Jason Sulliman has posted a great video on fast practice. Rather than starting slowly and clicking up the metronome, fast practice involves starting at tempo but with only a small portion of the passage, gradually adding notes. My favorite method is to start at the end of a passage and to keep adding beats to the front of the lick.
Check out his video on Youtube:
Jason Sulliman fast practice video

Tags: practice, technique, fast practice, Jason Sulliman, Neural, kinesiology