Dirty dog exercise or hip side lifts or fire hydrant exercise is an exercise that is meant to strengthen the

hips In vertebrate anatomy, the hip, or coxaLatin ''coxa'' was used by Celsus in the sense "hip", but by Pliny the Elder in the sense "hip bone" (Diab, p 77) (: ''coxae'') in medical terminology, refers to either an anatomical region or a joint ...

and

buttocks The buttocks (: buttock) are two rounded portions of the exterior anatomy of most mammals, located on the posterior of the pelvic region. In humans, the buttocks are located between the lower back and the perineum. They are composed of a lay ...

, without the use of weights. It is so named due to its resemblance to the way a dog urinates. The exercise also improves core stability.

References

Physical exercise Bodyweight exercises Aerobic exercise {{health-stub