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Evidence-based training science & research.

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The latest from the Kenso research desk
Gear & Reviews
Aug 26, 2026 · 4 min read

Gusset Panels in Gym Shorts: Do They Really Matter for Squats?

One small panel of fabric determines whether your shorts work with your squat or against it. Here's what a gusset actually does — and what to look for.

Exercise Guides In-Depth
Aug 26, 2026 · 7 min read

How Long Should You Hold a Plank for Real Progression?

Plank duration is less important than most lifters think. Here's how to use time-based benchmarks and progression-based standards to actually build core strengt

Gear & Reviews
Aug 25, 2026 · 4 min read

Gym Clothes Pilling: What Fabrics Actually Last?

Not all activewear is built for repeated, heavy use. Here's why cheap gym clothes pill fast — and the specific fabric blends worth buying for long-term durabili

Training In-Depth
Aug 25, 2026 · 7 min read

Supercompensation: When Is the Right Time to Train Again?

Supercompensation is the brief performance window after recovery where your body operates above its previous baseline. Miss it in either direction and you leave

Training
Aug 24, 2026 · 3 min read

Weekly Brief: Aug 25 – Aug 31, 2026

This week's research challenges two common assumptions — that training to failure is necessary, and that muscle size reliably predicts strength gains. Practical content covers peaking blocks, myoreps, and app comparisons for PHUL and StrongLifts 5x5.

Research & Industry
Aug 23, 2026 · 8 min read

Is Training to Failure Actually Necessary for Strength?

Two new studies published in 2026 converge on a clear message: training to momentary failure isn't required for comparable adaptations, and learning to gauge your own effort accurately is a skill anyone can develop.

Exercise Guides In-Depth
Aug 22, 2026 · 7 min read

How to Structure a Peaking Block for Competition

A peaking block isn't just about lifting heavy — it's about arriving at meet day with maximum fitness and minimum fatigue. Here's how to structure every week of

App & Tracking Guide
Aug 21, 2026 · 9 min read

Best App for PHUL Workout Tracking in 2026

Tracking a PHUL split requires more than a basic log — you need progressive overload built in. Here's how the top apps compare for Power Hypertrophy Upper Lower

Gear & Reviews
Aug 26, 2026 · 4 min read

Gusset Panels in Gym Shorts: Do They Really Matter for Squats?

One small panel of fabric determines whether your shorts work with your squat or against it. Here's what a gusset actually does — and what to look for.

Gear & Reviews
Aug 25, 2026 · 4 min read

Gym Clothes Pilling: What Fabrics Actually Last?

Not all activewear is built for repeated, heavy use. Here's why cheap gym clothes pill fast — and the specific fabric blends worth buying for long-term durabili

Gear & Reviews Guide
Aug 19, 2026 · 8 min read

Best App for StrongLifts 5x5 in 2026: Ranked

The official StrongLifts app runs the classic program on autopilot, but it's not the only option. Here's how six leading apps compare for tracking linear barbel

Gear & Reviews
Aug 18, 2026 · 4 min read

Thumb Hole Gym Shirts: Function or Just Fashion?

Thumb holes look deliberate, but do they actually do anything? Here's what they're genuinely useful for — and when they're just a design detail.

Gear & Reviews Guide
Aug 15, 2026 · 10 min read

Lifting Gloves vs Straps vs Hook Grip: Which Helps More?

Not all hand aids are equal when it comes to pulling heavier weight. Here's an honest breakdown of lifting gloves, straps, and hook grip — and which one actuall

Gear & Reviews
Aug 13, 2026 · 4 min read

How to Wash Gym Clothes Without Ruining the Fabric

Hot water, fabric softener, and the dryer are quietly destroying your activewear. Here's the exact washing protocol to keep moisture-wicking fabric performing t

Gear & Reviews
Aug 12, 2026 · 5 min read

Gym Shorts Inseam Length: Does It Affect Squat Depth?

The wrong inseam length can quietly limit your squat depth and hip mobility. Here's what the numbers actually mean for your training.

Gear & Reviews
Aug 9, 2026 · 4 min read

Gym Leggings Waistband Types: Which Is Best for Heavy Lifting?

Not all leggings waistbands behave the same under a loaded barbell. Here's a practical breakdown of fold-over, wide band, and drawstring designs for serious lif

Gear & Reviews Guide
Aug 6, 2026 · 10 min read

Best App for 5/3/1 Forever: Tracking Long-Term Cycles

Tracking Jim Wendler's 5/3/1 Forever across multi-month leader/anchor cycles requires more than a basic logger. Here's how the top apps compare for serious long

Gear & Reviews Guide
Aug 4, 2026 · 7 min read

Garmin HRM-Pro vs Polar H10 for Strength Training

Both the Polar H10 and Garmin HRM-Pro are serious chest strap options for lifters, but they differ in meaningful ways. Here's a research-informed breakdown of w

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Exercise Guides In-Depth
Aug 26, 2026 · 7 min read

How Long Should You Hold a Plank for Real Progression?

Plank duration is less important than most lifters think. Here's how to use time-based benchmarks and progression-based standards to actually build core strengt

Exercise Guides In-Depth
Aug 22, 2026 · 7 min read

How to Structure a Peaking Block for Competition

A peaking block isn't just about lifting heavy — it's about arriving at meet day with maximum fitness and minimum fatigue. Here's how to structure every week of

Exercise Guides In-Depth
Aug 19, 2026 · 7 min read

What Are Myoreps and How Do They Maximize Effective Reps?

Myoreps compress more muscle-stimulating reps into fewer minutes by keeping your muscles close to failure across short, repeated clusters — here's exactly how t

Exercise Guides
Aug 16, 2026 · 5 min read

How to Improve Overhead Reach with Lat Flexibility

If your overhead press stalls or feels restricted, your lats may be the limiting factor. Here's how to address lat flexibility systematically.

Exercise Guides In-Depth
Aug 12, 2026 · 8 min read

How Many Sets Per Muscle Group Per Week Should You Do?

Weekly training volume is one of the most debated variables in programming. This guide cuts through the noise with concrete numbers, experience-based recommenda

Exercise Guides In-Depth
Aug 8, 2026 · 7 min read

Exercise Substitution Guide: Replace vs. Modify Your Lifts

Not every exercise deserves a permanent spot in your program — but not every uncomfortable lift deserves to be cut either. Here's a clear framework for knowing

Exercise Guides
Jul 23, 2026 · 4 min read

Shoulder Impingement Prevention: Best Daily Mobility Routine

Overhead athletes who develop shoulder impingement almost always share one pattern: poor scapular control under load. Here's the daily routine that addresses it

Exercise Guides In-Depth
Jul 21, 2026 · 7 min read

Upper Lower Split Frequency: How Many Days Per Week Is Optimal?

Four days per week is the sweet spot for most lifters running an upper lower split — but 3-day and 6-day variations have their place. Here's how to choose the r

Exercise Guides In-Depth
Jul 9, 2026 · 7 min read

Push Pull Legs Legs (PPLL): Why a Second Leg Day Changes Everything

The standard PPL split trains your legs once a week. PPLL fixes that — and if lower body strength or size is your priority, the difference is hard to ignore.

Exercise Guides
Jul 1, 2026 · 5 min read

Wrist Mobility for Better Grip Strength: A 5-Minute Daily Routine

Grip strength starts at the wrist. This 5-minute daily mobility routine targets flexion, extension, and rotation to build a more capable, resilient hand.

The Kenso Brief

One research breakdown a week.

The study, the effect size, what it actually means for your training. No fluff. No spam. Unsubscribe in one click.

Joining lifters who want the science, not the hype.
Training In-Depth
Aug 25, 2026 · 7 min read

Supercompensation: When Is the Right Time to Train Again?

Supercompensation is the brief performance window after recovery where your body operates above its previous baseline. Miss it in either direction and you leave

Training
Aug 24, 2026 · 3 min read

Weekly Brief: Aug 25 – Aug 31, 2026

This week's research challenges two common assumptions — that training to failure is necessary, and that muscle size reliably predicts strength gains. Practical content covers peaking blocks, myoreps, and app comparisons for PHUL and StrongLifts 5x5.

Training
Aug 17, 2026 · 3 min read

Weekly Brief: Aug 18–24, 2026

Week 34 examines BFR hypertrophy research, fatigue programming across set structures, weekly volume targets, lat mobility, and grip tools — plus practical guidance on keeping your gear functional longer.

Training
Aug 10, 2026 · 3 min read

Weekly Brief: Aug 11–17, 2026

Week 33 brings research on RPE variability across exercises and a nuanced look at oral contraceptives and hypertrophy, alongside practical content on exercise substitution, strength-to-weight ratio, and the growing longevity focus in fitness technology.

Training In-Depth
Aug 6, 2026 · 7 min read

Strength-to-Weight Ratio: How to Calculate and Improve Yours

Your strength-to-weight ratio is one of the most honest measures of athletic development. Here's how to calculate it, interpret it, and systematically improve i

Training
Aug 4, 2026 · 4 min read

Training Grief: Processing Strength Loss After a Long Break

Coming back to the bar after a long break and lifting less than you used to is a specific kind of loss. Here's how to process it and move forward.

Training
Aug 3, 2026 · 3 min read

Weekly Brief: Aug 4–10, 2026

Week 32 brings research on minimum effective hypertrophy volume, velocity-based load prediction, and pocket ultrasound muscle tracking — alongside practical content on alcohol and recovery, implementation intentions, and a Tonal vs Tempo Studio comparison.

Training
Aug 2, 2026 · 4 min read

Alcohol and Muscle Recovery: How Much Does Drinking Hurt?

Post-workout alcohol isn't just a minor setback — it actively works against the adaptation you trained for. Here's exactly what happens and how to manage it.

Training
Jul 29, 2026 · 4 min read

What Are Implementation Intentions for Workout Consistency?

If-then planning isn't a motivational trick. It's a behavioral mechanism that removes the decision from the moment—and the research behind it is hard to ignore.

Training
Jul 27, 2026 · 3 min read

Weekly Brief: July 28 – August 3, 2026

Week 31 covers cluster set research, a 2026 red light therapy meta-analysis, movement complexity progression, upper-lower split frequency, and a practical framework for reviewing training data. The throughline: structured thinking compounds faster than unstructured effort.

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Research & Industry
Aug 23, 2026 · 8 min read

Is Training to Failure Actually Necessary for Strength?

Two new studies published in 2026 converge on a clear message: training to momentary failure isn't required for comparable adaptations, and learning to gauge your own effort accurately is a skill anyone can develop.

Research & Industry
Aug 18, 2026 · 7 min read

Does Muscle Size Actually Explain Your Strength Gains?

A 2026 study in the European Journal of Applied Physiology challenges how researchers — and lifters — should interpret the relationship between muscle size and strength, with real implications for how you evaluate your own progress.

Research & Industry
Aug 14, 2026 · 7 min read

Does Blood Flow Restriction Training Actually Build Muscle?

Twenty-five years of blood flow restriction research points to a consistent conclusion: low-load BFR training produces hypertrophy comparable to traditional hig

Research & Industry
Aug 7, 2026 · 6 min read

Do Oral Contraceptives Affect Muscle Hypertrophy?

A 2025 narrative review found that oral contraceptive use does not consistently impair muscle hypertrophy from resistance training — but the details around progestin type are worth understanding.

Research & Industry
Aug 5, 2026 · 5 min read

What Does EGYM's BioAge Update Mean for Fitness Tech?

EGYM's BioAge update and new Longevity Training program reflect a broader industry shift: fitness technology is moving beyond short-term metrics toward structured, evidence-based programming designed for long-term healthspan.

Research & Industry
Aug 5, 2026 · 6 min read

Does RPE Actually Match Your Training Intensity?

A 2026 study found that the same relative intensity produced significantly different RPE scores depending on the exercise — which has real implications for how you program and track your training.

Research & Industry
Aug 1, 2026 · 7 min read

Can a Pocket Ultrasound Actually Measure Muscle Hypertrophy?

New research validates a pocket-sized ultrasound device for measuring muscle cross-sectional area against MRI gold-standard imaging — with implications for how hypertrophy gets tracked inside and outside the lab.

Research & Industry
Jul 31, 2026 · 8 min read

What's the Minimum Effective Dose for Hypertrophy?

How little training do you actually need to build muscle? The research on minimum effective dose for hypertrophy has some surprisingly specific — and useful — a

Research & Industry
Jul 28, 2026 · 6 min read

Can Bar Speed Tell You How Heavy You're Lifting?

A 2026 study on female soccer players confirms that mean propulsive velocity in the full squat accurately predicts relative load — and that this relationship holds regardless of age.

Research & Industry
Jul 25, 2026 · 8 min read

Cluster Sets vs. Straight Sets: Which Builds More Strength?

Intra-set rest changes how fatigue accumulates — but does it actually build more strength? A look at what the research says about cluster training versus tradit

App & Tracking Guide
Aug 21, 2026 · 9 min read

Best App for PHUL Workout Tracking in 2026

Tracking a PHUL split requires more than a basic log — you need progressive overload built in. Here's how the top apps compare for Power Hypertrophy Upper Lower

App & Tracking In-Depth
Aug 13, 2026 · 8 min read

Intraset vs Interset Fatigue: How to Program for Both

Where your fatigue accumulates within a set versus between sets changes everything about how you should structure rest, volume, and set design. Here's the frame

App & Tracking In-Depth
Jul 30, 2026 · 7 min read

Triphasic Periodization: How to Cycle Eccentric, Isometric, and Concentric Phases

Triphasic periodization sequences eccentric, isometric, and concentric training blocks to develop every component of muscular force production. This guide break

App & Tracking In-Depth
Jul 22, 2026 · 7 min read

How Often Should You Review Your Training Data?

Most lifters log their sessions but rarely review the data. Here's a practical framework for how often to analyze your training logs — and what to look for each

App & Tracking In-Depth
Jul 18, 2026 · 8 min read

Time Under Tension vs Rep Speed: What Drives Muscle Growth?

Slow reps or fast reps — which one builds more muscle? The answer depends less on tempo and more on total time under tension per set. Here's what that means in

App & Tracking Guide
Jul 11, 2026 · 9 min read

Kenso Workout Templates: Setup and Customization Guide

Kenso's pre-built workout templates give serious lifters a structured starting point — here's exactly how to set them up, customize them, and make them work for

App & Tracking In-Depth
Jul 8, 2026 · 7 min read

Workout Density: Work-to-Rest Ratios That Build Strength

Workout density — the ratio of work to rest in a session — is one of the most underused variables in strength programming. Here's how to manipulate it deliberat

App & Tracking Guide
Jun 18, 2026 · 8 min read

What's the Best App for GZCLP in 2026?

Running GZCLP and not sure which app to trust with your progression? Here's an honest comparison of every app worth considering in 2026.

App & Tracking Guide
Jun 14, 2026 · 7 min read

What's the Best App for the Conjugate Method in 2026?

Compare the best apps for tracking the conjugate method, including max effort and dynamic effort sessions with proper rotation protocols.

App & Tracking In-Depth
Jun 11, 2026 · 6 min read

How Many Exercises Per Muscle Group: Science-Based Selection

Research-backed guidelines for optimal exercise selection volume per muscle group, with specific recommendations for different training goals.

Beginner Foundations

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5 articles

Product

2 articles
The Kenso Brief

One research breakdown a week.

The study, the effect size, what it actually means for your training. No fluff. No spam. Unsubscribe in one click.

Joining lifters who want the science, not the hype.

Kenso Insights

Research, expert analysis, and evidence-based training strategies.

Free Programs
Grab two complete PPL programs — free PDF downloads →
The Kenso Brief

One research breakdown a week.

The study, the effect size, what it actually means for your training. No fluff. No spam. Unsubscribe in one click.

Joining lifters who want the science, not the hype.

Research & Industry

See all 44 articles →

Beginner Foundations

Partner

Product

The Kenso Brief

One research breakdown a week.

The study, the effect size, what it actually means for your training. No fluff. No spam. Unsubscribe in one click.

Joining lifters who want the science, not the hype.