Historical clue formulations

• Exercises with a "butterfly" variation, in which the soles of one's feet are pressed together — 2026-07-18
• Some gym reps — 2025-05-28
• Producers of six-packs — 2025-03-31
• Things that might hurt you to the core? — 2024-02-24
• Basic exercise routine — 2008-02-09
• Gym class exercises — 2007-12-19
• Abs strengtheners — 2007-07-03
• Stomach-sculpting set — 2001-09-06
• Workout segment — 1996-12-19
• Gym exercises — 1994-02-09