HEALTH AT WORK

Industrial Health

School Dinner Lady Developing Varicose Veins After Years of Standing on Hard Kitchen Tiles

14 October 2026 · Health at Work · AI-assisted draft

Photo: Anna Shvets / Pexels

If you have spent years serving meals, washing trays and working a commercial kitchen shift on solid tiled flooring, and you have started noticing aching, heavy legs by mid-afternoon, or visible twisted veins behind your knees and calves, you are not imagining it and it is not simply ageing. Prolonged standing on unyielding surfaces is a recognised occupational hazard, and school catering staff are among the most consistently exposed workers anywhere. This article explains exactly what is happening inside your legs, why kitchen floors make it worse, what early and late warning signs look like, what your employer is required to do, and what you should do if symptoms have already started.

What Varicose Veins Actually Are and Why Standing Causes Them

Veins carry blood back to the heart against gravity. Inside every vein in your legs is a series of one-way valves that open to let blood move upward and close to stop it falling back. When you walk, your calf muscles squeeze the veins with every step, acting as a pump. When you stand still, that pump stops. Blood pools in the lower leg, and the valves have to hold it there under continuous pressure.

Do this for several hours a day, five days a week, over years, and the valve leaflets stretch and weaken. Once a valve fails, blood falls back and accumulates below it, stretching the vein wall outward. That stretched, dilated, twisted vessel is a varicose vein. The process is slow and largely painless in its early stages, which is why so many catering workers dismiss the first signs until the condition is well established.

Hard flooring makes the problem meaningfully worse in two ways. First, standing on concrete or ceramic tile produces almost no rebound: every impact is absorbed entirely by the foot, ankle and lower leg, keeping the calf muscles in sustained low-level contraction that compresses the deep veins without producing the rhythmic pumping action that walking generates. Second, hard floors tend to encourage static standing posture. Workers on cushioned or anti-fatigue surfaces shift their weight, rock slightly and move more often without consciously deciding to. On hard tile, the body locks into a fixed position, and venous pooling accelerates.

Who Is Most Exposed in School Catering

School kitchen workers typically stand for between four and seven hours of a single shift. Within that time, the work is largely static or involves very short-range movement - stirring pots, loading trays, serving at a counter, stacking dishwasher racks. Unlike a chef who moves continuously around a restaurant kitchen, a dinner lady at a serving station may barely take ten steps in an hour.

The surfaces in institutional kitchens are almost universally ceramic tile or sealed concrete, chosen for hygiene and durability rather than worker comfort. These are among the hardest floors in any indoor work environment. Add the thermal environment - kitchens run hot, and heat causes peripheral blood vessels to dilate further, reducing venous return and increasing pooling - and the combination is one of the more consistent exposures to venous hazard of any indoor occupation.

Workers who are also pregnant, who have a family history of venous disease, who are in an older age group, or who carry excess body weight face a significantly elevated individual risk. But occupational exposure is an independent driver: studies of standing workers consistently show higher rates of chronic venous insufficiency even after controlling for personal risk factors. The floor and the shift pattern matter in their own right.

Early Signs You Should Not Ignore

The first signs are easy to miss or attribute to something else. Look for: a feeling of heaviness or tiredness in the legs that arrives progressively through a shift and is relieved by sitting down or raising the feet; mild aching or throbbing in the calf or behind the knee, especially toward the end of the working day; ankle swelling that has largely gone by the following morning; and visible small spider veins - fine red or blue networks just under the skin surface, typically on the calf or inner thigh.

These symptoms are the body signalling that venous return is impaired. They do not mean the damage is severe. At this stage, intervention is straightforward and effective. The mistake most workers make is waiting until the signs become unmistakeable before mentioning them.

Later-Stage Symptoms That Indicate Progression

If the occupational exposure continues without any intervention, the condition progresses. Later signs include: prominent, visibly bulging, tortuous veins along the calf and back of the thigh; persistent ankle and lower leg swelling that does not fully resolve overnight; skin changes around the inner ankle - a brownish discolouration caused by red blood cells leaking through stretched vein walls; skin that becomes progressively itchy, thickened and fragile in the same area (a condition called lipodermatosclerosis); and in the most advanced cases, venous leg ulcers - open wounds that are notoriously slow to heal and disproportionately common in people who have stood on hard floors in occupational settings for many years.

Varicose veins at this stage are not merely cosmetic. They represent a structural change to the venous system that requires medical assessment and, in many cases, clinical treatment. They also increase the risk of superficial thrombophlebitis - inflammation and clotting in a surface vein - and, though less commonly, contribute to conditions involving the deep venous system.

What Employers Are Required to Do

Under occupational health regulations in most jurisdictions, employers are required to assess the risks associated with prolonged standing and to implement controls proportionate to the level of risk identified. For school catering staff, this risk is well established and the duty to act is correspondingly clear. Stating that standing is inherent to the role is not an adequate response to a risk assessment finding.

Practical employer duties include: ensuring that appropriate anti-fatigue matting is provided at all static workstations - serving counters, preparation surfaces, dishwashing areas and cooking stations; reviewing shift and task scheduling to ensure that workers have genuine seated rest breaks built into the working day, not merely a notional entitlement on paper; making it operationally possible for workers to alternate between tasks that require standing and those that can be done seated or involve walking; providing footwear guidance and, where feasible, access to occupational health assessment for workers who report early symptoms; and monitoring health through periodic review so that emerging venous problems are identified before they progress to the stage where clinical treatment is the only option.

Anti-fatigue matting deserves specific attention because it is frequently purchased in inadequate form. Thin foam or rubber mats less than 12 to 15 millimetres deep provide minimal benefit. Effective anti-fatigue matting has sufficient density to return energy with each micro-movement, encouraging the subtle postural shifts that activate calf muscle pumping. In a kitchen environment, matting must also be grease-resistant, slip-resistant and easy to clean - and it must cover the full area where workers stand, not just a single strip in front of the most visible station.

What a Worker Should Do if Symptoms Have Already Started

If you recognise the early signs described above, the first practical step is to start wearing graduated compression hosiery during your working shifts. Class 1 or Class 2 compression stockings - properly fitted to your leg measurements, not generic support socks bought from a pharmacy shelf - exert gentle external pressure that counteracts the venous pooling caused by standing. They will not reverse damage already done, but they significantly slow progression and reduce the daily symptom burden. Speak to a pharmacist or a general practitioner about being measured correctly: ill-fitting compression can cause discomfort and occasionally worsen localised circulation.

Raise your legs above the level of your heart for at least twenty minutes during any extended break. This is not a luxury; it is a physiological intervention that helps drain pooled blood from the lower leg. If your workplace provides seating during breaks, use it with your feet elevated rather than sitting with legs dependent.

Report your symptoms to your manager and, if available, to the occupational health service. A formal record matters because it connects your health to your working conditions and obliges the employer to assess whether controls are adequate. Do not simply accept that aching legs are part of the job.

Seek a GP referral to a vascular surgeon if you have visible varicose veins that are causing pain, swelling, skin changes or are cosmetically distressing. Treatments including endothermal ablation and foam sclerotherapy are effective, minimally invasive and available in most healthcare systems. Early referral produces better outcomes than waiting until skin damage or ulceration occurs.

What People Most Often Get Wrong About This Condition

The most damaging misconception is that varicose veins are a cosmetic problem driven by genetics, and therefore nothing the employer can or should address. Genetics does influence individual susceptibility, but occupational standing is an independent and modifiable cause. Research comparing workers in standing occupations with sedentary controls consistently shows that the work environment contributes substantially to risk over and above family history.

A second common error is believing that compression hosiery and the occasional gel mat are the full extent of what can be done. They are the minimum. Task rotation, genuine seated breaks, floor redesign and health surveillance are all within the scope of what a responsible employer should provide - and in many jurisdictions, is required to assess for.

Finally, many workers wait until the condition is severe before speaking to anyone, partly because the early symptoms seem minor and partly because of a cultural sense that physical discomfort is simply part of working in a kitchen. It is not inevitable. Recognised, managed and addressed early, occupational venous disease is largely preventable. The floor you stand on, the breaks you are given and the footwear and support you are provided all determine whether thirty years of serving school meals leaves your legs intact or not. That is an occupational health issue, not a personal one, and it deserves the same attention as any other recognised workplace hazard.

Health at Work supports employers and occupational health teams in assessing standing hazards, implementing appropriate controls and providing health surveillance for workers in catering, food service and related environments where prolonged standing on hard surfaces is unavoidable.