Training Theory

3 articles

An athlete performing a controlled dumbbell chest fly exercise, focusing on inner chest muscle engagement and proper form to prevent shoulder strain.

Execute the Dumbbell Chest Fly: Arc, Press, and Build Muscle

While the dumbbell chest fly is a staple for inner chest development, its execution inherently puts the shoulder complex in a vulnerable position, demanding precise form to prevent injury.

Hana Kim·June 4, 2026

A person performing rope crunches with incorrect form, leading to excessive lumbar spine compression and potential injury.

Training Theory

Rope Crunches: Challenging Their Effectiveness for Abs

A recent study found that over 60% of gym-goers performing rope crunches exhibit form deviations that significantly increase lumbar spine compression, according to the Journal of Sports Science, 2023.

Hana Kim·May 22, 2026

An athlete performing a heavy back squat, demonstrating the peak of strength training progress achieved through periodization.

Training Theory

What Is Periodization for Strength Training Progress?

At 39 weeks post-surgery, one athlete recovering from an ACL injury performed a 390 lbs back squat for two repetitions.

Hana Kim·May 19, 2026