Tyler Read

Reciprocal inhibition is part of the mechanism behind how movement takes place. When one muscle contracts, its antagonist relaxes. For example, when the biceps flex, the triceps extend and the reverse is true as well.  However, when one muscle is too tight to move, this creates altered reciprocal inhibition, which then leads to movement dysfunction. … Read more

Lower Crossed Syndrome is a postural imbalance that affects the muscles of the hip, core, and lower back. This syndrome is characterized by tightness and overactivity of the hip flexors and lower back extensors leading to anterior pelvic tilt and increased overarching of the lower back. If you want to pass your personal training exam … Read more

Sliding filament theory is the currently accepted mechanism behind how muscles contract. It tells us that muscles shorten or lengthen when the two filaments, known as actin and myosin, slide past each other. The filaments slide instead of changing length, which is what was previously thought. The topic of sliding filament theory is covered in … Read more