---

All answers having "Exercise" as clue:

3 Character Answers:

---

GYM

JOG

USE



4 Character Answers:

---

BIKE

FLAP

YOGA



5 Character Answers:

---

DRILL

ETUDE

EXERT

SITUP

WIELD



6 Character Answers:

---

LESSON

PUSHUP

TONEUP



7 Character Answers:

---

UTILISE

WORKOUT



8 Character Answers:

---

KNEEBEND



10 Character Answers:

---

GETINSHAPE