Building a Perfect Back  with Stiff-leg Deadlifts

Building a Perfect Back with Stiff-leg Deadlifts

The stiff-leg deadlift is an effective basic exercise that has superior effects for firming the erector muscles of the spine. If you do the exercise correctly, the back will become strong and straight, and even the hamstrings will benefit from each repetition.

Exercising On Stable Surfaces

Exercising On Stable Surfaces

Overloads Core Muscles Best

Exercising on unstable surfaces, such as BOSU balls, Swiss balls, and wobble boards is a central component of many core-strengthening programs. A study from California State University, Northridge, led by James Kohler, showed that training on stable surfaces overloaded and recruited the core muscles best.