A smarter approach to hypertrophy, recovery, and progress tracking.
To lift heavier and move through your daily life with ease, you need to build muscle. And it’s never too early to start.
Starting at age 30, muscle mass can decrease by up to 8 percent per decade without intervention, research suggests. During the transition to menopause, lean body mass can decrease by 0.5 percent per year.
You need a game plan to counteract those natural declines. Hypertrophy — an increase in the size of your muscle fibers — requires consistent training, a nutrition strategy, and a recovery routine.
To start seeing improvements in your performance and daily functioning, follow this guide on how to build muscle, backed by research and experts at Equinox.
3 Keys to Building Muscle (aka Hypertrophy)
Pushing hard in a single training session isn’t enough to drive muscle growth. To build muscle, you need to consider these three elements of your resistance training plan.
1. Optimize Your Lifts
Resistance training in general can support muscle growth, but you can make tweaks to drive even better results.
A sweeping 2026 review from the American College of Sports Medicine (ACSM) found that volume can have the biggest payoff for hypertrophy. Aim to complete 10 sets of a given resistance exercise per muscle group per week.
Overloading the eccentric portion of the movement (think: slowing your tempo while sitting into your squat or lowering your barbell during a deadlift) can also drive muscle growth, per the ACSM findings. Know that emphasizing the eccentric contraction creates more muscle damage and, in turn, may take longer to recover.
While repetitions and load didn’t appear to influence hypertrophy in the ACSM review, you might start with the following guideline and adjust from there: six to 12 reps per set, with a load that’s 65 to 85 percent of your one-rep max (read: moderate intensity). Exploratory research suggests that training close to failure, with fewer than five reps left in the tank at the end of your set, could promote muscle growth, but it comes with the risk of technique breakdown.
"Executing six to eight quality, high-tension reps will always outperform 10 to 12 sloppy, rushed ones," says Diamia Foster, a COACH X at Equinox Woodbury. "Focus on execution first, and meaningful volume will take care of itself."
Bottom line: "Lock in your sets, reps, tempo, rest, and load,” says Foster. “Only earn the right to progress one variable when the most challenging rep of your set checks every execution box: clean mechanics, consistent time under tension, braced breath work through the sticking point, and locked-in intent."
2. Incorporate Progressive Overload
Progressive overload, gradually increasing the stress placed on the targeted muscle, is also key to long-term gains. In terms of muscle building, this might involve slowly increasing load, upping reps, or adding on another set. Once you can complete one to two reps more than your target, increase the load by two to 10 percent.
That said, "don't add weight to hide behind a breakdown of form or range of motion," says Foster. "Overload isn't just adding weight; it's any improvement big or small to how you're moving the load (i.e., tighter form, more focus on the area of body you're working, improvement in system fatigue from set, etc.)."
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3. Don’t Rush Your Rest
There isn’t enough evidence to determine if inter-set rest (specifically, how much of it you take) influences hypertrophy, according to the ACSM review, but it is important for performance. Start with a roughly 60-second muscle recovery break in between each set. If your technique falters or you’re not able to complete your targeted number of reps, that’s your sign to take a longer rest period before your next set.
The Importance of Recovery and Nutrition for Hypertrophy
The work you put in at the Club is only one part of a muscle-building plan. Recovery and nutrition are also crucial.
Recovery
Poor sleep health — whether that’s getting poor quality sleep or not enough of it — can negatively influence injury risk, physical performance (including strength and speed), cognitive performance (think: reaction times), and mental health in athletes, research shows. In order to keep progressing with your muscle-building program, getting enough quality sleep each night is essential.
Still, "recovery isn't just resting—it’s actively shifting states," says Foster. "If you’re coming out of a high-stress workday into an intense training session, your body spends the vast majority of its time in fight-or-flight overdrive. Getting into a parasympathetic state to down-regulate takes conscious physical and mental effort; it has to be coached.” Meditation, breathwork, reading, walking, and connecting with loved ones can all support that shift, says Foster.
You might also try recovery practices like contrast therapy. This eases muscle soreness via a combination of vasodilation from heat exposure (think: infrared sauna) and vasoconstriction from a cold exposure (think: cold plunge). Red light therapy also shows promising results for increasing blood flow to damaged tissues.
Nutrition
Nutrition matters, too. Post-workout, protein is needed to repair muscle fibers that are broken down during exercise, helping them come back stronger. Carbs are also needed to replenish the glycogen stores depleted from your demanding workout.
Note: "More muscle means eating a higher volume of food, which can fatigue your digestive system," says Foster. "Macros are vital, and so is timing when you eat, so that there's harmony with your training and not competition between digestion and performance."
How to Measure Progress Beyond the Scale
To check your hypertrophy progress, meet with an Equinox COACH for an Equifit. Complimentary to new members, this assessment includes an InBody scan, which measures your muscle mass, body fat, and weight and calculates your basal metabolic rate.
There’s value in focusing on your performance — not just the number on the scale. Ask yourself these questions:
- Are your main lifts feeling easier each week?
- Are you lifting more weight?
- Is your volume increasing?
- Are you moving load faster, slower, or with greater control?
- Do you feel more confident with your heavy lifts?
- Are you bouncing back faster between sets and training sessions?
"Early strength gains aren't immediately reflected in your physique, but building a foundation of strength is the single best long-term investment you can make for your body and mind," says Foster. "In strength conditioning, performance quality markers are everything."
The Most Common Muscle-Building Mistakes
The easiest hypertrophy mistakes beginners can make? Being inconsistent and rushing the process.
Inconsistency
Stopping by the Club every few weeks for a quick workout won’t lead to any noticeable muscle building. You need consistent training sessions — and consistency with your exercise selection — to see results.
"Too many people switch programs out of pure boredom or because they're chasing flashy trends on social media," says Foster. “...Master the fundamentals, punch the clock daily, and focus on your own progress. The results [in] physique, strength, and performance will follow naturally.”
Progressing Too Quickly
Make sure your progressive overload plan is realistic. During a given training cycle — that is, multiple weeks of training with the same exercises — your volume shouldn’t increase by more than 20 percent. If you start with a 60-pound barbell back squat, you might only be lifting 72 pounds by the end of week six.
"Leaving the gym completely wrecked isn't a badge of honor — it's poor fatigue management," says Foster. "Your goal is to deliver enough targeted stress to trigger muscle growth while leaving enough in the tank to thrive for the rest of your day. Initial soreness is normal when introducing new stimuli, but chronic exhaustion means you're over-reaching. If your training leaves you too beat up to show up consistently, you're stuck in overdrive (a sympathetic state) and need to prioritize recovery and down-regulation."
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A More Sustainable Approach to Building Muscle
Building muscle requires more than hard training. Recovery, consistency, and intelligent programming all contribute to long-term progress. If you’re not sure how to get started, work with an Equinox Coach for a personalized training plan.
Explore the coaching, classes, and recovery experiences available at Equinox.