- L -
Lambert Syndrome (Eaton-Lambert Syndrome) This is a proximal weakness, especially in
the pelvic girdle muscles. This is similar to myasthenia gravis.
Craniosynostosis of one particular type, that is the premature fusion of one of
the joints or sutures of the skull
The posterior portion of a vertebral bone. It is a flat piece of bone that
covers and protects the dura, the nerves and the spinal cord.
An operation to remove a part, or all of, the lamina of a vertebral bone. It
is performed in order to be able to remove part of an intervertebral disc
protrusion or to decompress a
pinched nerve root.
Lasθgue Sign, Lasθgue Test
A straight leg raising test performed with the patient lying on the back, which
causes leg pain, is indicative of a ruptured disc.
acronym for Light Amplified by Stimulated Emission of Radiation. The device
produces a focused beam of light of a defined wavelength. Laser light can
vaporize tissue and be used to resect small structures without damaging delicate
Lateral Situated away from the midline of the body.
Lateral Cerebellar Syndrome Damage to the outside portion of this back part of the brain
causes poor coordination in the limbs.
Lateral/Peroneal Compartment Syndrome This is the combination of pain and weakness of the deep
peroneal nerve due to pressure.
Lateral Recess This refers to the edges of the spinal canal. This lateral
recess can become too small for the nerves. A decompression is sometime needed
to give the nerves extra room and un-pinch them.
The process of washing (cleaning) of an organ such as the bowel or stomach.
Also called cathartics, these medications relieve constipation.
- The section of California law section that applies to the rights of injured
This is a chiropractic method that utilizes a motorized table for loosening or
mobilizing the spine with flexion-distraction-type stretching before a spinal
Hereditary optic atrophy, a kind of blindness, this is a rare disease.
to the top of the femur bone in the leg resulting in a deformity, this problem
is most common in young boys.
A chiropractic method used to detect alleged subluxations. It is used as part
of Activator Methods, Logan basic, Bio Energetic Synchronization Technique,
Thompson terminal point technique, and Sacro-occipital technique.
Lennox Syndrome, Lennox-Gastaut Syndrome
A particularly difficult
type of seizure disorder which responds to very few medications, this
fortunately is rare.
This is a rare disease where
mental retardation and self mutilation are common.
Levator Sign A
peripheral facial nerve palsy where the levator muscle of the eyelid works but
the larger orbicularis muscle, which ordinarily closes the eye, does not.
This is an intermittent pain
in the region of the coccyx (tailbone) due to weakness of the muscles at the
bottom of the pelvis which are called levators.
This is the characteristic clutching of the chest which is almost a reflex in
patients experiencing angina or heart attack pain.
A type of
muscular dystrophy, also called limb girdle muscular dystrophy, involves the
limbs and the attachments of the limbs, this is relatively common.
This is a sudden painful lightning-like shock due to a pinching of the spinal
cord and is a sign of a possible quadriplegia producing problem.
Some health insurance companies limit or cut benefits in serious cases. A
lifetime limit of $500,000 to $1,000,000 is not uncommon. Once the limit is
passed, no more treatment is covered by the insurance plan. Any expenses are
the responsibility of the patient.
- responsibility to pay for an injury.
A band of flexible, fibrous connective tissue that is attached both bones at
around a joint or from one vertebra to another. The main function of a ligament
is to attach bones to one another, to provide stability of a joint, and to
prevent or limit motion.
Latin for yellow ligament. This ligament is between the lamina bones. It
provides strength and protects the spine and roots.
abbreviated description of the position or movement of a "subluxated" vertebra.
Many techniques have their own listing system, which can make it difficult for
chiropractors to communicate with each other.
- a law suit.
This describes a spine implant which provides partially supports the bones.
It allows some movement. Some doctors believe that load sharing bone plates are
encourage a more normal healing while others argue that these
This is a damage to the brainstem that does not interfere with consciousness but
does not allow the victim to move or even communicate except by blinking.
This is a chiropractic term for a sudden binding of a joint that occurs when two
joint surfaces are shifted out of their normal alignment. The result may also be
called an "acute locked back."
A non-thrusting chiropractic method in which thumb pressure is used to correct
alleged sacral subluxations and leg deficiency claimed to affect the entire
A chiropractic method of spinal manipulation in which a general technique is
used to stretch or loosen several vertebrae at a time.
Disability (LTD) - a
private disability insurance policy that pays when people are unable to work for
a "long" period (usually more than three to six months).
The name given to an object, located within a joint, which has become
A backward bending of the spine. This is normal in the low back and in the
neck. The convexity faces the front of the body and the back is concave or
hollowed out slightly.
capacity - decreased
ability to perform work tasks, one component of the disability rating.
Lou Gehrig Disease
Amyotrophic lateral sclerosis, a progressive and disabling weakness suffered by
the ball player Lou Gehrig and also by the physicist Hawking.
A progressive ataxia or a loss of coordination beginning in infancy.
The use of an adjusting machine and/or reflex technique said to be an
alternative to forceful manipulation ("dynamic thrust").
Also called lumbar spine. This is a complex structure that connects the upper
body to the lower body. It consists of vertebrae, disks, spinal cord, and
An old term for low back pain. This is different from (but often used with) the
old term sciatica, which refers to leg pain only.
The lower part of the spine. It is the low back. It is between the thoracic
spine and the sacrum. The lumbar spine usually consists of five vertebrae but
occasionally may have either four or six levels.
Vertebrae Any of
the five bones in the lower portion of the spine.
Lumbar Endoscopic Discectomy
LED is a controversial operation to remove
herniated disc material from the
spine. Many doctors feel that the procedure is unsafe, and not as good as, the
These are chiropractic techniques used to adjust any "manipulative lesion" in
the joints of the lumbar spine and pelvis. Lumbo-pelvic "distortions" are
attributed to postural alterations, leg-length inequality, tilting of the
vertebrae, loss of mobility, and other "lesions" that require manipulation over
the pelvis and lower back. Leg-length testing is often used to detect lumbo-pelvic distortions.
A strain or injury of joints or ligaments at the base of the spine where the
The opening of a tube, such as the hole in a blood vessel.
A hole deep in the brain where cerebral-spinal fluid (CSF) can circulate.
Phenomenon, Lust Sign
An abnormality of the peroneal nerve where percussion of the nerve causes
tetanus (a forced contraction).
A tick-borne bacterial infection where there are neurological and systemic
symptoms of pain, weakness and lethargy.
This includes all of the tissues and organs, including bone marrow, spleen,
thymus, and lymph nodes that produce, store, and carry white blood cells to
fight infection and disease.
Any one of a group of white blood cells of crucial importance to the adaptive
part of the body's immune system.
If you are aware of any useful spine and neuromusculoskeletal terms which are
not included in this list, or if you have suggestions for better definitions, your help would be
greatly appreciated. Please send me any upgrades and
I will update the web site appropriately. Click
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