Biomechanics principles you can actually use in the gym.
The “Full ROM” Trap: Pec Fly Edition
Jordan Shallow
August 05 2026
Greater range of motion in a given exercise is not automatically “better.” It's a good general heuristic that generally leads to better outcomes across the board; but just like any other heuristic, it has more than its fair share of exceptions. The pec fly is one such case.
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Archive
The “Full ROM” Trap: Pec Fly Edition
Jordan Shallow
August 05 2026
Greater range of motion in a given exercise is not automatically “better.” It's a good general heuristic that generally leads to better outcomes across the board; but just like any other heuristic, it has more than its fair share of exceptions. The pec fly is one such case.
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“Shoulder Day” vs. “Delt Day”
Jordan Shallow
July 29 2026
Joint restrictions put a cap just how closely we can reach true physiological failure. The shoulder, which relies on the complex integration of many parts to move, is particularly susceptible. Enter the Cable Y-Raise: an exercise that specifically challenges the shoulder’s integrated nature.
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Dropsets & supersets are criminally underused.
Jordan Shallow
July 22 2026
Science-based critique is generally well-meaning in intent, but often suffers from an environmental disconnect in practice. With supersets and dropsets, the argument is that they offer no greater benefit over regular straight sets, but this stance ignores a crucial real-world constraint: time.
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Bulgarian Split Squats are brutally hard.
Jordan Shallow
July 15 2026
A properly-loaded set of Bulgarian Split Squats performed near failure is a quasi-religious experience. That’s because it’s a massively effective powerhouse of an exercise that rewards send-it-and-don’t-look-back levels of effort.
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The upright row is a great exercise.
Jordan Shallow
July 08 2026
Shoulder impingement is one of the most pervasive boogeymen in training. Everyone has been warned about it at some point... and with good reason. The collateral damage is one of the greatest tragedies in upper body training: the upright row.
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Forget about Turkish Get-Ups. Let’s talk about KB windmills.
Jordan Shallow
July 01 2026
The KB windmill is a unicorn in that plainly exposes the capacity to command thoracic rotation, shoulder external/internal rotation, scapular upward/downward rotation, and ribcage function.
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4 Exercises Covering Key Pull Day Biomechanics
Jordan Shallow
June 23 2026
Spinal stability, ribcage function, and scapular mechanics are crucial for long-term progression.
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Training outside of active ROM.
Jordan Shallow
June 17 2026
In the clinical realm, there’s a common perspective that, for the sake of safety, we should only train within the active range of any given joint. The reality, however, is not even remotely so black-and-white.
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Foam rollers & lacrosse balls: how they actually work.
Jordan Shallow
June 10 2026
The physiology behind self-myofascial release is popularly bastardized and widely misunderstood. While “breaking up scar tissue” seems like a reasonable explanation, it’s actually impossible with foam rollers, lacrosse balls, and the like. The actual mechanism at work here is sensory input.
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Architecting a quad-focused leg day.
Jordan Shallow
June 01 2026
Designing a good workout is a tough gig. Simply ticking boxes isn’t enough: enough time and effort must be dedicated to each aspect to net meaningful stimulus. How do we solve this puzzle without grinding our clients (or ourselves) into dust? The answer ultimately boils down to intent.
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