average individuals benefit from the frequency to develop the correct technique; and (b) average individuals can only use a weight that they can recover from in 24 hrs, training 5 days/week.
Novice Lifters
A novice lifter that is new to the Deadlift, any movement, need some frequency with light to moderate loads to lean the movement. With light to moderate load, technique is easier to maintain as long as the lift is not performed to the point of muscle fatigue.
Essentially, lifting light to moderate loads make you good at lifting light to moderate loads.
"Wound Healing"
This means the greater the trauma produced in a training session, the longer the recovery time needed for healing/recovery.
Training session that are of higher intensity require more recovery time.
The less traumatic the training session, the quicker the healing/recovery.
Using a lighter load/lower intensity allows for quick recovery time.
Initially, working with lighter loads/lower intensity works for novice lifter for increasing strength and size. However, at some point, if the lifter wants to increase strength and size, training intensity need to increase.
Intensity For Progress
Training intensity is one of the factors necessary for increasing strength and size, dependent on how the program is written and followed.
Progressive overload in a training cycle over a number of week is necessary. The final week of the training cycle need to push the exercise to failure or near failure.
Once that occurs, a new training cycle is stared with a lighter load and lower intensity. This promotes...
Active Recovery
Active recovery with lighter loads/lower intensity promotes recovery. Blood delivers nutrients to the muscle and take out the garbage.
All of that goes out the window when you can pull 900+ lbs. You don't need the frequency because your technique has been honed over years of coaching and practice. You accumulate more volume in your first 2 warm ups than the average individual does on a PR day. And your risk of injury during the lift is much higher. So, strongmen generally train the DL every 10 days - 3 weeks, and rarely go for maximal pulls.
Technique Training
As per Dr Tom McLauglin (PhD Exercise Biomechanics/former Powerlifter), "Technique is everything".
Advance Lifter have honed into the technique of the lift/movement. However, some emphasis in their training program should be set aside for technique training.
"Practice does not make perfect. Only perfect practice make perfect."
Vince Lombardi
Technique is optimally developed when the movement is performed with loads of 85% of your 1 Repetition Max for single and multiple sets.
Technique Training with light to moderate load is necessary for novice lifters. However, at some point, the percentage of 1 Repetition Max needs to increase.
It amount to batting practicing, hitting a 60 mph fast ball. It make you good at hitting a 60 mph fast ball. However, it not going to help you with hitting a 90 mph fast ball.
Accumulating Volume
Someone who can pulls 900 lbs isn't going to accumulate more volume in two their first two warm up set than the average individual.
Risk of Injury
The closer any lifter gets to their max, be it in a 1 RM or 5 RM, the greater risk of injury. The heavier the load the harder it is to control.
It's like driving a car, you're less likely to have an accident going 40 mph and hour vs going 120 mph. You have more control at 40 mph and more reaction time than if you're going 120 mph.
So, strongmen generally train the DL every 10 days - 3 weeks, and rarely go for maximal pulls.
Back To "Wound Healing"
Most Powerlifter only train the Deadlift once every 7 to 10 Days.
For that matter, most individual who train the Deadlift heavy need more recovery time. They find Deadlifting once every 7 days is effective.
That because the lower back is quickly and easily over trained.
Kenny Croxdale