individual clinical needs to optimise healing, restore function, and prevent future issues. For more information on how physiotherapy can support your rehabilitation after ulnar nerve decompression surgery, please contact us at admin@acephysiosports.com or call +65 81535374.
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