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There are two major categories of work-related foot injuries. The first category includes foot injuries from punctures, crushing, sprains, and lacerations. The second group of injuries includes those resulting from slips, trips and falls. Slips and falls do not always result in a foot injury but lack of attention to foot safety plays an important role in their occurrence.
These two categories of foot injuries, however, do not exhaust the whole range of foot problems at work. There are also other conditions such as calluses, ingrown toenails or simply tired feet that are common among workers. Although these may not be considered as occupational injuries in the strictest sense, they can have serious consequences for health and safety at the workplace. They cause discomfort, pain and fatigue. Fatigue sets up the worker for further injuries affecting the muscles and joints. Also, a worker who is tired and suffering pain is less alert and more likely to act unsafely. An accident or incident of any kind may result.
Some foot problems are so common that they can occur in virtually any workplace and under any working conditions.
|Foot Problems||Common Causes|
|Severely aching feet, blisters, calluses, corns, rheumatism, arthritis, malformations of toes, fallen arches (flat feet), bunions, sprains||Long periods of standing, hard flooring, and poorly fitted footwear:|
- high heels
- pointed shoes
- lack of arch support
- too loose or too tight footwear
|Sweaty feet, fungal infections (athlete's foot)||Hot and humid environment, strenuous work, footwear with synthetic (non- porous) uppers|
There are no comprehensive statistics on these kinds of problems with feet. Surveys suggest that two out of every three workers suffer from some form of a foot problem.
Common foot problems occur both on and off the job. Still, there is no doubt that some work-related factors can lead to foot problems, especially jobs that require long periods of standing. Since the human foot is designed for mobility, maintaining an upright stance is extremely tiring. Standing for hours, day after day, not only tires the worker's feet but can also cause permanent damage. Continuous standing can cause the joints of bones of the feet to become misaligned (e.g., cause flat feet) and can cause inflammation that can lead later to rheumatism and arthritis.
The type of flooring used in the workplace has an important influence on comfort, especially on tender feet. Hard, unyielding floors like concrete are the least comfortable surfaces to work on. Working on a hard floor has the impact of a hammer, pounding the heel at every step. Slippery floors are hazardous for slips and falls that can result in sprained ankles or broken foot bones.
Footwear that fits poorly or is in need of repair also contributes heavily to foot discomfort. Pointed toes and high heels are particularly inappropriate for working footwear.
|Crushed or broken feet, amputations of toes or feet||Feet trapped between objects or caught in a crack, falls of heavy objects, moving vehicles (lift trucks, bulldozers, etc.), conveyor belts (feet drawn between belt and roller)|
|Punctures of the sole of the foot||Loose nails, sharp metal or glass objects|
|Cuts or severed feet or toes, lacerations||Chain saws, rotary mowers, unguarded machinery|
|Burns||Molten metal splashes, chemical splashes, contact with fire, flammable or explosive atmospheres|
|Electric shocks||Static electricity, contact with sources of electricity|
|Sprained or twisted ankles, fractured or broken bones because of slips, trips or falls||Slippery floors, littered walkways, incorrect footwear, poor lighting.|
Additional hazards for foot injury exist in outdoor jobs such as logging, hydro linework or fishing which involve freezing temperatures, or wetness in low temperature: frostbite and trench foot.
There is no workplace where a worker is immune to foot injury. However, the hazards differ according to the workplace and the types of tasks the worker does. The first step in developing a strategy to reduce foot problems is to identify the relevant hazards at the workplace. Such hazards should be assessed in each workplace, no matter how safe or how dangerous it may seem. Foot injuries then can be prevented by looking for measures through proper job design and/or workplace design, and identifying proper foot wear.
Aching, flat or tired feet are common among workers who spend most of their working time standing.
The most important goal of job design is to avoid fixed positions especially fixed standing positions. Good job design includes varied tasks requiring changes in body position and using different muscles. Job rotation, job enlargement and team work are all ways to make work easier on the feet.
Redesigning the job alone will not effectively reduce foot problems if it is not combined with the proper design of the workplace.
Job and workplace designs also have the potential to increase foot safety in workplaces that are specifically hazardous. Here are some examples:
Standing or working on a hard, unyielding floor can cause a lot of discomfort. Wood, cork, carpeting, or rubber – anything that provides some flexibility – is gentler on workers' feet. Where resilient floors are not practical, footwear with thick, insulating soles and shock-absorbing insoles can alleviate discomfort. Anti-fatigue matting can also be useful wherever workers have to stand or walk. They provide a cushioning which reduces foot fatigue. However, the use of matting requires caution. When installed improperly, it can lead to tripping and slipping incidents.
Special anti-slip flooring or matting can reduce slipping incidents. If installed properly, these mats are useful, but workers may find that their feet burn and feel sore. The non-slip properties of the flooring mat cause their shoes to grab suddenly on the flooring making their feet slide forward inside the shoes. Friction inside the shoes produces heat that creates soreness and, eventually, calluses. A non-slip resilient insole can reduce this discomfort.
Proper footwear is important, not only for foot comfort but also for one's general well-being. Improper footwear can cause or aggravate existing foot problems. Unfortunately, being fashionable sometimes takes precedence over choosing well-fitting, supportive safety footwear. However, many safety footwear manufacturers produce safety footwear that does look fashionable.
The best way to involve workers in programs to protect their feet is to provide:
Orthotics may help reduce foot issues.
Good footwear should have the following qualities:
People buying footwear for work should take the following advice:
When selecting footwear, one should remember that tight socks or stockings can cramp the toes as much as poorly-fitted shoes. Wrinkled socks, or socks that are too large or too small, can cause blisters. White woollen or cotton socks may be recommended since coloured socks cause skin allergies in some people.
In designing strategies to protect foot injury, one has to remember the fundamental principle of occupational health and safety: that occupational hazards should be eliminated at the source. The role of personal protective equipment is to minimize exposure to specific occupational hazards, not to eliminate them. Protective footwear does not guarantee total protection. The OSH Answers document Designing an Effective Personal Protective Equipment (PPE) Program discusses personal protective equipment in more detail.
All jurisdictions in Canada require that workers wear adequate protection against workplace hazards. For workers exposed to foot hazards, the required protection is protective footwear certified by the CSA Group (CSA Standard "Protective Footwear", CAN/CSA-Z195-14).
All working footwear, for both men and women, whether it is safety wear or not, should provide comfort without compromising protective value. In addition, protective footwear should conform with CSA Standard CAN/CSA-Z195-14 or appropriate standard for your jurisdiction.
Selection should be made to suit the specific working condition. Working outdoors in cold weather poses a special requirement on selecting the proper footwear. "Normal" protective footwear is not designed for cold weather. "Insulated" footwear may give little temperature protection in the sole if it has no insulation there. Loss of heat through steel toe caps (commonly blamed for increased heat loss) is insignificant.
Foot protection against cold weather can be resolved by:
Feet are subject to a great variety of skin and toenail disorders. Workers can avoid many of them by following simple rules of foot care:
Some feet sweat more than others and are more prone to athlete's foot. Again, following a few simple guidelines may help:
In cases of persisting ingrown toenails, calluses, corns, fungal infection and more serious conditions such as flat feet and arthritis, see a doctor and follow the doctor's advice.
Standing still requires considerable muscular effort. Even so, it is not exercise – only a strain. It does not allow for the alternate contracting and relaxing of muscles of the feet and legs.
To keep feet healthy, it is necessary to compensate for working in a stationary position. One action that can be done frequently on the job is alternately to contract and relax the calf muscles, and flex and straighten ankles and knees. Another bit of advice is to walk whenever practical instead of riding. More information on exercise for feet can be obtained from a foot specialist or from a local fitness centre.
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Although every effort is made to ensure the accuracy, currency and completeness of the information, CCOHS does not guarantee, warrant, represent or undertake that the information provided is correct, accurate or current. CCOHS is not liable for any loss, claim, or demand arising directly or indirectly from any use or reliance upon the information.