As you exhale, push your butt back to rest on your heels as you lower your upper ... exercises such as cat-cow and standing roll-down, which lengthen and relax lower back muscles to ease pain ...
You call upon Noam Tamir, CSCS, CEO and owner of TS Fitness in New York City, to program a killer superset circuit using the best upper-body HIIT exercises ... a flat back and neutral neck ...