Attempt bodybuilding coach Joe Bennett’s methods for a six-pack.
Final up to date on January eleventh, 2025
Hypertrophy coach Joe Bennett says, “Nerds say [hanging leg raises] usually are not an ab train however hip flexor train. Meatheads say, ‘I really feel my abs, so they’re an ab exercise!” Hanging leg raises can practice each muscular tissues successfully. Since six-pack abs are the first purpose for many, Bennett explains the best way to goal these muscular tissues with leg raises and shares his favourite ab train.
What Do Abs Do?
Figuring out worthwhile ab workouts begs some basic questions:
- What do the abs do?
- What workouts carry out these capabilities most successfully?
“Muscle tissues create rigidity between an origin and insertion. And what does that rigidity do? Effectively, it relies upon,” Bennett defined. The rectus abdominis, or the six-pack muscular tissues, do two issues — curl the pelvis and ribs collectively, as seen throughout crunch variations, and contract isometrically (with out shifting) to withstand movement from outdoors forces.
Workout routines that require bending and increasing the torso (isotonic reps) are higher for constructing ab muscular tissues. The way you carry out leg raises favors the abs, hip flexors, or each. Bennett offered a mechanics breakdown for every variation:
[Related: The Best Beginner Workout Plan To Start Your Fitness Journey]
Hanging Leg Raises for Hip Flexors
Throughout hanging leg raises, if the pelvis and backbone keep impartial, the hip flexors principally elevate the legs. The abs have interaction isometrically to stabilize and forestall the pelvis from tilting ahead, however that is suboptimal for hypertrophy.
“In the event you let your pelvis tilt [forward], it’s virtually not an ab train in any respect,” Bennett acknowledged since there’s minimal ab rigidity and all hip flexion.
Hanging Leg Raises for Abs
To focus on the abdominals, tilt the pelvis again by tucking the hips ahead and crunch the higher abs towards the pelvis. The movement ought to come solely from the pelvis, with out flexing the hips. “That movement is 100% from the abs,” Bennett assured.
If the straight-leg model is just too difficult, bend the knees to maintain the legs nearer to the axis or pelvis. “Shortening the second arm decreases the load,” Bennett defined. (1)
Are Hanging Leg Raises Price Doing?
“[Hanging leg raises] for abs is a reasonably good train,” Bennett admitted since they’ll additionally have interaction the exterior obliques — the core muscular tissues on both facet of the abdominals — with pelvic motion, in contrast to normal crunches. Hanging leg raises fall in need of excellence as a consequence of their restricted movement and minimal rigidity throughout eccentrics.
Loading muscular tissues with maximal rigidity of their stretched place is believed to be higher for hypertrophy.
Higher Ab Train?
If Bennett needed to choose a extra optimum ab train, it’d be crunches utilizing a curved ab mat for a larger vary of movement. “The ab mat takes you thru [full spinal flexion and extension],” he defined. The motion is less complicated towards the highest of the crunch and tougher as you lie again as a consequence of an extended second arm. That is extra favorable, whereas hanging leg raises are the other.
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Reference
- Sherman MA, Seth A, Delp SL. WHAT IS A MOMENT ARM? CALCULATING MUSCLE EFFECTIVENESS IN BIOMECHANICAL MODELS USING GENERALIZED COORDINATES. Proc ASME Des Eng Tech Conf. 2013 Aug;2013:V07BT10A052. doi: 10.1115/DETC2013-13633. PMID: 25905111; PMCID: PMC4404026.
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