Pneumatic artificial muscles conventional electric motors and hydraulic cylinders. Pneumatic artificial muscles Pneumatic artificial muscles (PAMs) are contractile or extensional devices operated by pressurized air filling a pneumatic bladder. In an approximation of human muscles, PAMs are usually grouped in pairs: one agonist and one antagonist. PAMs were first developed (under the name of "McKibben Artificial Muscles") in the 1950s for use in artificial limbs. The Bridgestone rubber company (Japan) commercialized the idea in the 1980s under the name of Rubbertuators. The retraction strength of the PAM is limited by the sum total strength of individual fibers in the woven shell. The exertion
Occult science in medicine of the human being is its divine source (i.e. highest plane of existence) and not the physical body (i.e. lowest plane of existence). This is the recurrent dualistic presentation of the nature of man that is the basis of Hartmann's argument. Theophrastus Paracelsus is portrayed as the father of medicine and given as example of a physician that recognized the sevenfold constitution of man and used this knowledge to treat his patients. The pillars upon which the practice of modern medicine, which is concerned only with the external plane of existence (i.e. the physical world), rests: Psychology is portrayed as