The best replacement for incline is flat bench.

The best alternatives to incline are rated as following:
★★★★★  flat bench
★★★  decline bench press
★★★  decline bench
★★  decline
★★  flat flyes
★★  flat dumbbell press
★  flat bench first
★  flat fly
★  flat bench press
★  decline pushups
★  bench press
★  flat first
★  flat treadmill
  flat press
  decline press
  regular bench
  decline push ups
  grade
  flat chest press

Your alternative for incline is not listed? Suggest!
Speaking about incline, one probably shouldn't forget about slipping.

Other search terms related to incline and their ratings are:
★★★★★ slipping
You have in mind a companion for incline and it is not yet here? Propose!



Google Trends

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incline
flat bench
decline bench press