Proud to be invited to the legendary Narodne Sportove Centrum in Bratislava next month to talk about muscle activation and its role in training, performance & adaptation. Hope to see some of you there 💪⚡️🧠 – at Hillhall, Northern Ireland

My phd student has just finished a very interesting study in well trained lifters that will add valuable perspective to this. But yes, I dont think theres anything inherently special about RIs for hypertrophy other than they permit higher volumes per set.

@JeffNippard tries a 30-day hypertrophy program training arms every day 💪 Will this contribute to the science .... or is it social media entertainment? 👇

they arent even trained on the descending limb at all (i.e. little/ no stretch). Then there's multiple studies in quads that show increasing the ROM to even longer lengths (i.e. further descending vs mid descending) doesnt ⬆️ growth – at Duneight, Northern Ireland

shortened variation isnt a relevant argument to this either. Also, the calves operate on the ascending limb & Herzog, Maganris & Bizet studies show theres minimal growth due to mostly small amounts of passive tension. so while the calves are best trained in dorsiflexion 2/ – at Duneight, Northern Ireland

the 'long-length' exercise variations in nearly all those studies are not done at extreme lengths of the L-T, theyre fairly mid-range apart from 1 triceps study. Going slightly further down the descending limb to replicate a study finding when the comparator exercise is a 1/ – at Duneight, Northern Ireland

im in! PS that is if you can lend me about £50k? 🤣 – at Duneight, Northern Ireland

theyre on the descending limb as I show. Probably the biggest misconception in understanding partials is thinking that you need to take a joint/ muscle to its maximal excursion. That doesn't optimise growth at all – at Hillhall, Northern Ireland

growth is dictated by disturbing mechanosensetive receptors in the cell which achieved through active force and passive tension. the ROMs used in research doesnt support extreme stretching of muscles which reduces active tension. The pecs are 'stretched' in this video as 1/ – at Hillhall, Northern Ireland

🔥🔥Chest Hypertrophy Tip 🔥🔥 Load up heavy in the mid-range. Huge torque profile due to length-tension r'ship and mechanical advantage overlap (and bit of passive tension in there also). #hypertrophy

A lot to get through in part 3 – apologies it’s a long one! Stiffness & RFD, research limitations, representative 'sprinters' in research?.. and where does the increase in stiffness come from? 🏃‍♂️⛓️💪

Can I have a link to your legal and GDPR obligations with handling such data? And how long does your 3rd party partner retain my data and what do they use it for? – at Duneight, Northern Ireland

You are still trying to coerce me into giving you a government ID document. I have 2 step verification on and want to use it for account security purposes, so this is not 'crucial'. Are you telling me you're permanently suspending me unless I provide you with a government ID? – at Duneight, Northern Ireland

thanks Paul. apologies i keep meaning to turn these on but always forget 🙈 – at Hillhall, Northern Ireland

Does a compliant tendon store ⬆️ energy than a stiffer one? Apparently the S&C profession are getting it wrong by ⬆️ tendon stiffness. Also, apparently compliance leads to quasi-iso contractions So who actually knows about how tendons store energy & how the MTC functions in 🏃‍♂️?

I dont think AI would be cruel enough to give itself my face and accent 😂 – at Hillhall, Northern Ireland

thanks for the kind words Ken 🙏 – at Tullynacross, Northern Ireland

absolutely. a tendon can be stiffer and store more energy than a compliant tendon. There seems to be a misconception that compliance necessarily results in greater energy storage but thats incorrect

"Sprinters have the same tendon stiffness or are more compliant than untrained controls?" Sure - if you cherry-pick weak data and misunderstand tendon biomechanics The usual awful stuff from Chris Beardsley here. So this is Part 1 of a 3-part video @lahti_johan @GregLehman