Your forehead muscles can be so tight as a result of emotional or physical stress, TMJ, poor posture, muscle tension, tension headaches and Bruxism.
TMJ is also called temporomandibular joint disorders that can cause pain and dysfunction in the muscles and joint that move your jaw and can cause forehead muscles to be tight.
Bruxism which is clenching or grinding your teeth can strain the jaw and cause facial and forehead tension.
Muscle knots can develop from muscle tension in your jaw, shoulders and neck and may cause forehead tension.
Slouching or hunching can strain the muscles in the face and neck and can lead to tight forehead muscles.
When you're stressed out, the body releases hormones which contract your muscles and can lead to tension in your forehead, shoulders, neck and face.
The forehead is the upper third of your face and is located between your temples and below your hairline.
Your forehead plays a very important role in your facial expressions and aesthetics.
Other important parts that your forehead consist of include.
The Glabella which is the central part of your forehead and is located between your eyebrows.
Your Glabella is also where the superciliary ridges meet.
The skin of the glabella can also be used to check for dehydration.
The superciliary ridges are the prominences of your frontal bone and are located above your orbital margins and are more prominent in males than females.
The Frontalis muscles are muscles that run vertically and raise your eyebrows.
The corrugator muscles are the muscles that run obliquely and move your eyebrows toward your nose.
Your procerus muscles are the muscles that pull the medial portion of your eyebrows down and also create a horizontal furrow over the bridge of your nose.
And the orbicularis oculi muscles are muscles which lower the entire eyebrow.