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Understanding Shoulder and Arm Pain

Written by Anthony Albertini, Osteopath at Walnut Grove Clinic
19th March, 2026
Shoulder and arm pain

Bicep tendonitis is a common source of shoulder and upper-arm discomfort and at Walnut Grove we see it frequently among people in the Portishead community. It can affect anyone from those lifting weights at the leisure centre, to paddle boarders along the marina, parents carrying little ones, tradespeople working with tools and office workers spending long hours at a desk.
We look at bicep tendonitis through a holistic lens, considering not just the painful tendon, but also posture, lifestyle, movement habits and general wellbeing.

What is Bicep Tendonitis?

The biceps muscle sits at the front of the upper arm and connects to both the shoulder and elbow through tendons. Bicep tendonitis occurs when one of these tendons becomes irritated or inflamed, often due to repeated strain or overload.
Many people notice a gradual build-up of discomfort rather than a sudden injury. Everyday activities like reaching into cupboards, lifting shopping bags, gardening, or working at a computer can make the pain worse when the tendon is irritated.

Why It Happens

Some of the common reasons we see bicep tendonitis locally include:

  1. Repetitive movements – swimming, tennis, gym sessions, or even decorating projects.
  2. Postural strain – long hours commuting, working from home and laptops at the kitchen table for example.
  3. Muscle imbalance – weakness or tightness in the shoulder and upper back causing the tendon to work harder than it should.
  4. Natural ageing – tendons gradually lose elasticity over time, making irritation more likely.

At Walnut Grove Clinic, we explore which of these factors apply to you, not just the pain itself.

Symptoms People Commonly Notice

Bicep tendonitis often develops slowly and may include:

  • Pain or tenderness at the front of the shoulder.
  • A dull ache that worsens with lifting or overhead reaching.
  • Tiredness or weakness in the arm.
  • Clicking or catching sensations in the shoulder.
  • Pain at night, especially lying on the affected side.

If the tendon becomes severely damaged, a sudden sharp pain and a visible bulge may appear in the upper arm — this requires prompt assessment.

How We Assess Bicep Tendonitis

A detailed assessment by one of our practitioners, whether physiotherapist, osteopath or sports therapist, can usually identify bicep tendonitis. We look at: shoulder movement, muscle balance, posture and lifestyle contributors. If further investigation is needed, imaging such as an ultrasound or MRI can be arranged through appropriate referral pathways.

How We Treat Bicep Tendonitis at Walnut Grove Clinic

Our approach focuses on easing discomfort, improving movement and preventing the problem returning. Your personalised plan may include:

  • Rest and activity adjustment so you can continue moving without aggravating symptoms.
  • Ice and pain management guidance, helping reduce inflammation safely and comfortably.
  • Exercise-based rehabilitation, strengthening the shoulder, rotator cuff and shoulder-blade muscles to restore balance.
  • Manual therapy including osteopathy, massage and soft-tissue release to relax tight structures and support healing.
  • Posture and daily-life support – small adjustments at home, at your desk or during hobbies can make a big difference
  • Complementary therapies – some people benefit from acupuncture, shockwave therapy or therapeutic movement work.

Preventing Its Return

To protect your shoulders and arms long term, we often recommend:

  • Warming up before sport or activity.
  • Strengthening the upper back and shoulder.
  • Taking short breaks from repetitive tasks.
  • Adjusting workstation habits.
  • Gradually increasing activity levels.

These steps support healthy movement whether you’re exercising, working, parenting, or enjoying the outdoors.

When to Reach Out

If you have shoulder and upper-arm discomfort which persists for more than a few weeks, interferes with sleep, or affects your daily life, it’s a good time to seek help. Early guidance can prevent longer-term issues and get you back to comfortable movement sooner.

Here for the Portishead Community

At Walnut Grove Clinic in Portishead, we’re proud to support people of all ages and lifestyles across the town and surrounding areas. Our multidisciplinary team works collaboratively, helping individuals return to work, hobbies, sport, family life and daily activities with confidence and comfort. Call us or pay us a visit to see how we can help you.

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