Musculoskeletal Disorders in Irish Construction: Causes, Prevention, and Employer Duties

MSDs are the most common cause of work-related ill health in Irish construction.

# Musculoskeletal Disorders in Irish Construction: Causes, Prevention, and Employer Duties Musculoskeletal disorders (MSDs) are the most common cause of work-related ill health in the Irish construction industry. They affect the muscles, tendons, ligaments, nerves, and joints — particularly the back, neck, shoulders, arms, and hands. MSDs cause pain, reduced mobility, and in severe cases, permanent disability. They are also the leading cause of long-term absence from work in construction. Despite their prevalence, MSDs are often treated as an inevitable consequence of physical work. They are not. Most MSDs that occur in construction are preventable, and Irish employers have clear legal obligations to assess and control the risks. ## What Are Musculoskeletal Disorders? Musculoskeletal disorders is an umbrella term that covers a wide range of conditions affecting the body's movement system. In the construction context, the most common MSDs include: **Lower back pain and injury.** The most prevalent MSD in construction, caused by manual handling, awkward postures, whole-body vibration, and prolonged static postures. Lower back disorders account for a significant proportion of all construction-related absence. **Upper limb disorders.** Conditions affecting the shoulders, arms, wrists, and hands, including rotator cuff injuries, tennis elbow, carpal tunnel syndrome, and tendinitis. These are often caused by repetitive movements, forceful exertions, and awkward postures. **Neck and shoulder disorders.** Often caused by working with the arms raised above shoulder height, or by static postures maintained for long periods. **Knee disorders.** Common in trades that involve kneeling — tilers, flooring contractors, plumbers, and electricians. Prolonged kneeling causes bursitis (inflammation of the fluid-filled sacs around the knee joint) and can damage the cartilage. **Hand-arm vibration syndrome (HAVS).** A specific MSD caused by prolonged use of vibrating hand tools. HAVS causes permanent damage to the nerves, blood vessels, and joints of the hands and arms. It is covered in detail in a separate guide on vibration at work. ## Causes of MSDs in Construction MSDs in construction are caused by a combination of physical, organisational, and individual factors. The main physical risk factors are: **Manual handling.** Lifting, carrying, pushing, pulling, and handling heavy or awkward loads. Construction involves extensive manual handling — blocks, kerbs, pipes, steel, timber, and bags of cement are all regularly handled manually. **Repetitive movements.** Performing the same movement repeatedly over a long period. Tiling, plastering, painting, and many other construction trades involve highly repetitive movements that can cause upper limb disorders. **Awkward postures.** Working in positions that place the body under stress — bending, twisting, kneeling, reaching overhead, or working in confined spaces. Many construction tasks require workers to adopt awkward postures for extended periods. **Forceful exertions.** Applying significant force with the hands or body — tightening bolts, driving fixings, or using hand tools that require significant grip force. **Whole-body vibration.** Operating plant and vehicles that transmit vibration through the seat to the whole body. Excavator operators, dumper drivers, and workers on compacting equipment are particularly exposed. **Static postures.** Maintaining the same posture for a long period without movement. This can cause fatigue and injury even when the posture itself is not particularly awkward. ## Legal Requirements The primary legal requirement for managing MSD risks in Ireland comes from the Safety, Health and Welfare at Work (General Application) Regulations 2007, which include specific regulations on manual handling and display screen equipment. **Part 2 of the General Application Regulations** covers manual handling. It requires employers to: - Avoid the need for manual handling where possible, by using mechanical aids - Where manual handling cannot be avoided, carry out a risk assessment of the manual handling tasks - Reduce the risk of injury from manual handling, taking into account the nature of the task, the load, the working environment, and the individual's capability - Provide training and information to workers who carry out manual handling **The Safety, Health and Welfare at Work Act 2005** imposes a general duty to manage risks to health and safety, which includes MSD risks beyond manual handling — repetitive movements, awkward postures, and whole-body vibration. **The Safety, Health and Welfare at Work (General Application) Regulations 2007, Part 5** covers whole-body vibration and requires employers to assess exposure, implement controls, and provide health surveillance where exposure exceeds the action values. ## Risk Assessment for MSDs A risk assessment for MSDs should identify the tasks that create MSD risks, assess the level of risk, and identify the controls needed to reduce the risk to an acceptable level. The HSA recommends using a structured approach to MSD risk assessment. The key factors to assess are: | Factor | Questions to Ask | |---|---| | Task | Does the task involve repetitive movements? Forceful exertions? Awkward postures? | | Load | Is the load heavy? Bulky? Difficult to grip? Unstable? | | Working environment | Is there sufficient space? Is the floor stable? Is the temperature extreme? | | Individual capability | Is the worker physically capable of the task? Are there any health conditions that increase their risk? | | Duration and frequency | How long does the worker perform the task? How often? | The assessment should be carried out by a competent person and reviewed whenever there is a change in the work, the environment, or the workforce. ## Control Measures The hierarchy of controls for MSDs follows the same principles as any risk assessment: eliminate the risk where possible, then substitute, then engineer controls, then administrative controls, then personal protective equipment. **Elimination.** Can the task be redesigned to eliminate the MSD risk? For example, can materials be delivered to the point of use to eliminate carrying? Can a task be mechanised to eliminate manual handling? **Substitution.** Can a lighter or more manageable material be used? Can a tool that requires less force be substituted for one that requires more? **Engineering controls.** Can mechanical aids be used to reduce manual handling? Hoists, trolleys, pallet trucks, pipe clamps, and block-laying equipment can all significantly reduce MSD risks. Can workstations or work areas be designed to reduce awkward postures? **Administrative controls.** Can work be organised to reduce exposure? Job rotation, rest breaks, and varying tasks can reduce the cumulative effect of repetitive movements and awkward postures. Can the pace of work be adjusted to allow workers to work safely? **Training and information.** Workers should be trained in safe manual handling techniques and made aware of the MSD risks in their work. Training alone is not sufficient — it must be combined with engineering and administrative controls. ## Practical Steps for Construction Employers **Review your risk assessments.** If your risk assessments do not specifically address MSD risks — manual handling, repetitive movements, awkward postures, and whole-body vibration — they need to be updated. **Invest in mechanical aids.** The upfront cost of a hoist, trolley, or block-laying machine is typically far less than the cost of a worker's long-term absence due to a back injury. **Design work to reduce awkward postures.** Where possible, organise work so that tasks can be performed at a comfortable height and without sustained bending, kneeling, or reaching overhead. **Implement job rotation.** Rotating workers between tasks that use different muscle groups reduces the cumulative effect of repetitive movements. **Provide training.** Ensure all workers receive manual handling training and are aware of the MSD risks in their specific tasks. **Monitor health.** Consider providing health surveillance for workers in high-risk roles — particularly those exposed to whole-body vibration or who carry out highly repetitive tasks. ## Conclusion Musculoskeletal disorders are the most common cause of work-related ill health in Irish construction, but they are largely preventable. The legal obligations are clear: employers must assess MSD risks, implement controls, and provide training and information to workers. The investment in preventing MSDs pays for itself many times over in reduced absence, lower insurance costs, and a more productive workforce. Workers who are not in pain work more safely and more effectively. If you need assistance reviewing your risk assessments for MSD risks, or developing a manual handling programme for your company, Safety Check can help. Contact us at [safetycheck.ie/contact](https://www.safetycheck.ie/contact). ## References [1] Safety, Health and Welfare at Work (General Application) Regulations 2007, Part 2 (Manual Handling). Available at: https://www.irishstatutebook.ie/eli/2007/si/299/made/en/print [2] Safety, Health and Welfare at Work Act 2005. Available at: https://www.irishstatutebook.ie/eli/2005/act/10/enacted/en/html [3] Health and Safety Authority - Musculoskeletal Disorders. Available at: https://www.hsa.ie/eng/your_industry/general_safety_and_health_management/musculoskeletal_disorders/ [4] Health and Safety Authority - Manual Handling. Available at: https://www.hsa.ie/eng/your_industry/general_safety_and_health_management/manual_handling/