Understanding Muscle Bellies and Insertions: Genetics or Hard Work?
Good muscle insertions or muscle bellies do u guys think he has top tier muscle insertions. : r/nattyorjuice
Muscle Insertions and Genetics — HOUSE OF PULL-UPS
Muscle Origin & Insertion | Complete Anatomy
How Good are your MUSCLE INSERTIONS | Vitruvian Model of Genetics - YouTube
How Good are your MUSCLE INSERTIONS | Vitruvian Model of Genetics - YouTube
Austin Dunham - Don't let my leaness, muscle insertions, and whatever else fool you 😂 @fitness_iq is actually 30 lbs heavier than me and looks like he lifts with clothes on 😭
Simplifying Muscle Origin, Insertion, And Action | 3D Muscle Lab