unscientific terms.

• regular crunches
  • side too
    • alternate knees coming in
• situps
• leg scissor thing
• laying down, legs at 90 degrees, kick straight up
• body in v shape, move upper body side to side holding a weight
  • my brother told me these are called "cherry pickers"
• curl/dig thing
  • also push throughs
• sit up holding weights w/ arms over head
• bicycle
• body in v shape, legs straight out, pulse arms quickly up and down
• pull legs back to chest (lower abs)
  • also known as a reverse crunch
• legs up, reach for bottom of feet