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44 Cards in this Set

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ASIS (anterior superior iliac spine compression test
1. A test for lateralization of somatic dysfunction of the sacrum, innominate or pubic symphysis.

2. Application of a force through the ASIS into one of the pelvic axes to assess the mechanics of the pelvis.
Backward bending test
1. This test discriminates between forward and backward sacral torsion/rotation.

2. This test discriminates between unilateral sacral flexion and unilateral sacral extension
Counternutation
Posterior movement of the sacral base around a transverse axis in relation to the ilia. See also nutation.
Sacral extension
posterior movement of the base of the sacrum in relation to the ilia
Sacral flexion
anterior movement of sacral base in relation to the ilia.
Seated flexion test
a screening test that determines the side of sacroiliac somatic dysfunction (motion of the sacrum on the ilium).
Ilium (pl. ilia)
the expansive superior portion of the innominate (hip bone or os coxae).
Iliosacral motion
Motion of one innominate (ilium) with respect to the sacrum. Iliosacral motion is part of pelvic motion during the gait cycle.
Innominate
The os coxae is a large irregular shaped bone that consists of three parts: ilium, ischium and pubis, which meet at the acetabulum, the cup shaped cavity for the head of the femur at the hip (femoroacetabular) joint. Also called the innominate bone or pelvic bone. See also hip bone.
Innominate rotation
Rotational motion of one innominate bone relative to the sacrum on the inferior transverse axis.
Anterior innominate rotation
a somatic dysfunction in which the anterior superior iliac spine (ASIS) is anterior and inferior to the contralateral landmark. The innominate (os coxae) moves more freely in an anterior and inferior direction, and is restricted from movement in a posterior and superior direction.
Inferior innominate shear
a somatic dysfunction in which the anterior superior iliac spine (ASIS) and posterior superior iliac spines (PSIS) are inferior to the contralateral landmarks. The innominate (os coxa) moves more freely in an inferior direction, and is restricted from movement in a superior direction.
Inflared innominate
a somatic dysfunction of the innominate (os coxae) resulting in medial positioning of the anterior superior iliac spine (ASIS). The innominate moves more freely in a medial direction, and is restricted from movement in a lateral direction.
Outflared innominate
a somatic dysfunction of the innominate (os coxae) resulting in lateral positioning of the anterior superior iliac spine (ASIS). The innominate moves more freely in a lateral direction, and is restricted from movement in a medial direction.
Posterior innominate rotation
a somatic dysfunction in which the anterior superior iliac spine (ASIS) is posterior and superior to the contralateral landmarks. The innominate (os coxae) moves more freely in a posterior and superior direction, and is restricted from movement in an anterior and inferior direction.
Superior innominate shear
a somatic dysfunction in which the anterior superior iliac spine (ASIS) and posterior superior iliac spines (PSIS) are superior to the contralateral landmarks. The innominate (os coxa) moves more freely in a superior direction, and is restricted from movement in an inferior direction.
Nutation
Nodding forward; anterior movement of the sacral base around a transverse axis in relation to the ilia.
Pelvic rotation
Movement of the entire pelvis in a relatively horizontal plane about a vertical (longitudinal) axis.
Pelvic sideshift
Deviation of the pelvis to the right or left of the central vertical axis as translation occurs along the horizontal (z) axis. Usually observed in the standing position.
Pelvic tilt
Pelvic rotation about a transverse (horizontal) axis (forward or backward tilt) or about an anteriorposterior axis (right or left side tilt).
Pelvis
Within the context of structural diagnosis, the pelvis is made up of the right and left innominates, (hip bone or os coxae) the sacrum and coccyx.
Rotation of sacrum
movement of the sacrum about a vertical (y) axis (usually in relation to the innominate bones).
Sacral base
1. In osteopathic palpation, the uppermost posterior portion of the sacrum.

2. The most cephalad portion of the first sacral segment (Gray’s Anatomy).
Sacral movement axes:
any of the hypothetical axes for motion of the sacrum.
Anterior-posterior (x) axis
axis formed at the line of intersection of a sag ittal and transverse plane
Inferior transverse axis (innominate)
1. the hypothetical functional axis of sacral motion that passes from side to side on a line through the inferior auricular surface of the sacrum and ilia, and represents the axis for movement of the ilia on the sacrum.

2. A term described by Fred Mitchell, Sr, DO.
Longitudinal axis
the hypothetical axis formed at the line of intersection of the midsagittal plane and a coronal plane, See sacral motion axis, vertical (y) axis longitudinal.
Middle transverse axis (postural)
1. the hypothetical functional axis of sacral nutation/counternutation in the standing position, passing horizontally through the anterior aspect of the sacrum at the level of the second sacral segment.

2. A term described by Fred Mitchell, Sr, DO.
Oblique axis (diagonal)
1. a hypothetical functional axis from the superior area of a sacroiliac articulation to the contralateral inferior sacroiliac articulation. It is designated as right or left relevant to its superior point of origin.

2. A term described by Fred Mitchell, Sr, DO.
Postural axis
See sacrum, middle transverse axis (postural).

1. the hypothetical functional axis of sacral nutation/counternutation in the standing position, passing horizontally through the anterior aspect of the sacrum at the level of the second sacral segment.

2. A term described by Fred Mitchell, Sr, DO.
Respiratory axis
See sacrum, superior tra nsverse axis (respiratory).

1. the hypothetical transverse axis about which the sacrum moves during the respiratory cycle. It passes from side to side through the articular processes posterior to the point of attachment of the dura at the level of the second sacral segment. Involuntary sacral motion occurs as part of the craniosacral mechanism, and is believed to occur about this axis.

2. A term described by Fred Mitchell, Sr, DO.
Superior transverse axis (respiratory)
1. the hypothetical transverse axis about which the sacrum moves during the respiratory cycle. It passes from side to side through the articular processes posterior to the point of attachment of the dura at the level of the second sacral segment. Involuntary sacral motion occurs as part of the craniosacral mechanism, and is believed to occur about this axis.

2. A term described by Fred Mitchell, Sr, DO.
Transverse (z) axes
axes formed by intersection of the coronal and transverse planes about which nutation/counternutation occurs.
Vertical (y) axis (longitudinal) the
axis formed by the intersection of the sag ittal and coronal planes.
Sacral somatic dysfunction
any of a group of somatic dysfunctions involving the sacrum. These may be the result of restriction of normal physiologic motion or trauma to the sacrum. See also T.A.R.T.
Sacral sulcus
A depression just medial to the posterior superior iliac spine (PSIS) as a result of the spatial relationship of the PSIS to the dorsal aspect of the sacrum.
Sacral torsion
1. A physiologic function occurring in the sacrum during ambulation and forward bending.

2. A sacral somatic dysfunction around an oblique axis in which a torque occurs between the sacrum and innominates. The L5 vertebra rotates in the opposite direction of the sacrum.

3. If the L5 does not rotate opposite to the sacrum, L5 is termed maladapted.

4. Other terms for this maladaption include: rotations about an oblique axis, anterior or posterior sacrum and a torsion with a non-compensated L5 (Archaic use). See also sacrum, somatic dysfunctions of.
Sacroiliac motion
Motion of the sacrum in relationship to the innominate(s) (ilium/ilia).
Sacrum, inferior lateral angle (ILA) of
The point on the lateral surface of the sacrum where it curves medially to the body of the fifth sacral vertebrae (Gray’s Anatomy).
Screen
The initial general somatic examination to determine signs of somatic dysfunction in various regions of the body. See also scan.
Shear
An action or force causing or tending to cause two contiguous parts of an articulation to slide relative to each other in a direction parallel to their plane of contact. See also pubic bone, somatic dysfunctions of. See also innominates, somatic dysfunctions of, inferior innominate shear. See also innominates, somatic dysfunction of, superior innominate shear. See also sacrum, somatic dysfunctions of, sacral shear.
Spring test
1. A test used to differentiate between backward or forward sacral torsions/rotations.

2. A test used to differentiate bilateral sacral extension and bilateral sacral flexion.

3. A test used to differentiate unilateral sacral extension and unilateral sacral flexion.
Symphyseal shear
The resultant of an action or force causing or tending to cause the two parts of the symphysis to slide relative to each other in a direction parallel to their plane of contact. It is usually found in an inferior/superior direction but isoccasionally found to be in ananterior/posterior direction.
Torsion
1. A motion or state where one end of a part is twisted about alongitudinal axis while the opposite end is held fast or turned in theopposite direction.

2. An unphysiologicmotion pattern about an anteroposterioraxis of the sphenobasilar symphysis/synchondrosis. See alsosphenobasilar synchondrosis(symphysis), somatic dysfunctions of, Torsion