Spasticity or rigid muscles

Muscle stiffness can be caused by a variety of factors, including:

1. Physical activity and exercise: Intense or repetitive physical activity, particularly when the body is not accustomed to it, can lead to muscle stiffness. Overexertion, inadequate warm-up or cool-down routines, or pushing beyond your usual limits can cause muscle fibers to become strained and result in stiffness.
2. Muscle overuse or injury: Engaging in activities that place excessive strain on certain muscles can lead to stiffness. This can occur due to overuse, such as repetitive motions or prolonged periods of muscle contraction. Muscle injuries, such as strains or sprains, can also cause stiffness as part of the body’s protective response to prevent further damage.
3. Muscle imbalances: Muscle imbalances occur when certain muscles are stronger or tighter than their opposing muscles. These imbalances can lead to altered movement patterns and compensation, which may contribute to muscle stiffness and discomfort.
4. Dehydration: Inadequate hydration can affect muscle function and contribute to muscle stiffness. Dehydration can impair the delivery of nutrients and oxygen to the muscles, and it can also lead to an imbalance in electrolytes, which are essential for proper muscle function.
5. Poor posture and ergonomics: Maintaining poor posture or sitting in an uncomfortable position for extended periods can result in muscle stiffness, particularly in the neck, shoulders, and back. Incorrect ergonomics while working or engaging in daily activities can put strain on muscles and lead to stiffness.
6. Stress and tension: Emotional or psychological stress can cause muscle tension and stiffness. When you are stressed or anxious, your body tends to hold tension in the muscles, especially in areas like the neck, shoulders, and jaw.
7. Medical conditions: Certain medical conditions can contribute to muscle stiffness. Conditions such as fibromyalgia, arthritis, muscle spasms, and inflammatory disorders can cause chronic muscle stiffness and discomfort.

It’s important to note that muscle stiffness is often a normal response to physical activity or exertion, and it typically resolves on its own with time and rest. However, if muscle stiffness is severe, persistent, or accompanied by other concerning symptoms, it is advisable to consult with a healthcare/sports therapist professional for proper evaluation and guidance.

Other terms for muscle stiffness

Muscular rigidity

Muscular tightness

Muscular dystrophy