The arm looks thick from the side but lacks depth from the back. It’s not genetics It’s exercise selection?

Side thickness without rear depth screams long head neglect.

Triceps long head builds arm depth from behind.

Pushdowns bias lateral head, not rear arm fullness.

Overhead extensions fix missing back-side arm thickness.

Elbow position dictates which triceps head dominates growth.

Genetics blamed when programming ignores long head tension.

Skullcrushers alone won’t build full rear depth.

Stretch under load matters for triceps long head.

Back view arm depth equals long head development.

Add overhead cables, watch arm silhouette change.

Short head grows easier, long head needs intention.

Rear delt and triceps tie-in affect arm depth.

Full lockout isn’t enough without lengthened loading.

Angle variety beats load when chasing arm shape.

Isolation reveals imbalances compounds hide easily.