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Sarah Kolvas

Article Archive

Picking the Brain

October 21, 2019

As the control center for the body’s nervous system, the brain participates in every human function. From sensing to controlling motor skills, its vital role in movement means this cognitive powerhouse is—literally—the brains behind your work as a fitness professional.

There are three main components that make up your mind:

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Flexing the Muscular System

September 24, 2019

As a fit pro, you are all too familiar with training muscles to build strength, mass and better movement in your clients—by now, you might consider it muscle memory!

Yet, as a major system present throughout the body, the muscular system is vast and intricate with plenty to explore. After all, muscles produce every movement, from the basic, like digestion and respiration, to the complex, like running, dancing and weightlifting.

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Aching for the Quadratus Lumborum

August 22, 2019

Many of your clients likely work desk jobs and sit most of the day. This is not an ideal situation for many reasons, one being the risk of developing chronic lower-back pain. If you or a client is experiencing aches or sharp pains in the lower back, the issue may stem from problems with the quadratus lumborum.

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Getting to the Bottom of the Piriformis

June 25, 2019

Every time you take a step, your piriformis muscles help to keep your stride in good form.

The piriformis is a flat, pyramid-shaped muscle in the gluteal region (you have one on each side of the body). Located behind the gluteus maximus, the piriformis attaches to the base of the spine (the sacrum) on one end and to the top of the femur, the trochanter, on the other end (Kenhub 2019; Chang, Jeno & Varacallo 2019).

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Two of a Kind

June 24, 2019

When Colleen Evans wanted to improve her strength while healing from Lyme disease, her doctor knew exactly who could help her: fellow patient and personal trainer Shona Curley.

Like Colleen, Curley had been diagnosed with Lyme disease and was coping with its symptoms.

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A Nod to Scalenes

May 22, 2019

How much do you know about your scalene muscles? If you just tilted your head in confusion, you can attribute that simple movement, in part, to your scalenes, three pairs of muscular tissue that flank the sides of the neck.

Anterior scalenes, on the front side of the neck, connect the third through sixth cervical vertebrae to the first rib.

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Longing for Lung Facts

April 23, 2019

We do this every moment of the day; it can help us relax, and it speeds up when we exert ourselves—all without so much as a thought. Inhale. Exhale. Breathe! This important gas exchange, which keeps us alive, can only happen thanks to the miraculous work of the lungs.

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Hyped on the Hypothalamus

March 25, 2019

The hypothalamus occupies little real estate in the brain, but it houses nuclei critical to many of the body’s regulatory functions. Situated just beneath the thalamus, it keeps the body in homeostasis by controlling the sleep-wake cycle, body temperature, hunger and thirst, sex drive, fluid balance, emotions, blood pressure, and heart rate (Johnson 2018).

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Fit for Change

March 22, 2019

CLIENT: Sam Garman

PERSONAL TRAINER: Kali Stewart, MS

LOCATION: Milagros Fitness/Online Coaching, San Diego

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Get to Know the Gallbladder

February 20, 2019

When you think of the gallbladder, two things likely come to mind: It’s located in the right abdomen, and it’s associated with painful gallstones. But, typically, little attention goes to this small organ working quietly behind the scenes during digestion.

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