Skip to content

Latest

08
Jul
OpenLab #007: Gut training and the unfinished science of fueling with Dr. Emily Dow

OpenLab #007: Gut training and the unfinished science of fueling with Dr. Emily Dow

Picture an age group triathlete arriving at a sports-nutrition lab convinced that gels caused her cramps during her A-
14 min read
06
Jul
Entry #028: Block and reverse periodization vs traditional + polarized

Entry #028: Block and reverse periodization vs traditional + polarized

The way we organize training stress—periodization—remains a hot topic in exercise science. While the goal is to adjust
7 min read
03
Jul
Snippet #025: Gut Colonization Delays Fatigue by Preserving Carbohydrate Availability During Endurance Efforts

Snippet #025: Gut Colonization Delays Fatigue by Preserving Carbohydrate Availability During Endurance Efforts

Specific gut bacteria typically require a prolonged supplementation period of six to twelve weeks to induce functional shifts within the
1 min read
01
Jul
Entry #027: Sleep Physiology and Performance Architecture

Entry #027: Sleep Physiology and Performance Architecture

The prevailing model of athletic adaptation frequently treats sleep as a passive interval between training stimuli, yet the physiological reality
6 min read
29
Jun
OpenLab #006: When the Climb Stops Giving Back: Durability and the Long Game, with Carolina Karlsson

OpenLab #006: When the Climb Stops Giving Back: Durability and the Long Game, with Carolina Karlsson

Durability is the fourth pillar of endurance, and it breaks at the hard, hot, under-fuelled end. Swedish ultra-cyclist Carolina Karlsson learned it through trial and error during multiple Everesting attempts and long distance events.
15 min read
27
Jun
There's a New Room in the Lab - TSN Discord

There's a New Room in the Lab - TSN Discord

The Scientist's Notebook now has a Discord, and it's open to subscribers today.
2 min read
26
Jun
Snippet #024: Genetic Variants Modulate Mitochondrial Biogenesis and Threshold Gains

Snippet #024: Genetic Variants Modulate Mitochondrial Biogenesis and Threshold Gains

The Mechanism Mitochondrial biogenesis involves the expansion of the cellular mitochondrial network to enhance ATP production capacity. This adaptation is
1 min read
24
Jun
#OpenLab 005: The Mind as a Performance Tool: Ultra-Endurance Cycling with Jack Thompson

#OpenLab 005: The Mind as a Performance Tool: Ultra-Endurance Cycling with Jack Thompson

Jack Thompson is a world-record ultra-endurance cyclist who rode one million meters of elevation in 52 weeks during
15 min read
22
Jun
Entry #026: Why Your FTP Might Be Wrong: mFTP, CP, and Modeled Thresholds

Entry #026: Why Your FTP Might Be Wrong: mFTP, CP, and Modeled Thresholds

A 20-minute test gives you one number. Your real threshold lives somewhere on a curve. Here's how to tell when the test is lying.
8 min read
19
Jun
Snippet #023: Heavy Resistance Training Increases Tendon Stiffness to Reduce Running Metabolic Demand

Snippet #023: Heavy Resistance Training Increases Tendon Stiffness to Reduce Running Metabolic Demand

Maximal-strength training involving heavy loads alters the mechanical properties of connective tissue, specifically increasing the longitudinal stiffness of the
2 min read