The most common and most likely answer to this crossword clue is the 7 letter word SIT-UPS
I've seen this crossword clue in The Guardian
S
I
T
-
U
P
S
More clues leading to the result SIT-UPS
- Way to get a six-pack of drinks with vermouth in
- Mostly stupid new Sunday exercises
- Dines fancily, engorging Italian – so has to do these?
- Don’t slouch, son! These exercises strengthen abs
- Takes an exam to include finished exercises
- Exercises, that’s the thing between drinks!
- ’tis back to film studios finally for exercises
- Small Russian leader’s pointless climbing exercises
- Starts to surprise indolent mates with exercises
- Workers’ group cutting drinks gradually as part of fitness regime
Buddy explains!

The straight part
We know that "Exercises" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case exercises = sit-ups.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SIT-UPS mean?
SIT-UPS noun- An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.