Distractors
Great at flexion, adequate at extension, and designed to twist.
Adequate at extension, poor at flexion, and not designed to twist.
Great at lateral flexion, adequate at extension, and designed to twist.
Key
Great at flexion and extension, adequate at lateral flexion, and not designed to twist.
Question
From “Walking Tall with the Intercostals” - According to the text, the lumbars are: