AFAA COMPREHENSIVE TEST
QUESTIONS AND SOLUTIONS
◉ Integrated function of the Psoas muscle. Answer: Eccentrically
decelerates hip internal rotation
Eccentrically decelerates hip extension
Isometrically stabilizes the LPHC
◉ Iliacus. Answer: What muscle is this?
◉ Isolated function of the Iliacus muscle. Answer: Concentrically
accelerates hip flexion and external rotation
◉ Integrated function of the Iliacus muscle. Answer: Eccentrically
decelerates hip extension and internal rotation
Isometrically stabilizes the LPHC
◉ Sartorius. Answer: What muscle is this?
◉ Isolated function of the Sartorius muscle. Answer: Concentrically
accelerates hip flexion, external rotation, and abduction
Concentrically accelerates knee flexion and internal rotation
,◉ Integrated function of the Sartorius muscle. Answer: Eccentrically
decelerates hip extension and internal rotation
Eccentrically decelerates knee extension and external rotation
Isometrically stabilizes the LPHC and knee
◉ Piriformis. Answer: What muscle is this?
◉ Isolated function of the Piriformis muscle. Answer: Concentrically
accelerates hip external rotation, abduction, and extension
◉ Integrated function of the Piriformis muscle. Answer:
Eccentrically decelerates hip internal rotation, adduction, and
flexion
Isometrically stabilizes the hip and sacroiliac joints
◉ Rectus abdominis. Answer: What muscle is this?
◉ Isolated function of the rectus abdominis. Answer: Concentrically
accelerates spinal flexion, lateral flexion, and rotation
◉ Integrated function of the rectus abdominis. Answer: Eccentrically
decelerates spinal extension, lateral flexion, and rotation
,Isometrically stabilizes the LPHC
◉ External oblique. Answer: What muscle is this?
◉ Isolated function of the external oblique. Answer: Concentrically
accelerates spinal flexion, lateral flexion, and contralateral rotation
◉ Integrated function of the external oblique. Answer: Eccentrically
decelerates spinal extension, lateral flexion, and rotation
Isometrically stabilizes the LPHC
◉ Internal Oblique. Answer: What muscle is this?
◉ Isolated function of the Internal Oblique. Answer: Concentrically
accelerates spinal flexion, lateral flexion, and ipsilateral rotation
◉ Integrated function of the Internal Oblique. Answer: Eccentrically
decelerates spinal extension, rotation, and lateral flexion
Isometrically stabilizes the LPHC
◉ Transverse abdominis. Answer: What muscle is this?
, ◉ Isolated function of the Transverse abdominis. Answer: Increases
intra-abdominal pressure
Supports the abdominal viscera
◉ Integrated function of the transverse abdominis. Answer:
Isometrically stabilizes the LPHC
◉ Diaphragm (muscle). Answer: What muscle is this?
◉ Isolated function of the diaphragm muscle. Answer:
Concentrically pulls the central tendon inferiorly, increasing the
volume in the thoracic cavity
◉ Integrated function of the diaphragm muscle. Answer: Stabilizes
the LPHC
◉ Quadratus lumborum. Answer: What muscle is this?
◉ Isolated function of the quadratus lumborum muscle. Answer:
Spinal lateral flexion
◉ Integrated function of the quadratus lumborum muscle. Answer:
Eccentrically decelerates contralateral lateral spine flexion
Isometrically stabilizes the LPHC
QUESTIONS AND SOLUTIONS
◉ Integrated function of the Psoas muscle. Answer: Eccentrically
decelerates hip internal rotation
Eccentrically decelerates hip extension
Isometrically stabilizes the LPHC
◉ Iliacus. Answer: What muscle is this?
◉ Isolated function of the Iliacus muscle. Answer: Concentrically
accelerates hip flexion and external rotation
◉ Integrated function of the Iliacus muscle. Answer: Eccentrically
decelerates hip extension and internal rotation
Isometrically stabilizes the LPHC
◉ Sartorius. Answer: What muscle is this?
◉ Isolated function of the Sartorius muscle. Answer: Concentrically
accelerates hip flexion, external rotation, and abduction
Concentrically accelerates knee flexion and internal rotation
,◉ Integrated function of the Sartorius muscle. Answer: Eccentrically
decelerates hip extension and internal rotation
Eccentrically decelerates knee extension and external rotation
Isometrically stabilizes the LPHC and knee
◉ Piriformis. Answer: What muscle is this?
◉ Isolated function of the Piriformis muscle. Answer: Concentrically
accelerates hip external rotation, abduction, and extension
◉ Integrated function of the Piriformis muscle. Answer:
Eccentrically decelerates hip internal rotation, adduction, and
flexion
Isometrically stabilizes the hip and sacroiliac joints
◉ Rectus abdominis. Answer: What muscle is this?
◉ Isolated function of the rectus abdominis. Answer: Concentrically
accelerates spinal flexion, lateral flexion, and rotation
◉ Integrated function of the rectus abdominis. Answer: Eccentrically
decelerates spinal extension, lateral flexion, and rotation
,Isometrically stabilizes the LPHC
◉ External oblique. Answer: What muscle is this?
◉ Isolated function of the external oblique. Answer: Concentrically
accelerates spinal flexion, lateral flexion, and contralateral rotation
◉ Integrated function of the external oblique. Answer: Eccentrically
decelerates spinal extension, lateral flexion, and rotation
Isometrically stabilizes the LPHC
◉ Internal Oblique. Answer: What muscle is this?
◉ Isolated function of the Internal Oblique. Answer: Concentrically
accelerates spinal flexion, lateral flexion, and ipsilateral rotation
◉ Integrated function of the Internal Oblique. Answer: Eccentrically
decelerates spinal extension, rotation, and lateral flexion
Isometrically stabilizes the LPHC
◉ Transverse abdominis. Answer: What muscle is this?
, ◉ Isolated function of the Transverse abdominis. Answer: Increases
intra-abdominal pressure
Supports the abdominal viscera
◉ Integrated function of the transverse abdominis. Answer:
Isometrically stabilizes the LPHC
◉ Diaphragm (muscle). Answer: What muscle is this?
◉ Isolated function of the diaphragm muscle. Answer:
Concentrically pulls the central tendon inferiorly, increasing the
volume in the thoracic cavity
◉ Integrated function of the diaphragm muscle. Answer: Stabilizes
the LPHC
◉ Quadratus lumborum. Answer: What muscle is this?
◉ Isolated function of the quadratus lumborum muscle. Answer:
Spinal lateral flexion
◉ Integrated function of the quadratus lumborum muscle. Answer:
Eccentrically decelerates contralateral lateral spine flexion
Isometrically stabilizes the LPHC
