How safe is your gym?
Gym hygiene and the dangerous bacteria that lurks within
Sonia Lambert
Last Update 5 months ago

Going to the gym is probably the most likely place to begin but, whilst intended to promote health and fitness, can actually pose significant health risks due to their potential as a breeding ground for germs and bacteria. The combination of shared equipment, sweat, and high-traffic areas creates an environment where micro-organisms can thrive and spread easily.
Here are some of the 'bacterial' hotspots:
Equipment Contamination
Gym equipment contains an alarming amount of hidden bacteria. Studies have shown that exercise machines can contain over 1 million germs per square inch. Free weights, in particular, have been found to have 362 times more bacteria than a toilet seat! This high concentration of micro-organisms is due to the constant contact with sweaty hands and bodies, coupled with inadequate cleaning between users.Exercise mats are among the most contaminated surfaces in gyms. Research has found that mats can contain almost eight times the amount of bacteria as yoga balls. These mats often come into direct contact with skin and are difficult to clean thoroughly, making them ideal breeding grounds for various micro-organisms.
Locker rooms and shower areas are particularly problematic due to their warm, moist environments. These conditions are perfect for the growth of fungi and bacteria. Shower floors have been found to contain over 39,000 colony-forming units of bacteria per sample, significantly higher than other gym surfaces.
Types of Micro-organisms
- Bacteria
Common bacteria found in gyms include:- Klebsiella
- Salmonella
- Pseudomonas
- Micrococcus
Fungal infections such as athlete's foot and ringworm are common in gym environments, particularly in shower areas and on mats.
- Viruses
Viruses like rhinovirus, which causes the common cold, can survive on gym surfaces for several days if not properly disinfected.Health Risks
The presence of these micro-organisms in gyms can lead to various health issues:- Respiratory infections
- Gastrointestinal illnesses
- Ear infections (from contaminated earphones)
Individuals with weakened immune systems or open wounds are particularly vulnerable to these infections.
To minimize the risk of infection, gym-goers should:
2. Bring personal yoga mats and water bottles.
3. Wear shower shoes or flip flops in locker rooms and showers.
4. Wash hands frequently and use hand sanitizer.
5. Avoid touching your face during workouts.
6. Shower immediately after exercising and launder gym clothes between uses.
How safe is your gym? Something to think about before packing your kit bag!
Register on the Nexwomen App