Her next kick slammed him against the railing with a force that pained even his flexible spine.
I envied the flexible spine and dancer's grace that are the marks of a yoga devotee.
The areoles bear flexible yellow spines and white wool.
These legs are actually flexible spines that were once part of the pectoral fin.
It has no flexible spine and the face is capable of little expression.
One of the obvious is the crudely copied flexible spine.
Most species have stiff pointed hairs, or a bristly coat of flat flexible spines that allow for protection.
In her own words, Jill Tyrell is an attractive 27-year-old with a lust for life and a flexible spine.
They can do this more easily than other animals due to their flexible spine and floating collar bone.
The curved, somewhat flexible, reddish-brown spines turn gray with age.