Intrinsic muscles help you maintain your posture, bend, rotate your body, or flex your back. Intrinsic muscles are divided into three categories, making up many smaller, interconnected muscles.

Back muscles are grouped into three categories. Superficial (extrinsic) back muscles help you move your shoulders, intermediate back muscles help you breathe, and intrinsic (deep) back muscles ...

The back contains the spinal cord and spinal column, as well as three different muscle groups. Many conditions and injuries can affect the back. Learn more here.

Strong back muscles will have a positive carryover to your other lifts, day-to-day life, and sports performance. If we can create a stronger base to pull things to us ...

At night, the muscle clock activates the breakdown of defective proteins, replenishing muscles while the body rests. Altering this intrinsic muscle clock was associated with muscle decline seen ...

Along with the psoas major and iliacus muscles, the psoas minor forms the iliopsoas muscle complex, which helps you hold your lower back stable when you flex your hip as you stand, sit, walk, and run.

Muscles worked: Suspended rows target the three largest muscles of your back — the latissimus dorsi, trapezius, and rhomboids. You’ll also strengthen your core, shoulders, and biceps with this ...

When this muscle weakens or becomes dysfunctional, it sets off a cascade of compensations throughout the body that can manifest as persistent back pain resistant to conventional treatments.