Because most people prefer to have a well-developed upper body, we focus our intensity on the upper body lifts first in a workout. This is when we are freshest and keeps us from our CNS being shot due to the load that deads and squat place on the nervous system. No matter how grueling a bench or press session is, it will not come close to taxing the CNS or causing fatigue like the deadlift or squat do.
Because of this CNS strain we perform squats and deads as the last lift of the day, always. Bottom line is, it’s almost impossible to have an upper body workout be so tough that it messes up your squats...
Also a heavy squat or deadlift session is going to tax the core in ways nothing else can, this can and will affect your press,...