Many lifters use external sources of motivation to amp themselves up for a workout: music, stimulants, having their training partner slap them before a big lift, etc. These methods can become counterproductive because of something called "training on the nerve."
related posts
Tip: The Math Formula for Big Biceps
Once you're past the newbie stage, try this barbell curling strategy to trigger new arm hypertrophy.
4 Ways to Get Strong on Everything
You don't need to train every movement to build overall strength. Just work on these four things to automatically improve every big lift.
Hit the Floor for Upper Body Strength
Ditch the bench for a while and try these three exercises to increase lockout strength and blow up your triceps.
The Holy Grail of Sports Training: EMOM Sets
EMOM sets are magical. They train the body to fire motor units faster, more explosively, and more powerfully. They even improve technique. Here's how to do them.