Motor UnitsFor more details on this topic, see #Types of motor units.
A motor unit takes a supply of steam at high pressure and temperature and gives out a supply of steam at lower pressure and temperature, using as much of the difference in steam energy as possible to do mechanical work. Motor units are typically a type of piston or steam turbine.
A motor unit is often called 'steam engine' in its own right. They will also operate on compressed air or other gas.
... The distribution of motor unit size is such that there is an inverse relationship between the number of motor units and the force they generate (i.e ... the number of muscle fibers per motor unit) ... Thus, there are many small motor units and progressively fewer larger motor units ...
... There are at least six techniques that are currently in use to estimate motor unit numbers ... According to Henneman's size principle, motor unit recruitment is always in the same order from smallest to largest motor unit ... Additionally, the motor unit action potential is an all-or-none phenomenon - once the recruitment threshold (the stimulus intensity at which a motor unit begins to fire) is reached, it fires fully ...
... Following their success, NSB took delivery of a series of motor units ... The first three units were delivered in 1938 one with DWK engine (no ... A further ten units were delivered in 1940, split between the c and d-series (no ...
... A single motor neuron may synapse with one or more muscle fibers ... The motor neuron and all of the muscle fibers to which it connects is a motor unit ... Motor units are split up into 3 categories slow motor units, fast fatiguing motor units, and fast fatigue-resistant motor units ...
Famous quotes containing the words units and/or motor:
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—Willa Cather (18731947)
“What shall we do with country quiet now?
A motor drones insanely in the blue
Like a bad bird in a dream.”
—Babette Deutsch (18951982)