What specifically?
Hypertrophy of the sternocleidomastoid is performed by various weighted and non-weighted exercises
Chin tucks, reverse weighted neck curls, and weighted neck curls.
Chin Tuck:
Weighted Neck Curl
Reverse Neck Curl
What will this do?
Improve neck to bigonial
Increase sexual dimorphism
Improve head positioning and the entire postural chain
