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A recent post circulating from Andrew Huberman claims that low reps don’t build muscle and that high reps are necessary for muscle growth. However, this doesn’t align with the data I’ve studied. At the core of muscle building is the principle of overload and pushing your muscles close to...

101,450 次观看 • 2 年前 •via X (Twitter)

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When you train in the 10-12 rep range, most of your reps have no direct effect on growth. When you train in the 4-6 range, virtually all of your reps are growth reps. Both ranges can build muscle. The mechanism doesn't care about the rep count. It cares about how close you get to true failure on the reps where the high-threshold motor units are recruited and every available fibre is firing. Those are the stimulating reps. Everything else is filler. The catch with 10-12 is twofold. First, only the last 4-5 reps in a 12-rep set are actually stimulating. The first seven are buffer. They generate fatigue, lactic acid, and joint wear that the muscle has to push through before any growth signal arrives. Effort, yes. Stimulus, no. Second, and this is where the high-rep crowd quietly come undone: the long set produces so much afferent feedback (burning, gasping, the legs giving a small philosophical speech) that almost nobody actually takes the set to true failure. They stop two, three, sometimes four reps short, mistake the discomfort for the limit, and call it a hard set. The stimulating reps they were chasing never showed up. A set of 6 doesn't allow that confusion. Failure is mechanical. The weight either moves or it doesn't. No interpretive dance required. You'll grow on 10-12. You'll grow more on 4-6, with less joint wear, less recovery debt, and considerably less guesswork. One range tolerates your mistakes. The other doesn't have room for them.

Sama Hoole

62,986 次观看 • 2 个月前

There is not a muscle on the body that needs high reps to see its best growth. This is basic physiology. Yes, muscles vary in their ratio of slow to fast twitch fibres. It doesn't matter, for two reasons: 1. Slow twitch fibres reach their ceiling early. They are not the limiting factor. 2. As you approach failure, every fibre is recruited regardless. The body does not leave capacity sitting idle when it thinks it's about to fail. Here is what actually drives hypertrophy: involuntary slow contractions. The point in a set where the concentric is grinding, the bar speed is dropping, and the muscle is being forced to recruit everything it has just to complete the rep. That is mechanical tension. That is the growth signal. It only exists in the final five or so reps before failure. Everything before that is your body coasting on the fibres it was already using. Some muscles tolerate high reps better than others. Calves are the classic example. But tolerating junk reps is not the same as benefiting from them. It just means the damage is less visible. The reps are still junk. If you are living in the 8-plus rep range, most of your set is happening nowhere near that zone of involuntary contraction. You are accumulating fatigue, impairing recovery, reducing training frequency, and spending more time under the bar: in exchange for a growth stimulus you could have captured in a fraction of the reps. More reps past the point of failure proximity is not more stimulus. It is just more cost.

Sama Hoole

15,967 次观看 • 3 个月前

If you have lagging Arms and bringing them up to par is your TOP PRIORITY… I’d recommend doing something like this each week: Upper A • 2-3 sets of “The GREATEST Triceps exercise known to man” • 2-3 sets of Supinated Grip Curls w/ Upper Arm Support • 2-3 sets of Machine or Cable Overhead Extensions • 2-3 sets of Hammer Grip Curls w/ Upper Arm Support Upper B (Performed 3-4 days after Upper A) • 2-3 sets of Dip Machine • 2-3 sets of Machine or Cable Preacher Curls • 2-3 sets of “The GREATEST Triceps exercise known to man” OR Machine or Cable Overhead Extensions • 2-3 sets of Hammer Grip Curls w/ Upper Arm Support This will result in you doing somewhere between 8-12 sets of direct Bicep and Tricep work per week Low likelihood you need any more volume than that to improve your Arms mightily if following the notes below: 1) The ideal rep range to be using when performing the exercises mentioned is the 5ish to 10ish rep range — Choose a weight you can do for 5, 6, 7 reps @ 0-2 RIR…once you can do that weight for 8, 9, 10ish reps, increase the load by 5ish pounds 2) You should perform all reps of all the listed exercises with a controlled (but not overly slow) eccentric and an explosive (but still controlled) concentric 3) You should perform these exercises very early in your workout to ensure they are as efficient/effective as possible — If you perform them later on, you will not get as robust a growth stimulus from the sets because of the outstanding fatigue that will be present from the earlier sets/exercises in your workout Additional notes: - You may sub any of these exercises for comparable exercises due to preferences and/or equipment availability — Ex: Dip Machine subbed for Weighted Dips - I probably forgot something that I should’ve mentioned…if I think of it I’ll drop it in the post below

Dean Turner

66,141 次观看 • 4 个月前

Maintaining muscle mass, strength, and function as we age becomes critical to our independence and quality of life. Three terms often come up in this discussion: sarcopenia, dynapenia, and powerpenia. Understanding these concepts and their implications can reshape how we think about aging and exercise. Sarcopenia is the age-related loss of muscle mass and function. It is defined by smaller muscles and a diminished ability to perform physical tasks. Sarcopenia is linked to frailty, mobility issues, and an increased risk of falls. However, muscle mass alone is not the most reliable indicator of functional ability. Dynapenia focuses on the loss of muscle strength, independent of muscle size. Strength is essential for tasks like lifting objects or climbing stairs. While strength is a critical component of function, it doesn’t account for the speed or explosiveness required in many real-world activities. Powerpenia is the age-related decline in muscle power, which is strength applied with speed. Power is often overlooked, yet it’s crucial for activities like rising from a chair, catching yourself from a fall, or navigating uneven terrain. Power combines strength with speed, making it the most functionally relevant metric for daily life and mobility. A recent article in Frontiers in Physiology (PMID: 10961295) highlights the critical role of muscle power in preserving functional independence. Research shows that power is more predictive of mobility, balance, and fall prevention than strength or muscle size alone. This finding shifts the focus from simply building muscle to enhancing the quality and speed of movement. Training to improve power—such as explosive movements, plyometric exercises, or lifting lighter weights quickly—can profoundly affect aging populations. The ability to generate force rapidly can mean the difference between a fall and staying upright or between dependence and independence. Sarcopenia, dynapenia, and powerpenia represent interconnected challenges of aging. However, prioritizing muscle power offers a unique opportunity to address the most functionally relevant decline. While maintaining muscle mass and strength is important, integrating power-focused training into your routine may yield the greatest benefits for preserving mobility and preventing disability.

Howard Luks MD

27,372 次观看 • 1 年前

The Bro Split that every young lad gets sold on looks like this.⠀ ⠀ Monday: Chest⠀ Tuesday: Back⠀ Wednesday: Rest⠀ Thursday: Legs⠀ Friday: Shoulders⠀ Saturday: Arms⠀ Sunday: Rest⠀ ⠀ And yes, Arnold did it. Arnold also took enough drugs to sedate a medium-sized country, so perhaps not the most transferable template.⠀ ⠀ The problem is simple. Each muscle here gets hit once a week. Train hard enough and you'll trigger a window of muscle protein synthesis that runs for roughly 2-3 days. After that the window closes, and the muscle fibres begin to catabolise slowly. The back half of the week isn't neutral. It's quietly eroding the growth stimulus you picked up on Monday.⠀ ⠀ Once a week is not a holding pattern. It's a losing one.⠀ ⠀ The fix is training each muscle at least twice. An upper/lower split does this cleanly.⠀ ⠀ Monday: Upper⠀ Tuesday: Lower⠀ Wednesday: Rest⠀ Thursday: Upper⠀ Friday: Rest⠀ Saturday: Lower⠀ Sunday: Rest⠀ ⠀ Same days in the gym. Every muscle getting two shots at the growth window per week instead of one.⠀ ⠀ If there's a specific muscle you want to bring up faster, glutes being the obvious example, you can push that to three times a week with a full body approach, hitting the priority muscle first in every session when you're freshest.⠀ ⠀ Monday: Full Body (glutes first)⠀ Wednesday: Full Body (glutes first)⠀ Friday: Full Body (glutes first)⠀ ⠀ More frequent stimulus. More growth windows captured. Less of the week spent sliding backwards.⠀ ⠀ The Bro Split isn't useless. It just isn't optimal. And if you're going to spend the time, you may as well spend it on something that actually works.⠀ ⠀ Minimum twice a week per muscle. Three if you're serious about a lagging group. The rest is just detail.

Sama Hoole

24,136 次观看 • 3 个月前