Michael Wood, CSCS

Michael Wood, CSCS, is a Certified Strength & Conditioning Specialist and Content Manager for JeFit app. Michael is a former Assistant Strength & Conditioning Coach at the University of Connecticut and Exercise Physiologist at the USDA Human Nutrition Research Center on Aging at Tufts University. He is the Founder of Michael Wood Fitness, named twice to "Top 100 Trainers in America" by Men's Journal and voted Best of Boston by Boston Magazine. Michael previously taught at the University of Connecticut and Boston University. He is the author of TBC30: 6 Steps to a Stronger, Healthier You.

How to Easily Calculate Your Muscle Mass and Fat

man exercising with barbell

Introduction The amount of bodyweight someone carries does not distinguish between muscle and fat weight. Overall bodyweight does not paint a true picture of how well someone is doing regarding their diet and exercise. For example, when someone steps onto the scale, it tell them an overall weight, say 227 pounds. The real focus, though, […]

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Top Hip & Back Extension Exercises for Posterior Chain Power

Introduction When it comes to strength training, the posterior chain—made up of the glutes, hamstrings, and lower back—is the powerhouse of the body. Exercises like the barbell hip thrust, prone hip extension, and back extension on a machine are vital for developing posterior strength, improving athletic performance, reducing injury risk, and enhancing posture. Scientific research,

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Best Exercises to Build Strong & Defined Shoulder Muscles

Introduction Building strong and defined shoulder muscles, specifically the deltoids, requires a well-rounded approach that not only targets the superficial muscles but also strengthens the deep intrinsic stabilizers of the shoulder, like the rotator cuff. This strategy improves not only shoulder integrity, it helps prevent injury, and supports long-term gains as well. Why Start with

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Four Popular Jefit Chest Exercises Backed by Science

Introduction Building a strong, defined chest is a common goal for gym-goers of all levels—and for good reason. The chest is a major muscle group that contributes not only to upper body strength but also to posture and athletic performance. Whether you’re training for strength, size, or endurance, certain exercises consistently rank at the top

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4 Must-Have Exercises Backed by Science for a Full-Body Workout

Introduction When building a full-body strength routine, efficiency and effectiveness are key. Instead of cramming dozens of exercises into your workout week, research shows that a few well-selected compound movements can drive superior results. Four standout exercises—the barbell bench press, pull-up, back squat, and Romanian deadlift (RDL)—have repeatedly ranked among the top Jefit movements for

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Best Warm-Up for Strength Training, Backed by Science

Introduction Warming up before a strength training session can mean the difference between a safe, effective workout and a subpar session—or worse, an injury. But the question remains: what’s the best way to warm-up before lifting weights? Should you row for five minutes, do a dynamic routine, or go straight into lighter sets before your

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5 Proven Tips to Unlock Your Full Potential in the Gym

Introduction Many lifters hit a plateau or stall in the gym despite showing up consistently. Why? Science tells us it’s often not about effort alone—it’s about optimizing the right variables. Factors like poor sleep, inadequate nutrition, improper training volume, or even too little rest between sets can sabotage your gains. Here are five science-backed tips

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8-Week Beginner Strength Training Plan

Introduction Starting a strength training program as a beginner can be overwhelming, but having a structured plan makes all the difference. This 8-week program is specifically designed for beginners looking to build strength and muscle mass through a combination of dumbbell, barbell, and machine exercises. With progressive overload built into the routine, you’ll steadily improve

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Maximum Activation: Bear Crawl, Plank, & Dead Bug

Introduction When it comes to building a strong, functional core, certain exercises can provide exceptional muscle activation, helping you achieve the stability and strength needed for various athletic activities. The Jefit app offers a variety of core exercises that target these muscles effectively. Three standout movements—Bear Crawl, Extended Arm Plank with Shoulder Taps, and Dead

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Boost Your Posterior Strength with 3 Effective Jefit Exercises

Introduction Strengthening your posterior chain is essential for overall performance, stability, and injury prevention. The muscles along your body’s backside, including the glutes, hamstrings, and lower back, all play a pivotal role in functional movements like lifting, sprinting, and maintaining proper posture. This article will explore three powerful Jefit exercises—Reverse Hyper (flat bench), Back Hyperextension,

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