Saturday, June 11, 2005
Your common household products can hurt you
http://householdproducts.nlm.nih.gov/
Email me for a solution to this madness.
How does pain work?
At bottom, pain (all sensation for that matter) results from the operations of the nervous system. More complex than the most advanced electronic circuitry, it's the most baffling of all the body's systems. We've known something of its workings since the time of the ancient Greeks, who described and analyzed the sets of peripheral nerves, sensory and motor, that run to and from the spinal cord and connect with the brain.
In the centuries that followed, incremental advances were made in identifying and mapping the trail of nerves, but it was the French philosopher and scientist René Descartes, in his 1664 book, 'Description of the Human Body,' who first suggested that pain travels specific pathways from extremities in the skin to the brain. With certain modifications, and within certain limits, that basic understanding has been with us down to the present day.
But as Jeremy S.H. Taylor and R.M. Gaze of the University of Edinburgh pointed out in the 1987 edition of 'The Oxford Companion to the Mind,' there's more to this than meets the eye. Our understanding of neural structure (that is, the nerves and the nervous system) is far greater than our understanding of neural function. That's because, except for the nervous system's most obvious roles, we don't really know what the function of the nervous system actually is.
We tend to think of the function of the nervous system and brain as 'information-processing,' but that doesn't really explain anything. We understand mechanical information-processing machines because we built them in a particular way and for a particular purpose. We don't have that understanding of the nervous system because we didn't construct it, and, so far at least, we haven't been able even to define some of its operations.
Part of what makes the nervous system so astonishingly complex is the fact that it's virtually everywhere in the human body, from the tips of our toes to the scalp on our heads. Its endpoints lie everywhere just beneath the surface of the skin, and connect with the muscles and other tissues of all the organs of our bodies. There's almost no place in our bodies that isn't touched — and controlled — by it.
The nervous system consists of three interconnected parts: afferent nerve fibres and their receptors, efferent fibres with their muscles and glands, and the central nervous system — the spinal cord and brain. Like all living tissue, the entire network is made up of cell matter, primarily nerve cells, or neurons. (We're actually born with the cells of the central nervous system, which, unlike all other cells in the body, are irreplaceable.)
In most other ways, nerve cells are like other cells of the body, except that at one end they have a number of root-like projections called dendrites, and at the other end each nerve cell has a long, whiplike tail called an axon. Grouped in bundles like the fibres of a rope, nerve cells may be the merest part of a centimetre long or run a metre or more from the tip of the toe to the base of the spine. It's their fantastic interconnectedness — a large neuron, for example, may be in contact with the dendrites of as many as 200,000 cells — that gives us such a rich sensory apparatus.
The afferent and efferent fibres, which comprise the peripheral nervous system, are like one-way transmission lines. The afferent nerves conduct messages to the spinal cord and brain; the efferent nerves conduct signals away, to the muscles and glands. The kind of messages efferent fibres carry to their end organs are generally command signals. If the destination is a muscle, it may be a command to contract; if it's an organ — the stomach, say — the signal may be an order to release digestive enzymes.
The afferent fibres' messages, on the other hand, convey sensory information — sensations such as heat, cold, touch and, unfortunately, pain, from bumps, bruises and other failings of the flesh. Be they via afferent or efferent fibres, messages are sent in a sort of Morse CodeÑseries of sequential dots grouped in volleys of electrochemical nerve impulses, racing along at anywhere from two to 120 metres per second. As fast as that sounds, pain is hardly instantaneous, as everyone knows: Stub your toe, and you know you will feel pain before you actually do. In chronic pain, the signal from the nerve endings seems instantaneous, but only because it never really stops.
This kind of bare-bones description makes neural structure sound simple, and it makes the Cartesian model of pain (remember Descartes?) seem perfectly sound: You stub your toe, and the mass of bruised tissue releases chemicals (such as substance P, prostaglandins or bradykinin) to sensitize the adjacent nerve endings. Once stimulated, these send forth a volley of electrochemical nerve impulses to the spinal cord via afferent fibres. In turn, the spinal cord passes on the signals to the brain, which deciphers them as 'pain.' It then transmits secondary instructions, via the efferent pathways, to various muscle groups and glands, which initiate a series of motor activities: You lift your foot, reach down and massage the toe, while the vocal chords produce a resounding 'Ow!', in addition to the usual blood-borne 'healing cascade.' What could be more straightforward?
Thursday, June 09, 2005
Knock that pain right out of your.....
My first patient had surgery on his foot a few weeks ago having the screws removed from his ankle. There was not much pain but he complained that his range of motion in the ankle was poor and was accompanied by stiffness. I began by rapping the ankle between 2 small carbon electrodes on either side to reduce the pain and then adding two medium suction cups. One on the front of the foot and the other just below the calf muscle. When the placements were complete I programmed the machine for pain and neuromuscular reeducation and started the intensity. After the treatment there was a significant improvement with his range motion.
My second patient suffered from major shoulder pain and stiffness. Her pain scale was at about 6 with 0 being no pain and 10 being worst pain. I did a simple placement by placing the suction cups around the shoulder area in a criss cross pattern. I then programmed the machine and started the intensity. After the treatment her pain scale went down to a 1 and she felt great.
The third patient suffered from a sprained wrist. By placing the adhesive electrodes to his palm, the front of the hand, and just above the wrist on both sides and increasing intensity to strong but comfortable tolerance he received a considerable amount of relief and was still able to use his computer while being treated.
Though I have not gone into full detail of the treatment you get the idea that the patient staff received considerable relief of their pain. You are also able to see that the machine can treat a number of different indications.
Horizontal Therapy Terms
Horizontal Therapy-based on the premise that bioelectric changes in living tissues are strictly combined with biochemical changes and vise versa. Cells are electrical and biochemical in nature and act by combining these two mechanisms to produce an effect.
Synergistic effect-2 channels working at one time. When joint together produces a greater effect.
Electrical potential-the difference in the concentration of charged particles between one point and another.
Polarized-difference in the electrical charge between the inside and the outside of the membrane. Potential is present. The membrane of an unstimulated neuron is polarized. Polarization is established by maintaining and excess of sodium ions (Na+) on the outside and an excess of potassium ions (K+) on the inside. More negative ions on the inside of the membrane than on the outside.
Resting potential- -70 millivolts (mV) -the negative value means there are more negatively charged particles on the inside of the membrane than on the outside. Unstimulated and polarized state.
Graded potential-change in the resting potential in response to stimulus. This happens when the stimulus causes Na+ and K+ gated channels to open. If Na+ channels open, positive sodium ions enter, and the membrane depolarizes (becomes more positive).
Gated channels-open as a result of stimuli and action potentials, and response to neurotransmitters. Ions pass through these channels to go from inside of the membrane to the outside and visa versa.
Depolarization-voltage shifts to a less negative value. Becomes more positive.
Action potentials-a cellular reaction resulting from a sufficient level of energy being provided to the cell. Rapid up and down shift in membrane voltage. From the negative RMP (resting membrane potential) to a positive value and then back to a negative value again. They do not get weeker with distance. Can't be stopped once it begins. Change in polarity. Releases a neurotransmitter called acetycholine (diffuses). Complete depolarization (from -70 to about +30 millivolts). Open Na+ gates then continue to open other Na+ gates.
Nerve impulse- a wave of action potentials, one after the other.
Wednesday, June 08, 2005
Most popular types of pain treated
US bans the use of pot for pain
Monday, June 06, 2005
Horizontal Therapy
What is Horizontal Therapy?
http://www.electromedicine.com/htherapy.html
Breakthrough Study
http://www.hakomed.net/files/gonarthrose_saggini_EN.pdf