Train Legs to Failure - Made Fit TV - Ep 46

April 28th, 2009 | | Email This Post Email This Post |

I don’t think I know one person who doesn’t have a “trouble spot.”  But I’m not referring to fat this time - I’m talking about muscle.  Unless you’re perfect (which I doubt), there’s always one muscle, or group of muscles, that just refuses to gain in size or shape.  For many, this problem occurs more commonly in the legs.

Momentary muscle failure is a term used to refer to the moment your muscles can no longer perform a repetition due to inadequate muscle strength.  If your goal is to increase size, strength, and endurance of a muscle - this “failure” is a good thing.  One training method that involves this - and is great for legs - is post-exhaust training.

Post-exhaust training combines a low-repetition set of a heavy compound movement followed by a high-repetition set of a lighter weight isolation movement.  An example of this would be to perform a back row (the compound movement) to stimulate the biceps, followed by an isolation movement, like a bicep curl, to bring the bicep muscle to complete exhaustion.

When you see the term “post,” you assume there must be a “pre,” right?  Well, there is.  Pre-exhaust training is the opposite: an isolation movement immediately followed by a compound movement.  It is believed, however, that post-exhaust training is preferred.  The reason is that you can use heavier weight on the compound movement without completely exhausting the targeted muscle, while still being able to go relatively heavy on the isolation movement as well.

This week’s Made Fit TV video focuses on using this method on the legs - specifically the quadriceps and glutes.  Check out the video for a demonstration of pairs of exercises that will target these muscle groups.  Also, make sure you print off the notes accompanied with it for pointers on form, reps, and weight below.

Post-Exhaust Pair 1: Quadriceps

Compound: Dumbbell Hack Squat

  • Weight- Heavy
  • Reps - 8 to 10
  • Sets - 2 to 4
  • Grab a set of dumbbells and hold them at your sides with palms facing behind you
  • Elevate your heels 1 to 3 inches off the ground and stand with your feet shoulder-width apart
  • Bend your legs and lower your butt while keeping your back straight and chest up until your thighs are parallel to the floor
  • Stand up through the heels and repeat
Isolation: Alternate Front Lunges
  • Weight - Light
  • Reps - 20 to 30
  • Sets - 2 to 4
  • Begin with feet together and dumbbells in hand, if desired
  • Step your right foot forward and bend it to a 90 degree angle while lowering your body and maintaining a straight back
  • Do NOT allow your knee to go significantly beyond your ankle - only by about 20 degrees beyond the initial 90 degrees
  • Push through the heel to return to the starting position with feet together and repeat on the left leg, making it a fluid motion from right leg to left leg
Post-Exhaust Pair 2: Glutes
Compound: Barbell Box Squat
  • Weight- Heavy
  • Reps - 8 to 10
  • Sets - 2 to 4
  • Use a chair or box and stand in front of it with feet hip-width apart
  • Grab a barbell and place it behind your neck, resting on your shoulders
  • Bend your legs and lower your butt to hover over the chair or box while keeping your chest up and back straight
  • Immediately stand up through the heels before your butt touches the chair or box

Isolation: Weighted Split Squat

  • Weight - Light
  • Reps - 20 to 30
  • Sets - 2 to 4
  • Hold a a dumbbell in each hand
  • Place your right foot slightly in front of you and elevate your left foot behind you on a chair or box
  • Keeping your front heel down and chest up, lower your body until your right thigh is parallel to the ground
  • Stand up through your front heel without allowing your knee to extend over your ankle
  • Complete the set, and repeat on the left leg
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  • Christine Newhook
    Wow!!! This was amazing. I could only do one set of each. Thank you so much for posting these. I'm going to work up to doing more sets :)
  • Archan
    Hi Jenny,

    A great podcast once again. I do something similar on my legs days.

    I do a normal barbell overhead squats and superset that with a seated weighted leg raise on the machine to isolate my front quads. Do you think the lunges is a better option?
  • Glad you like the movements! One is not better than the other when you're training your legs for all around strength, size, and endurance. All are great for your legs and you should continue mixing all of those movements in your routine for the best results!
  • I have to admit, legs have been the key factor in dropping about 15 stubborn lbs. Jenny kept saying to work legs, work legs, work legs. Because they're the biggest muscles to build and the quickest it boosts that metabolism so my body is burning more efficiently throughout the day.

    It's a million times more effective than sitting there doing crunches, where you're only working those little tiny stomach muscles. In fact, I have barely worked abs at all and because my legs have turned my body into a fat burning machine, my abs are coming back.
  • Nicole
    Great point about depriving your metabolism from not training legs as often. That woke me right up! I don't do them nearly as often and that's a great way to look at it!
  • Matthew Alva
    Yea leg days are always the funniest because its such a large muscle group and require alot of overload with higher reps than the upper body would.

    Nice video Jenny. So when is your next figure comp. jenny??
  • Leg days can def take a lot out of you! This was the muscle group I really had to tear up during contest prep. My next one may not be until the Fall, after I get married to @chrissonjeow : )
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