- Thigh bruising: Thigh bruises are common injuries, especially in athletes. They can occur from a direct hit to the thigh or from a fall. The area becomes swollen and painful, and the bruise changes color as the days go by. Most bruises start out as black or blue color, but over time they may start to turn green, yellow, or brown. This is normal and is a sign that the bruise is healing. Sometimes you can experience a change in color in your thighs without any previous injury, as it happens in deep vein thrombosis.
- Muscle weakness: Patients may also experience thigh muscle weakness, making it difficult to move the leg. This may be caused by several factors, such as poor blood circulation, nerve damage, or muscle disease. Diseases such as multiple sclerosis, muscular dystrophy, or cerebral palsy can also trigger this symptom, and it is also found in people as they age and reduce their muscle mass. Muscle weakness can also happen when you’re doing strenuous exercise because there’s a breaking point after which the muscle starts to fail. Everyone has a different threshold, depending on their physical performance and fitness levels.
- Muscle spasms: This is perhaps one of the most common symptoms in people who go to the gym very often and those who went for the first time and got excited in the leg press machine. This type of muscle pain is triggered by lactic acid accumulation in your muscles and keeps hurting a few days after working out. Muscle spasms can also happen when you exercise without proper hydration because the muscle runs out of energy and uses accessory pathways to obtain what it needs.
