Muscle Gain Guide: Build Lean Mass and Get Ripped Fast

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Therapy for leg injury with ball and kinesio tape

What Do Leg Lifts Work?

Published Jul,08 2011 | By Luann Voza

Exercises consist of a joint movement against resistance in the form of weight, body weight or gravity. Isolation movements target one muscle group while compound movements work more than one. While the target muscle group contracts, opposing muscle groups stretch and relax.

Luann Voza teaches both math and science in an elementary school setting and physical education in a college setting. A former fitness-club owner, Voza has taught group fitness classes in step, aerobics, yoga, Pilates and kickboxing. As a bodybuilder, she held the title of Ms. New Jersey Lightweight Division Winner. Voza has a master's degree in exercise physiology and a doctoral degree in education.