206


CHAPTER 10 Muscular Training: Assessments 8. B. Hip flexor length


The objective of the Thomas test is to evaluate the length of the muscles involved in hip flexion (i.e., hip flexors and rectus femoris). This test assesses the length of the primary hip flexors.


The Exercise Professional’s Guide to Personal Training, p. 424 9. B. A lack of core and gluteal strength


Lumbar dominance implies a lack of core and gluteal muscle strength to counteract the force of the hip flexors and erector spinae as they pull the pelvis forward during a squat movement. In this scenario, the individual experiences excessive loads within the lumbar spine as it moves into extension during the squat. The muscles of the abdominal wall and gluteal complex do not contribute enough in this situation to spare the back and foster proper execution of the squat. Chronically tight hip flexors, such as those experienced by individuals who sit for prolonged periods throughout the day, may also contribute to the problem.


The Exercise Professional’s Guide to Personal Training, p. 432


10. A. Lower-extremity muscular endurance This assessment evaluates muscular endurance of the lower extremity when performing repetitions of a squat-to-stand movement. This assessment is only suitable for individuals who demonstrate proper form when performing a squat. It can be used to effectively gauge relative improvements in a client’s lower-extremity muscular endurance.


The Exercise Professional’s Guide to Personal Training, p. 445


THE EXERCISE PROFESSIONAL’S GUIDE TO PERSONAL TRAINING STUDY COMPANION


American Council on Exercise


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