Mobilize, then:

Crossover Symmetry activation protocol

A.) take 10 minutes to build to an 80% deadlift single
* in between sets, do 3-4 clapping pushups

B.) Three sets for times of:
12 deadlifts 205/155
9 bar facing burpees
6 bench press 155/105
12 deadlifts
9 bar facing burpees
6 bench press
*rest 1:1 or have a partner go (you go/i go), to have a spotter on the bench

C.) 3 sets of:
12 dumbbell overhead triceps extensions
10 single arm dumbbell rows
*rest as needed