Lumbar Vertebra Flashcards
Sup facets
Concave
Superomedial
Inf facets
Convex
Anterolateral
Upper lumbar is oriented
Near sagittal plane
Middle and lower lumbar are oriented
Sagittal and frontal planes
Lumboscaral angle aka as
Sacrohprizontal angle
N deg of lumbosacral angle
30 deg
S1is inclined (ant/post)and (inf,sup) forms an angle with the horizontal
Ant, inf
The size of angle varies with _____of pelvis/sacrum and affects lumbar curvature
Position
Inc. Lumbosacral angle resulsts to _____posture of lumbar spine which inc amt of ant shearing stress at ____ jt
Lordotic
L-S jt
Iliolumbar lig prevents ant displacement of ___
L5
Iliolumbar lig resist aother motions at ___
L5-S1
Dynamic resistance to anterior shear stress
Deep layer of errector spinae
Important for stability, synergy of abdominals during rotation
Multifidus
2 Mm for proprioception
Rotatores and transversarii
Primary mm flexor
Rectus abdominis
Mm attached to abdominal fascia
Pectoralis major aponeurosis
Mm for SI jt stability
Transversus abdominis
Mm for frontal and horizontal plane stability
Quadratus lumborum
Actions of quads lum (give 3)
Hip hike
Lat flexors
Cont rot
The mm are like ____ ____ acting on a post
The trunk will deviare on the side of weakness
Guy wires
Mm that put thoracolumbar fascia into tension give 3
Lats dorsi Gluts max Thoracolumbar fascia Errector spinae Primary extensors
Inflow and outflow of air bet. Atmosphere and lung alveoli (exchange of gas)
Pulmonary ventilation
Pump handle inc in Movement of sternum and upper ribs Forward/backward Upward/downward Spine is ext/flex
Ap dimension
Bucket handle inc in what dimension What ribs?? Elev/dep Inward/outward Turning of lat portion of ribs
Transverese (lat)
Elev
Outward
