Causes of Headaches
The common
headache is a very good example of unrecognized
trigger point referred pain. Few people, and few
doctors for that matter, recognize trigger points
as a predominant source of headache pain. It seems
so natural to blame headaches on nervous, vascular,
or psychological conditions, but the truth is
simpler than those explanations. Headache pain is
produced by trigger points in overloaded neck
muscles. To understand this, you simply need to
examine the way that headache pain changes your
behavior. When you have a headache, the pain is
typically worse when you move your head. You often
just want to lay down and be very still until the
headache passes. When you do this, you are resting
the muscles that move the head, the muscle groups
in the neck and shoulder region.
Of
course, some headaches are caused by other
problems, but trigger points play a role even in
these conditions. Migraines, sinus headaches, and
cluster headaches can typically be managed by
trigger point therapy, and many times people are
mistakenly diagnosed with these conditions when
trigger points are actually responsible.
The
Muscles and Trigger Points that Cause
Headaches
While there are
many muscles that can contain trigger points that
refer pain to the head, the two muscle groups that
are involved in nearly every case are the Trapezius
and Sternocleidomastoid muscle groups.
The
Trapezius
is the large, diamond shaped muscle group that
forms the base of the neck and upper back region.
It has attachment points at the base of the skull,
along the spine, on the shoulder blade, and on the
collar bone. When this muscle contracts it
typically moves the shoulder blade, but it also
plays a part in moving the neck and head.
Trigger points
in this muscle refer pain to the back and side of
the neck, to the temple region, behind the ear or
back of the head, to the shoulder joint, and in the
upper back region. Trigger points in this muscle
develop for a number of reasons, including poor
posture, emotional stress, whiplash injuries,
falls, and sleeping positions (or sleeping under a
ceiling fan). Additionally, hypoglycemia (low blood
sugar) and dehydration (like the dehydration
associated with a hangover) may activate trigger
points in this muscle.
Learn
more about the Trapezius trigger points with this
article from Dr. Perry >
Trapezius Trigger Points Are Like
Opinions...Everybody Has
One.
The
Sternocleidomastoid (SCM)
is a muscle group that is found on each side of the
neck. This muscle group has two divisions or parts,
the sternal division and the clavicular division.
Both divisions contract to flex the head forward or
to the side, as well as to help rotate the head to
each side.
The sternal
division attaches at the base of the skull behind
the ear, and runs downward wrapping around the neck
and attaching to the breast bone. Trigger points in
this part of the SCM muscle refer pain to the top
of the head, temple, above and around the eye
socket, and to the back of the head. Additionally,
these trigger points may produce other symptoms
such as sore throat, dry cough, and eye redness and
tearing.
The clavicular
division also attaches behind the ear, but wraps
downward around the neck to attach to the collar
bone instead of the breast bone. Trigger points in
this division refer pain to the forehead, to the
ear (and behind it), and sometimes to the molar
teeth. These trigger points may also be responsible
for bouts of dizziness or vertigo, as the SCM
muscle is involved with orientating the head in
space, which provides feedback for the sensory
information derived from the "balance receptors" in
the inner ear.
Unlike
Trapezius trigger points, SCM trigger points do not
refer pain or stiffness to the neck. The pain from
SCM trigger points is almost always severe, and is
typically misdiagnosed as migraine or cluster
headaches.
Trigger points in the sternal
division
Trigger points in the clavicular
division
Important:
The following content is provided for information
purposes only. A proper diagnosis of any condition
requires a physical examination by a licensed
doctor.