What Is a Knee Joint Infection? The knee joint is a complex structure made up of bones, cartilage, ligaments, and other tissues that work together to allow smooth movement. The joint is lubricated by synovial fluid, which reduces friction during motion. When this fluid becomes infected by bacteria, the condition is known as septic arthritis. […]
Understanding Knee Clicking Knee clicking or popping is a common experience and, in many cases, is harmless. The knee is a complex joint made up of bones, cartilage, ligaments, tendons, and muscles that work together to support body weight during standing, walking, bending, and exercise. During movement — especially squatting, climbing stairs, or high-impact activities
What are thumb sprains and strains?Thumb sprains involve overstretching or injury to ligaments, while strains affect tendons. Both can occur with gripping, falls, sports, or repetitive workplace tasks. Symptoms may include pain, tenderness, swelling, and difficulty pinching or holding objects. Workplace & Canadian first aid relevanceMany jobs require fine motor control, tool use, or manual
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What are repetitive stress injuries of the thumb?Repetitive stress injuries (RSIs) occur when tissues are irritated by repeated movements or sustained force over time. The thumb is especially vulnerable because it handles gripping, pinching, texting, tool use, and fine motor tasks. Overuse can affect tendons, joints, and ligaments, leading to discomfort or reduced mobility. Canadian
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What is a valgus knee brace?A valgus knee brace (also called an “unloader brace”) is designed to shift some of the pressure away from the inner (medial) compartment of the knee. This may help reduce discomfort in people with medial osteoarthritis, where gradual wear-and-tear affects the inner portion of the knee joint. Canadian & workplace
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What is an inflamed elbow joint?Elbow inflammation can involve the joint itself or nearby soft tissues such as tendons, ligaments, bursae, and muscles. Common examples include bursitis, tennis elbow, golfer’s elbow, and tendinitis. Inflammation may lead to discomfort, reduced range of motion, and swelling around the joint. Workplace & Canadian first aid relevanceElbow irritation is
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What is radiating knee pain?The knee is the largest synovial joint in the human body, made up of bone, cartilage, ligaments, tendons, and other moving structures. While knee pain often stays local, radiating knee pain spreads to surrounding areas such as the thigh, calf, or even the hip. This pattern can occur due to the
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The wrist is a complex joint that helps us perform both fine motor tasks and larger movements. Because of this complexity, wrist fractures can lead to lingering discomfort or mobility challenges while healing. First Aid & Workplace Relevance (Canada) Wrist injuries are common in workplaces involving manual handling, ladder use, winter conditions, athletics, and recreation.
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Hip pain can originate from the joint itself or from nearby muscles, tendons, or connective tissues that support movement and stability. When pain affects both hips at the same time, it is called bilateral hip pain. This may occur in both women and men, though certain conditions are reported more often in women. First Aid
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Gout is a type of arthritis linked to the buildup of uric acid in the body. Uric acid forms when the body breaks down compounds called purines, which are found naturally in human cells. When levels are higher than the body can clear, uric acid may form needle-like crystals in joints. While gout more commonly
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