If you're a runner, you have to try this essential exercise Add to ...

SHARE

Replay
The Globe and Mail |
Show Description
For runners, runnings can't always be everything. Strength training is just as important. Trainer Kathleen Trotter shows you how to do side planks with leg lifts, a great core and hip exercise

More from this section

Editor's Picks

Globe Shows »

Careers
Put your best foot forward with our expert advice