Situps

6 clues
Exercises
Gym exercises
Some exercises
Some calisthenics
Abs strengtheners
Core-strengthening exercises
Similar answers:
Abpositive
Absit
Acesit
Acquisition
Acquisitive
Acquisitiveness
Acrisisitsthis
Acups
Admitsit
Adsite
Adsites
Adultsites
Adversity
Ahnowivegotitthisisit
Airborneparasolsites
Aleuniversity
Allupset
Alluvialdeposit
Amorosity
Andesite