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Recent subtraction edit
I just removed this:
- groups of motor units work together, as a single muscle
because I couldn't quite gather the meaning and didn't want to convey the idea that a group of motor units is equivalent to a muscle. Motor units contain muscle fibers, which are the substance of muscles, but a mass of motor units is not equivalent to a muscle. It's better to say that groups of motor units often work together to coordinate the contractions of a single muscle. Which I suppose I could easily add to the article right now... ;-) --David Iberri (talk) 04:18, 6 January 2006 (UTC)
Edit Request edit
I'm confused about what 'They stretch the spinal column to increase height.' could mean. If this makes sense to someone, could you please rephrase it. I am taking it to mean 'They (the axons of neurons which extend from the spinal column) pull on the spine, and this results in lengthening the spine.' This doesn't seem possible. I hope someone can clarify.-- Dolmetscher —Preceding undated comment added 11:44, 6 May 2009 (UTC).
Today's reversion edit
For the rationale behind this reversion, see here. --Randykitty (talk) 10:34, 19 January 2013 (UTC)