bodyweight

• 

  Twisting crunch

• 

  Twisting hip extension

• 

  Lying alternating straight leg raise

• 

  Diamond push-up

• 

  One-leg front plank

• 

  Knee push-up

• 

  Lying straight leg raise

• 

  Diamond push-up on knees

• 

  Twisting hyperextension

• 

  Weighted inverted row

• 

  Weighted push-up

• 

  One-leg hyperextension