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Calf Implants

Calf implant surgery in London by Mr Metin Nizamoglu FRCS (Plast). Solid silicone calf augmentation for cosmetic enhancement and calf atrophy. 3D custom Anatomik Modelling implants available. Day case under TIVA. From £6,500.

Calf Implants in London

Calf implants are solid silicone devices placed within the calf muscles to increase their size, definition and shape. The implants are positioned above the gastrocnemius — the primary muscle responsible for the curved profile of the lower leg — through small incisions in the crease behind the knee. The result is a fuller, more defined lower leg that is proportionate to the rest of the body.

The procedure is performed for two distinct reasons: cosmetic enhancement in patients who find their calves naturally small or out of proportion despite regular exercise; and functional restoration in patients with calf muscle atrophy following injury, illness, or congenital conditions such as spina bifida or club foot.

For patients seeking mild to moderate volume increase or improved symmetry without implants, is available as an alternative technique using your own fat. The two approaches are compared in detail below.

All calf implant procedures at Centre for Surgery are performed by Mr Metin Nizamoglu FRCS (Plast), consultant plastic surgeon on the GMC Specialist Register, under as a day case at our .

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Mr Metin Nizamoglu FRCS (Plast) — Calf Augmentation Specialist

Mr Metin Nizamoglu is a consultant plastic surgeon on the GMC Specialist Register, holding the Fellowship of the Royal Colleges of Surgeons in Plastic Surgery (FRCS Plast). He subspecialises in body contouring and is the only surgeon at Centre for Surgery who performs calf augmentation procedures.

Mr Nizamoglu performs both implant-based calf augmentation and , allowing him to advise on the most appropriate technique for each patient’s anatomy and goals. For patients with calf atrophy from congenital conditions, injury or neurological disease, he works with to produce 3D custom-designed silicone implants made from high-resolution CT scan data — a service available at very few centres in the UK.

At consultation, Mr Nizamoglu assesses each patient’s lower leg anatomy, skin quality, the gastrocnemius muscle volume and symmetry, and the appropriate implant size and placement configuration to achieve a proportionate, natural-looking result.

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What Are Calf Implants?

Calf implants are solid silicone devices — not gel-filled like breast implants — made from a firm but flexible silicone elastomer. The solid construction means there is no risk of rupture or leakage. The material is biocompatible, durable and designed to mimic the resistance and feel of natural gastrocnemius muscle tissue.

The implants are placed in a subfascial pocket above the gastrocnemius muscle through a 5–7 cm incision in the popliteal crease (the natural skin fold behind the knee). This location keeps the scar inconspicuous and heals well. One or two implants can be placed per leg — a single implant augments the medial head of the gastrocnemius, producing the characteristic curved medial calf prominence; a second implant placed over the lateral head adds width and outer definition.

Calf implants differ from in several important ways: implants provide a predictable, defined increase in volume and shape that does not diminish over time; fat transfer offers a softer, more subtle result but a proportion of the injected fat is reabsorbed by the body in the months following the procedure. For patients seeking a significant, permanent increase in calf definition and size, implants are the more reliable option.

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Anatomy of the Calf Muscles

Understanding the anatomy of the calf helps explain both the goals of calf augmentation and why the results are achievable through implant placement.

The calf comprises two principal muscles. The gastrocnemius is the larger, more superficial of the two and is entirely responsible for the visible contour of the lower leg. It has two heads — a medial (inner) head and a lateral (outer) head — originating from the posterior femoral condyles and inserting via the Achilles tendon into the calcaneus. The medial head produces the characteristic curved prominence of the inner calf that is visible from the front, side and rear. The lateral head creates outer width and the fuller appearance when viewed from behind. The gastrocnemius produces plantar flexion — pointing the foot downward — and is most active during activities requiring explosive movement such as jumping and sprinting.

The soleus is a broader, flatter muscle that lies beneath the gastrocnemius. It also inserts into the Achilles tendon and contributes to plantar flexion, particularly during sustained standing and slow walking. The soleus is not the target of implant placement — it contributes to overall lower leg bulk but does not define the surface contour visible beneath the skin.

Calf implants are placed in the subfascial plane — above the gastrocnemius muscle but beneath the investing fascia of the lower leg. This pocket is well-defined anatomically and provides secure, stable implant positioning.

Calf Implant Before & After Photos

All photographs are taken with full written patient consent. They represent cases performed at Centre for Surgery by Mr Metin Nizamoglu. A wider range is available to view at consultation. Individual results vary.

Case 1 — Bilateral calf implant augmentation

Case 1 — Bilateral calf implant augmentation. Posterior and lateral views showing improved medial gastrocnemius prominence and overall lower leg definition.

Case 2 — Unilateral left calf augmentation

Case 2 — Left calf implant augmentation for calf asymmetry. Posterior view showing improved symmetry between left and right lower legs.

Case 3 — Bilateral calf augmentation with dual implants

Case 3 — Bilateral dual implant calf augmentation (medial and lateral heads). Posterior, lateral and anterior views showing enhanced lower leg width and definition from multiple angles.

Case 4 — Bilateral calf augmentation

Case 4 — Bilateral calf implant augmentation. Posterior and lateral views showing improved gastrocnemius definition and lower leg proportion.

Case 5 — Bilateral calf augmentation

Case 5 — Bilateral calf implant augmentation. Posterior view showing medial calf prominence and improved lower leg definition.

Case 6 — Bilateral dual implant augmentation

Case 6 — Bilateral dual implant augmentation (medial and lateral heads). Posterior, lateral and anterior views showing comprehensive lower leg definition improvement.

Case 7 — Bilateral calf augmentation

Case 7 — Bilateral calf implant augmentation. Posterior view showing improved medial gastrocnemius definition.

Case 8 — Bilateral calf augmentation

Case 8 — Bilateral calf implant augmentation. Posterior and lateral views showing improved lower leg definition and calf-to-ankle proportion.

Case 9 — Unilateral left calf augmentation

Case 9 — Left calf implant augmentation. Posterior view showing correction of left-sided calf volume deficiency and improved bilateral symmetry.

Case 10 — Unilateral right calf augmentation

Case 10 — Right calf implant augmentation. Posterior and lateral views showing correction of right-sided calf volume deficit and improved lower leg symmetry.

Am I Suitable for Calf Implant Surgery?

Suitability for calf implant surgery is assessed at consultation with Mr Nizamoglu. The procedure is appropriate for two broad patient groups:

For reconstructive cases with significant volume deficit or asymmetry, Mr Nizamoglu can produce a from CT scan data through Anatomik Modelling — providing a precise fit to the patient’s anatomy that is not achievable with standard off-the-shelf implants.

Where a patient has adequate donor fat but insufficient muscle bulk for implants, may be a more suitable option. This will be discussed at consultation.

Calf Implant Options — Materials, Sizes and Placement

All calf implants used at Centre for Surgery are solid silicone elastomer devices. The material is firm but compressible, mimicking the resistance of the gastrocnemius muscle on palpation. As a solid device, there is no risk of rupture or silicone gel leakage — the implant retains its shape permanently. The silicone is biocompatible and has a well-established long-term safety profile in soft tissue augmentation.

Calf implants are available in a range of sizes to accommodate different lower leg dimensions and desired outcomes. The appropriate size is determined at consultation based on the length and circumference of the calf, the existing muscle volume, the thickness of the overlying soft tissue, and the patient’s aesthetic goals. Oversizing carries a risk of implant edge visibility and skin thinning and is avoided.

For patients with significant calf atrophy or complex asymmetry, standard implant sizes may not adequately replicate the lost volume or match the contralateral leg. In these cases, Mr Nizamoglu can commission a 3D custom-designed implant from — computer-designed from a high-resolution CT scan to match the patient’s precise anatomy. Custom implants are considered the gold standard for muscle deficiency and atrophy cases. See below for full details.

3D Custom-Designed Calf Implants for Calf Atrophy

Centre for Surgery is one of the few centres in the UK to offer 3D custom-designed calf implants for patients with calf atrophy resulting from congenital conditions, neurological disease or trauma. This service is provided through a partnership with , a specialist manufacturer of computer-designed silicone implants.

Mr Nizamoglu arranges a high-resolution CT scan of both lower legs. The scan data is used to create a precise three-dimensional model of the patient’s anatomy, capturing the exact shape of the residual muscle, the overlying soft tissue depth, and the asymmetry relative to the unaffected leg.

The CT scan data is sent to Anatomik Modelling, where the implant is computer-designed to fill the precise volume deficit and replicate the contour of the unaffected leg. The implant is fabricated in biocompatible solid silicone. Design and fabrication typically takes several weeks — Mr Nizamoglu will advise on the current lead time at consultation.

The custom implant is inserted using the same subfascial technique as standard implants — through a popliteal crease incision behind the knee. The custom shape ensures the implant fills the available pocket precisely, minimising the risk of migration or rotation that can occur when a standard implant is used in an atrophied leg with irregular muscle geometry.

3D custom-designed calf implant for unilateral calf atrophy. Posterior and lateral views showing volume restoration and improved lower leg symmetry.

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The Calf Implant Procedure

Calf implant surgery is performed by Mr Metin Nizamoglu as a day case under at our . The procedure takes approximately two to three hours for bilateral augmentation.

With the patient standing, Mr Nizamoglu marks the popliteal crease incision positions and the boundaries of the subfascial pocket on each leg, confirming the implant placement plan.

TIVA is administered by a consultant anaesthetist. The patient is fully asleep throughout — no pain is experienced during the procedure.

A 5–7 cm incision is made in the popliteal crease behind the knee. This location is well-concealed within the natural skin fold and heals to a fine, inconspicuous scar.

The surgeon creates a subfascial pocket above the gastrocnemius muscle. The pocket dimensions correspond precisely to the implant size selected — correct pocket sizing is critical to preventing implant migration or rotation postoperatively.

The solid silicone implant is inserted into the pocket. Where dual implants are being placed, a second pocket is created over the lateral head of the gastrocnemius through the same incision. Implant position and symmetry are confirmed with the patient in multiple positions.

Incisions are closed with dissolvable sutures in layers. Support stockings are applied followed by a compression garment before the patient wakes from TIVA.

The nursing team monitors you for one to three hours after waking. A responsible adult must take you home — driving is not permitted on the day of surgery.

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Recovery After Calf Implant Surgery

Recovery from calf implant surgery requires more care than most body contouring procedures because the lower legs bear the body’s full weight during standing and walking. Following the postoperative protocol carefully directly reduces the risk of implant migration, wound complications and delayed healing.

Support stockings are applied at the end of surgery and worn continuously day and night for the first three weeks. These control swelling and limit implant movement in the early postoperative period while the pocket capsule begins to form. After three weeks they can be worn at night only for a further three weeks. Compression garments are not included in the procedure cost and must be purchased before surgery.

Light walking is permitted from day one. Avoid prolonged standing and walking for the first two weeks. Calf-loading activities — running, jumping, stair climbing at pace — should be avoided for six weeks.

Managed with paracetamol as required. Most patients describe a feeling of tightness and pressure in the lower legs rather than sharp pain. Discomfort is typically well-controlled by the end of the first week.

Desk-based work: one to two weeks. Roles requiring prolonged standing or walking require longer — typically three to four weeks minimum.

Light activity at two weeks. Full exercise including calf-loading gym training at six weeks, subject to Mr Nizamoglu’s review.

Physiotherapy may be recommended to restore range of motion and calf function, particularly in patients who had significant preoperative atrophy.

Initial shape visible once swelling reduces — typically from six weeks. Final result at three to six months. The solid silicone implants are permanent and do not degrade over time.

Wound check at seven to ten days. Surgeon review at six weeks. Three-month assessment included in your treatment package. 24/7 clinical support for the first 48 hours after surgery.

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How Much Do Calf Implants Cost in London?

The cost of calf implant surgery at Centre for Surgery depends on whether one or two implants are placed per leg, PRP Platelet Rich Plasma whether custom Anatomik Modelling implants are required, and the overall complexity of the procedure. Pricing is confirmed following a face-to-face consultation with Mr Nizamoglu.

The £100 consultation fee is redeemable against the cost of your procedure if you proceed.

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Finance is available through . 0% APR payment plans available subject to status.

Please note: compression garments are not included in the procedure cost and must be purchased separately before your surgery date. 3D custom Anatomik Modelling implants carry an additional cost — detailed at consultation.

Why Choose Centre for Surgery for Calf Implants?

Centre for Surgery is a CQC-regulated cosmetic surgery clinic at 95–97 Baker Street, London W1U 6RN. All calf implant procedures are performed exclusively by Mr Metin Nizamoglu FRCS (Plast).