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AAO Final Review Questions with
Detailed Verified Answers
What pelvic girdle motions occur in the sagittal plane around the
frontal axis? Ans: Anterior/posterior pelvic tilt
What pelvic girdle motions occur in the frontal plane around the
sagittal axis? Ans: Lateral tilt
What pelvic girdle motions occur in the transverse plane around
the vertical axis? Ans: Pelvic rotation
Concentric contraction of the right quadratus lumborum would
cause the pelvis to laterally tilt to which side? What is another term
for this motion? Ans: to the left; hip hiking
Motion occurs at the lumbosacral joint when the pelvis tilts
anteriorly and posteriorly and at what other distal joint? Ans: Hip
joints
What associated hip joint motion occurs when the pelvis tilts
anteriorly? Ans: hip flexion
What associated hip joint motion occurs when the pelvis tilts
posteriorly? Ans: hip extension
What associated hip joint motion occurs when the pelvis tilts
laterally? Ans: hip abduction (unsupported side); hip adduction
(weight-bearing side)
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What associated hip joint motion occurs when the left side of the
pelvis rotates forward? Ans: Right hip medial rotation
What associated hip joint motion occurs when the left side of the
pelvis rotates backward? Ans: Right hip lateral rotation
What associated lumbar motion occurs when the pelvis tilts
anteriorly? Ans: Hyperextension
What associated lumbar motion occurs when the pelvis tilts
posteriorly? Ans: Flexion
What associated lumbar motion occurs when the pelvis tilts
laterally? Ans: Lateral bending to the opposite side
If a person maintained a posture in which the pelvis was tilted
excessively in an anterior position, what muscle groups would tend
to be tight? Ans: Trunk extensors and hip flexors
If a person maintained a posture in which the pelvis was tilted
excessively in an anterior position, what muscle groups would tend
to be weak? Ans: Trunk flexors, hip extensors
If an individual has a scoliotic curve that is convex to the left, and
assuming the scoliosis was caused by a true leg discrepancy,
which would be the short leg? Ans: Left leg
A decreased lumbosacral angle causes the anterior shearing
force of L5 on S1 to ____________________. Ans: decrease
Name two ligaments that help prevent anterior shearing of L5 on
S1. Ans: Iliolumbar ligament; lumbosacral ligament
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Identify the position of the pelvis in the following activity: lying
supine, bring your right leg up to your chest. Ans: Posterior pelvic
tilt
Identify the position of the pelvis in the following activity: kneeling
on your hands and knees, let your trunk sag downward. Ans:
Anterior pelvic tilt
Identify the position of the pelvis in the following activity: kneeling
on your hands and knees, arch your back. Ans: Posterior pelvic tilt
Identify the position of the pelvis in the following activity: stand
with your left foot on a telephone book and your right foot on the
floor with weight on both feet. Ans: Left hip adducted and right
hip abducted
During an anterior pelvic tilt, what hip muscle groups help to
generate this motion? Ans: Hip flexors
During an anterior pelvic tilt, what hip muscle needs to contract as
a stabilizer while the hip flexors are contracting? Ans: Hip extensors
During an anterior pelvic tilt, what trunk muscle group helps to
generate this motion? Ans: Trunk extensors
During an anterior pelvic tilt, what trunk muscle group needs to
contract as a stabilize while the trunk extensors are contracting?
Ans: Trunk flexors
Lie supine with your knees flexed and the soles of your feet flat on
the mat. Place your hand in the small of your back (lumbar curve).
Push your back against your hand. Identify the main trunk, pelvic,
AAO Final Review Questions with
Detailed Verified Answers
What pelvic girdle motions occur in the sagittal plane around the
frontal axis? Ans: Anterior/posterior pelvic tilt
What pelvic girdle motions occur in the frontal plane around the
sagittal axis? Ans: Lateral tilt
What pelvic girdle motions occur in the transverse plane around
the vertical axis? Ans: Pelvic rotation
Concentric contraction of the right quadratus lumborum would
cause the pelvis to laterally tilt to which side? What is another term
for this motion? Ans: to the left; hip hiking
Motion occurs at the lumbosacral joint when the pelvis tilts
anteriorly and posteriorly and at what other distal joint? Ans: Hip
joints
What associated hip joint motion occurs when the pelvis tilts
anteriorly? Ans: hip flexion
What associated hip joint motion occurs when the pelvis tilts
posteriorly? Ans: hip extension
What associated hip joint motion occurs when the pelvis tilts
laterally? Ans: hip abduction (unsupported side); hip adduction
(weight-bearing side)
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What associated hip joint motion occurs when the left side of the
pelvis rotates forward? Ans: Right hip medial rotation
What associated hip joint motion occurs when the left side of the
pelvis rotates backward? Ans: Right hip lateral rotation
What associated lumbar motion occurs when the pelvis tilts
anteriorly? Ans: Hyperextension
What associated lumbar motion occurs when the pelvis tilts
posteriorly? Ans: Flexion
What associated lumbar motion occurs when the pelvis tilts
laterally? Ans: Lateral bending to the opposite side
If a person maintained a posture in which the pelvis was tilted
excessively in an anterior position, what muscle groups would tend
to be tight? Ans: Trunk extensors and hip flexors
If a person maintained a posture in which the pelvis was tilted
excessively in an anterior position, what muscle groups would tend
to be weak? Ans: Trunk flexors, hip extensors
If an individual has a scoliotic curve that is convex to the left, and
assuming the scoliosis was caused by a true leg discrepancy,
which would be the short leg? Ans: Left leg
A decreased lumbosacral angle causes the anterior shearing
force of L5 on S1 to ____________________. Ans: decrease
Name two ligaments that help prevent anterior shearing of L5 on
S1. Ans: Iliolumbar ligament; lumbosacral ligament
, Page | 3
Identify the position of the pelvis in the following activity: lying
supine, bring your right leg up to your chest. Ans: Posterior pelvic
tilt
Identify the position of the pelvis in the following activity: kneeling
on your hands and knees, let your trunk sag downward. Ans:
Anterior pelvic tilt
Identify the position of the pelvis in the following activity: kneeling
on your hands and knees, arch your back. Ans: Posterior pelvic tilt
Identify the position of the pelvis in the following activity: stand
with your left foot on a telephone book and your right foot on the
floor with weight on both feet. Ans: Left hip adducted and right
hip abducted
During an anterior pelvic tilt, what hip muscle groups help to
generate this motion? Ans: Hip flexors
During an anterior pelvic tilt, what hip muscle needs to contract as
a stabilizer while the hip flexors are contracting? Ans: Hip extensors
During an anterior pelvic tilt, what trunk muscle group helps to
generate this motion? Ans: Trunk extensors
During an anterior pelvic tilt, what trunk muscle group needs to
contract as a stabilize while the trunk extensors are contracting?
Ans: Trunk flexors
Lie supine with your knees flexed and the soles of your feet flat on
the mat. Place your hand in the small of your back (lumbar curve).
Push your back against your hand. Identify the main trunk, pelvic,
