Question

fill in the blank: which exercise would be most beneficial to the lats? push - ups, pull - ups or lateral raises? the latissimus dorsi aids in inspiration, expiration or both?

Explanation:

The latissimus dorsi (lats) are best - targeted by pull - ups as they involve the adduction and extension of the shoulder joint which the lats are responsible for. The lats assist in forced expiration by depressing the rib cage.

Answer:

Pull - ups
Expiration