A prominent or overdeveloped trapezius muscle can make the shoulders appear broader and the neck look shorter. For some people this is simply their natural anatomy; for others, frequent use of the trapezius muscles through exercise, posture or everyday movement can contribute to a more muscular appearance.
At Ai Beauty Clinic on Oxford Street, London, we offer trapezius botulinum toxin injections, sometimes referred to as Trap Tox, shoulder slimming injections or Barbie Botox, for suitable patients who want to soften the appearance of prominent trapezius muscles and create a more defined neck-to-shoulder line.
Treatment is carried out following a clinical assessment to determine whether trapezius muscle activity is actually responsible for the patient’s concerns. Botulinum toxin cannot change the underlying bone structure of the shoulders or correct structural/postural problems.
Ai Beauty Clinic operates under the CQC registration of Ms Miao Wang and is rated Good by the Care Quality Commission.
What are the trapezius muscles?
The trapezius is a large paired muscle extending from the back of the neck across the shoulders and into the upper back. It plays an important role in moving and stabilising the neck, shoulder blades and shoulders.
Because the upper part of the trapezius contributes to the visible contour between the neck and shoulders, a particularly prominent muscle can create the appearance of:
- broader or thicker shoulders
- a shorter-looking neck
- a raised or rounded shoulder contour
- prominent muscular areas between the neck and shoulders
However, shoulder shape is influenced by several factors, including bone structure, muscle development, body composition and posture. A clinical assessment is therefore important before considering treatment.
What causes prominent trapezius muscles?
Some people naturally have more developed trapezius muscles. In others, muscle size can be influenced by repeated activity.
Weight training, carrying heavy loads and movements involving frequent shoulder elevation can all recruit the trapezius muscles. Individual anatomy and movement patterns can also affect how prominently these muscles develop.
Posture can alter the appearance of the neck and shoulders, but it is important not to assume that every sloping or rounded shoulder is caused by an enlarged trapezius muscle.
If your concern is primarily related to skeletal anatomy or a musculoskeletal/postural condition, trapezius injections may not be the appropriate treatment.
How do shoulder slimming injections work?
Botulinum toxin temporarily reduces nerve signals to selected areas of the trapezius muscle.
Following treatment, activity in the injected portion of the muscle gradually decreases. Over time, reduced muscle activity may also reduce some of the muscular prominence, producing a softer transition between the neck and shoulders.
The objective is not to completely immobilise the trapezius muscle. Careful assessment, dosing and injection placement are important because the trapezius has an essential functional role in shoulder and neck movement.
Who may be suitable for trapezius Botox?
Treatment may be considered when a patient’s shoulder contour is significantly influenced by prominent trapezius muscles and they would like a less muscular appearance.
Before treatment, the practitioner should assess:
• the patient’s shoulder and neck anatomy
• trapezius muscle size and activity
• symmetry
• medical history
• previous botulinum toxin treatment
• the patient’s desired result
• whether the concern is muscular rather than primarily skeletal or postural
Not everyone who dislikes the appearance of their shoulders will benefit from trapezius injections.
What happens during treatment?
Your consultation begins with an assessment of the neck, shoulders and trapezius muscles.
If treatment is considered appropriate, the practitioner identifies the areas of muscle requiring treatment and administers botulinum toxin through a series of carefully positioned injections.
The treatment plan and amount used will vary according to the patient’s anatomy, muscle strength and treatment objectives rather than following the same injection pattern for everyone.
When will I see results?
Botulinum toxin does not work immediately.
A reduction in muscle activity develops gradually following treatment. Changes in the visible shoulder contour may take longer because reduction in muscular prominence occurs progressively.
Some patients may begin noticing changes within the first few weeks, although the timing and degree of improvement vary between individuals.
Results are temporary and maintenance treatment may be required if you wish to retain the effect.
What can trapezius Botox change — and what can’t it change?
This distinction is particularly important.
Trapezius injections may help: reduce excessive activity and prominence of the treated muscle and create a softer neck-to-shoulder contour in appropriately selected patients.
They cannot: alter the underlying skeleton, change clavicle position or correct structural causes of sloping shoulders.
This is why Ai Beauty assesses the cause of the shoulder appearance before recommending treatment.
Are there risks or side effects?
Botulinum toxin is a prescription medicine and treatment should only be undertaken following an appropriate medical assessment.
Temporary effects associated with injections can include tenderness, redness, swelling or bruising around the injection sites.
Because the trapezius is involved in shoulder and neck function, inappropriate placement or excessive weakening can potentially affect muscle function. Your practitioner will discuss relevant risks, contraindications and alternatives during your consultation.
Symptoms
A sloped shoulder is characterised by a large angle （≥20°）between the horizontal plane and the shoulder line. It also has a muscle knot that indicates overdeveloped trapezius muscles. Sloped shoulders will change the appearance to a shorter neck and a wider shoulder. If it happens on chubby people, the overdeveloped trapezius muscles will make them look bigger.
PubMed carried out research on some of the causes of an over-developed trapezius muscle here :https://pmc.ncbi.nlm.nih.gov/articles/PMC4522287/
Trapezius Botox at Ai Beauty Clinic London
Ai Beauty Clinic is located on Oxford Street in central London.
Treatments are provided within a CQC-regulated clinical environment by appropriately qualified practitioners. Our team includes GMC/NMC-registered medical professionals with NHS experience.
Rather than treating every prominent shoulder in the same way, we assess the patient’s anatomy and determine whether trapezius muscle reduction is likely to produce the desired cosmetic change.
Book a Shoulder Slimming Consultation
If you are concerned about prominent trapezius muscles, broad-looking shoulders or a short-looking neck-to-shoulder line, a consultation can establish whether trapezius botulinum toxin treatment is appropriate for you.
During your consultation we can assess your shoulder anatomy, discuss the result you would like to achieve and explain the expected benefits, limitations and risks before you decide whether to proceed.
Enquire About Trapezius Botox & Shoulder Slimming
Ai Beauty Shoulder Slimming Injection:
A collection of safe, effective and FDA approved shoulder slimming solutions are available including Azzalure (United Kingdom), Bocouture (Germany) and Botox (U.S.A.). Our practitioners are authorized by the manufacturers and are highly experienced with traceable qualifications.
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