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8/17/2019 Core and Hip Slings - Function Review
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Core Hip and Slings -Intelligent prescription
PRESENTED BY:
Max MARTIN BAppSc (Hons) AEP
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Prescription Paradigms
Movement is a behaviour
Developmental and learned
Quality over quantity
Posture is a good baseline for movement
Posture is not the cause of dysfunction but aSMP!"M
Such dysfunction corresponds to compromisedactivity of muscles
Stabilisers typically become hypotonic#inhibited $%allo&ing' faulty posture
(ross movers typically become hypertonic#facilitated$ %driving' faulty posture
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tightness &ea)ness
antagonist
synergist
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*hy &ea)ness+
Muscle inhibition due to pain#in,ury
Muscle susceptibility $ eg .M" vs ./ atrophy post
surgery
Muscle inactivity in chronic postures $ eg Sedentary
behaviours
C0S driven protection
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*hy tightness+ 1oint 2"M can be limited by the follo&ing factors
3 1oint constraints
4 connective tissue 56789 $ protective:
inactivity: hypertonicity
; 0eurogenic constraints 5voluntary and
re
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ghtness+
r
aining stability++
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tightness &ea)ness
antagonist
synergist
Hamstrings
(lutema=
Hip >le=ors• Psoas• Iliacus• !>/• 2ec fem/umbar?rectors
(lute ma= !r@5Acore9
Clinical#PracticalBndings
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1oint by ,oint approach
@n)le>oot
nee
Hip
Lx Spine
!= Spine
Scapula
(H 1oint
MobileStable
Stable
Mobile
Stable
Mobile
Stable
Mobile
Sti unstable
unstable
Stif
unstable
Sti
unstable
Sti
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C"2? @natomy
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!he research ,ourney3EE4F !r@ found to e=hibit anticipatory function 5activation prior to activation ofprime movers in arm movements9 in healthy sub,ects 5Cress&ell9
3EEG-EF !r@ disrupted in multi-directional arm movements in /P sub,ects
3EEJF !r@ also disrupted in lo&er limb movements among /P patients
4773F !r@ latency in /P patients sho&n to increase &ith increasing tas) demand
4773F ?=perimentally induced pain causes disruption 5hypoactivity9 in the !r@
4774F !r@ contraction sho&n to increase stiness of the sacro-illiac ,oint to a
greater e=tent than a more global abdominal contraction
477F Pelvic
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/umbar .ertebrae
/argest and strongest due tocompressive load
Cortical bone shell &ith cancellousbone core 5trabeculae9 .ertical
Column alignment
@ids shoc) absorption quality of/3-L
@ge and repetitious loadingdegenerate horiontal trabeculae%struts'
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/umbar facet ,oints
ony articulations bet&een vertebrae
Synovial 1oints- articular surfaces
covered in hyaline cartilage@llo&
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Sacroiliac 1oints
1unction point bet&een spine and
pelvis
Synovial 1oint- innervated by pain
receptors
Corrugated design to assist stability
@llo&s for&ard and bac)&ard tilting of
the sacrum
Subla=ation possible: resulting in dull
ache or sharp pain that may referinferiorly
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IntervertebralDiscsColloidal gel nucleus
Concentric rings of Bbrocartilage
5lamellae9 form the annulus
"uter third "0/ innervated by pain and
mechanoreceptors
Slight movement of the vertebrae helps
rehydrate discs
2epetitious torsion forces can derange
annulus: allo&ing nucleus to seep out
/ate &arning of this process due to lac)
of pain receptors amongst inner 4#; of
annulus
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Intervertebral DiscsCont'd
Discs are poor shoc) absorbers – .ery little compressive potential
– 0ucleus facilitates movementrather than compression
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!horacolumbar>ascia
Dense multilayered sheet ofconnective tissue
Insertion point for manymuscles
"veractive lats and#or glutescan cause e=cess collagendeposition: ma)ing !/> moresti
!his can restrict the ability of !r@ to slide freely as it pulls on
deep layer
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!ransversus @bdominis
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!ransversus @bdominis
Intra-abdominal pressure: thus ma)ing this area more sti5less bendable9
Increases the stiness of thoraco-lumbar fascia andabdominal aponeurosis
/ine of pull helps to align the ribs and pelvis in anatomicallycorrect
>ibres crossing the sacroiliac ,oints pull the Ilium and thesacrum closer together: decreasing la=ity in these ,oints
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(luteus Ma=imus
Primary hip e=tensor and e=ternal rotatorNImportant for maintaining upright posture
Stabiliser of SI1 via attachment to !/>
Supports hip and )nee via I! attachment
>unctional role in stepping: running: climbing etc
andO
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(luteus Medius
Primary abductor and controller of rotation of
the hipN>unctionally supports pelvis during S/ stanceand gait
Plays rotator cu-li)e role
Strongest in neutral or slight adduction
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!ensor >ascia /atae
Primary functions are hip
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Iliotibial and
!hic): lateral aspect offascia lata
@ttachment point forglute ma=: !>/ 5and
glute med9Indirect insertion ontopatella
@natomicallyimpossible to stretch
eectively
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Piriformis ?=ternal Hip
2otatorsPrimarily lateral rotator of thehip
In hip
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.astus Medialis
/ateralis
Primary action is )nee e=tension in
inner range- 3L-47deg of )nee
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Single /egged Squat
Functional sten!t"execise
Assess#ent tool
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S/Sq 2esearch 5performance andstrength9
*ilson et al 5477G9 >rontal Plane Pro,ection@ngle measured 5>PP@9
*omen >PP@
*ea)ness in e=ternal rotators correlatedmost closely to >PP@ 5predisposes to @C/in,ury P>P9
Claiborne et al 5477G9
Hip abductor strength most important forresisting valgus alignment
Crossley: 477G
(lute med sho&n to be latent in poor S/Q
Ab$uction sten!t" an$ Ten$elenbu!test s"o%s coelation to SLS&
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Slin!s
!h M @
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SuperBcial >ront/ine
!homas Myers- @natomy !rains
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SuperBcial ac)/ine
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Spiral /ine
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'oecti(es)
)'oe execises:/eg loads 5ant oblique: ant superBcial andSpiral9
hip e=tension 5post oblique and posteriorsuperBcial9
Hip lifts#S/ 5post oblique and postsuperBcial9
Hip execises:
Squat 5posterior superBcial9:
S/ D/ 5/ateral9: hitches 5lateral9 and 2ots
5posterior and anterior oblique9: S/ SQ
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PRESENTED BY:Max MARTIN BAppSc (Hons)AEP
@iNformMaxMartinmax@correctiveexerciseaustralia.com