identifying core structure
DESCRIPTION
Learn to science behind "mechanicaladvantage"TRANSCRIPT
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Presented by
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1. CORE STRUCTURE:
The correct adult S-shaped structure that functions optimally
for human movement in Earth’s gravity.
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2. CORE STABILITY:
The combination of highly strengthened/conditioned CORE MUSCULATURE & orthopedically correct CORE STRUCTURE from which the body most optimally & safely functions from.
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3. ORTHOPEDIC:
The restoration & preservation of proper skeletal (spinal)
structure & function.
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Maximizing core structure – part 2a.
QUESTION No. 1:
My CORE STRUCTURE consists of my skeletal bone/ vertebrae. HOW DO I make my CORE STRUCTURE stronger???
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Maximizing core structure – part 2a.
Core structure is a lever arm
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CENTER OF MASS & RESISTANCE FORCE
ANSWER TO QUESTION No. 1:
MECHANICAL ADVANTAGE - the ratio of the force exerted by a machine to the force applied to it. (Force exerted greater than force applied).
50 lbs
FORCE OF EFFORT
EFFECTIVE EFFORT DISTANCEEFFECTIVE RESISTANCE DISTANCE
FULCRUM
10 LBS.
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Maximizing core structure – part 2a.
MECHANICAL DISADVANTAGE – the ratio of the force exerted by a machine to the force applied to it. (Force exerted less than force applied).
FORCE OF EFFORT
250 LBS.
EFFECTIVE EFFORT DISTANCE
EFFECTIVE RESISTANCE DISTANCE
CENTER OF MASS & RESISTANCE FORCE
50 LBS.
FULCRUM
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GREAT CORE STRUCTURE
50 lbs
GREAT MECHANICAL ADVANTAGE
10 LBS. OF MUSCLE EFFORT
50 LBS. OF RESISTANCE
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MYTH No. 1
“Training my core as hard as I can will make my CORE STRUCTURE GET STRONGER”
250 LBS. OF
MUSCLE EFFORT
50 LBS. OF RESISTANCE
WEAK CORE STRUCTUREMECHANICAL DISADVANTAGE
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CENTER OF MASS OF THE BODY
L3
L2
GREAT CORE STRUCTURE
INTERSPINALIS
FULCRUM
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GREAT CORE STRUCTURE
50 lbs
GREAT MECHANICAL ADVANTAGE
10 LBS. OF MUSCLE EFFORT
50 LBS. OF RESISTANCE
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CENTER OF MASS OF THE BODY
=
POOR MECHANICAL ADVANTAGE
BEFORE POWERCORE XL 1000
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CENTER OF MASS OF THE BODY GREAT MECHANICAL ADVANTAGE
=
AFTER POWERCORE XL 1000
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Maximizing core structure - part 2a.
L2
L3L3 L3
L2 L2
Interspinalis relaxed Interspinalis contracted Interspinalis chronically contracted (disc degeneration)
Interspinalis functions to extend the vertebral column.
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The Interspinalis is chronically fatigued in the position of MECHANICAL DISADVANTAGE - it cannot carry out its function of extending the vertebrae.
INTERSPINALIS CONTRACTED CENTER OF MASS
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GREAT MECHANICAL ADVANTAGE GREAT MECHANICAL ADVANTAGE
Interspinalis DIRECTION OF PULL
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Easy to understand-
=
= L2
L3
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=
=L2
L3
AVOID THIS CORE STRUCTURE
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AVERAGE CORE STRUCTURE GREAT CORE STRUCTURE
L2
L3
L2
L3
1166 lbs. of muscle effort L1 thru L5 Interspinalis
77 lbs. of muscle effort L1 thru L5 Interspinalis
15X greater mechanical advantage
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Next in part 2b, we will demonstrate & explain the orthopedic exercises that are proven to transform AVERAGE core structure into GREAT core
structure-
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Presented by Aaron J. Forbes, C.S.F.S.Director of Player Development
www.powercoreabs.com
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Common “Core” exercises – All are great at strengthening core musculature!
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Focus is here Not here
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EPIC FAIL…
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