Oct 31, 2019 Quin demonstrating eccentric Chin-ups and barbell Back Squats View this post on Instagram Here is 11-year-old Quin Spear doing an excellent job demonstrating the eccentric component on neutral grip Chin-ups and barbell Back Squats 20kg (44lbs)! We can’t say enough about this young mans dedication to training and the daily effort he puts into it! #strength #power #chins #squats #youthtraining #resultsdriven #performancetrainingsystems A post shared by Performance Training Systems (@ptschicago) on Oct 23, 2019 at 1:01pm PDT