Avascular Necrosis (AVN)

Have you ever been told that your running style is “wrong” and immediately wondered whether you need to change it? Advice online can make normal differences in movement look like faults. While certain running habits may be worth exploring—particularly when pain keeps returning—there is no single perfect stride, cadence or foot strike for every runner. At Weaver Physiotherapy & Sports Injury Clinic, we take an individual approach to running technique. Your training history, symptoms, strength, mobility, goals and the way you respond to load all matter. For runners in Northwich, Middlewich, Winsford, Knutsford, Sandbach, Frodsham and Tarporley, our Runner’s MOT and running gait analysis⁠ provides clear, personalised feedback rather than generic rules. What are common running form mistakes? A “running form mistake” is often better described as a movement habit to investigate. A pattern may look unusual without being harmful, and a video alone cannot confirm that it is the cause of pain. Common concerns include: Overstriding – the foot appearing to land well ahead of the body. Upper-body tension – raised shoulders, clenched hands, a tight jaw or stiff arm swing. Forcing foot strike – deliberately trying to run on the forefoot or heel when it feels awkward. Slumped posture – losing trunk control as fatigue develops. Abrupt changes in technique – trying to alter cadence, posture and foot strike at the same time. These patterns can change with pace, hills, footwear, fatigue, confidence and training load. Research has found limited evidence that individual biomechanics alone predict running injury, which is why form should be considered alongside the wider picture rather than treated as a diagnosis. Is there one correct way to run? No. Effective running does not look identical from person to person. Your anatomy, strength, experience, speed, terrain and fatigue level all influence your stride. A single photograph or short clip captures only one moment. It cannot explain how you feel during a run, what your training has involved that week, or whether a movement pattern is actually contributing to symptoms. If you are comfortable, progressing well and free from persistent pain, you may not need to change your technique simply because it differs from someone else’s. The aim is not to chase a “perfect” running style. It is to understand your own movement and make sensible adjustments only when they are relevant to your goals or symptoms. How to assess your running form safely Start with one question. Perhaps your foot feels as though it reaches too far forwards, your shoulders tighten on longer runs, or you notice discomfort appearing as you fatigue. During an easy run at your usual pace, consider: Does your breathing feel relaxed? Are your shoulders, hands and jaw unnecessarily tense? Does your stride feel comfortable and natural? Does your movement alter later in the run? Is there recurring pain during, after or the following day? If you use video, record a brief clip from a safe, consistent position beside the route or on a treadmill. Never hold or watch a phone while running. Footage can be useful for observation, but it should prompt questions—not provide a self-diagnosis. How to change running technique without overdoing it Avoid making dramatic changes based on a social-media tip or a one-size-fits-all rule. A sudden change in cadence, posture or foot strike may feel unnatural and can make it difficult to work out what is helping. Instead: Choose one area to explore. Use one simple cue during an easy run. Keep the adjustment gentle and brief. Notice how it feels during the run and over the next 24–48 hours. Do not introduce several technique changes at once. For example, if you feel tense through the upper body, a helpful cue may be “soft shoulders and easy arms” rather than forcing a rigid posture. If you are concerned about stride length, focus on a light, comfortable rhythm rather than trying to land in a prescribed position. Training progression matters too. Increasing distance, pace, hills and frequency too quickly can overload tissues, regardless of how your running looks. NHS advice recommends building running gradually and listening to pain rather than pushing through it. Read the NHS guide to common running injuries ⁠. When should you seek individual running advice? Consider a running assessment if pain: Keeps returning or becomes more severe Changes the way you run Persists after reducing or adapting training Is associated with swelling, weakness, limping or a loss of confidence Leaves you unsure which changes, if any, are appropriate Sudden severe pain, inability to bear weight, major swelling, numbness, deformity or a suspected serious injury should be assessed urgently. NHS guidance on sprains and strains explains when to seek urgent help. What can running gait analysis help with? A running gait analysis does not promise to predict injury or reveal one universal correction. It can, however, provide a clearer view of movement patterns in the context of your symptoms, training and goals. At Weaver Physio, our Runner’s MOT (/runners-mot)⁠ combines slow-motion video gait analysis with strength, mobility and movement assessment. We look at factors such as: Running rhythm and lower-limb control Trunk, hip, knee and foot movement Strength, balance and mobility Previous injuries and current symptoms Training volume, recovery and running goals Your findings are then used to create practical, personalised recommendations. This may include a gradual gait cue, running-specific strength work, mobility exercises, load-management advice or a structured return-to-running plan. Our Chartered Physiotherapists and Sports Rehabilitators bring more than 70 years of combined clinical experience to help runners move with greater understanding and confidence. Build a stronger, more confident running stride Running form is not a test you have to pass. A movement pattern may be worth exploring, but it does not automatically mean that something is wrong. Pay attention to comfort, recurring symptoms and changes that develop with fatigue. Make adjustments gradually, progress training sensibly and seek individual support if pain continues. For runners across Northwich and Cheshire, Weaver Physio’s running gait analysis service (/runners-mot)⁠ offers professional, tailored guidance to help you run stronger and with more confidence. Frequently Asked Questions Is there one correct running form for everyone? No. There is no single ideal foot strike, cadence or posture that applies to every runner. Comfortable, efficient running can look different depending on the individual, their pace, experience and physical characteristics. Can changing my running form cause pain? It can. Sudden or uncomfortable changes may increase stress in unfamiliar areas. Make one gradual change at a time and reduce or stop if pain worsens. How can I tell if I overstride? Overstriding may appear as the foot landing well ahead of your body, but this does not automatically mean it is causing a problem. A short video can provide useful context, while a gait assessment can help interpret the pattern alongside your symptoms and training. When should I book a running gait analysis? Book an assessment if pain is recurring, your running style has changed, you are returning from injury, or you would like clearer guidance about your stride and training. Weaver Physio supports runners from Northwich, Middlewich, Winsford, Knutsford, Sandbach, Frodsham, Tarporley and across Cheshire.