Kinsey Mahaffey

Kinsey Mahaffey, MPH, is a Houston-based fitness educator, personal trainer and health coach who developed her commitment to lifelong fitness while playing Division I volleyball. She’s passionate about helping others cultivate a healthy lifestyle and enjoys educating other fitness professionals who share this vision. She’s a
Master Instructor and Master Trainer for NASM.
You can follow her on LinkedIn here.
Recent Posts

In a world of limitless fitness tech options and gadgets, is it still valid to judge the intensity of your workout based on how it feels? Short answer: Yes! The RPE scale is a simple, yet surprisingly accurate way to monitor intensity of exercise.

Most lifters are familiar with calculating percentages of their 1 Rep Max (aka, 1RM, the maximum amount of weight that you can lift for 1 repetition of an exercise) to choose the appropriate weight for an exercise based on their desired intensity for the ...

To maintain a healthy lifestyle, understanding our natural circadian rhythms can have a huge impact on how we plan our sleep schedule, work, and workout times for optimal functioning and peak performance.

There may have been times when you’ve found yourself in a situation where you have limited time, limited equipment, limited space, or all the above. How can you get a good workout, even with these limitations? If you’ve ever wondered the same thing, then ...

The Physical Activity Guidelines for Americans recommend at least 150 minutes of moderate-intensity aerobic exercise, and at least 2 days of full-body resistance training per week. What counts as resistance training and how can you get started today? ...

Whether you’re competing against others, or just competing against yourself, increasing your bench press max (the maximum weight that you can bench press in a single repetition) takes intentional effort. This article provides practical advice to help you ...

If you’ve ever suffered from lower back pain, you know that it can be, well, a pain! The U.S. Department of Health and Human Services conducted a National Health Interview survey of 31,997 adults in 2019. Their reports showed that 39% of respondents ...

From wearable fitness trackers to group fitness classes that use heart rate monitors, it’s not uncommon to be incentivized to train in specific heart rate zones to see the results that you want. Does heart rate training work?

Strength training research points to the importance of training to muscle failure to maximize exercise-induced muscle hypertrophy (Willardson 2007). Many gym-goers use a standard horizontal load system, also known as a straight-set, to reach this goal.

There are endless tech options available when it comes to tracking intensity levels during a workout, but technology sometimes requires a learning curve, and it can be expensive.