Bog spavin is an extensive distention of the capular ligament of the hock-joint by synovia (Fig. 48).    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

This term is applied to a peculiar involuntary movement of one or both hind limbs that is characterized by a sudden, purposeless flexion of the hock-joint (Fig. 45).    From Wordnik.com.  [Common Diseases of Farm Animals] Reference

I'm homesick from ear-socket to crupper, and from crupper to hock-joint; but it ain't any use, I've got to stay here, till the old man drops the rag and give the word -- yes, SIR, right here in this.    From Wordnik.com.  [A Tramp Abroad — Volume 03] Reference

I'm homesick from ear-socket to crupper, and from crupper to hock-joint; but it ain't any use, I've got to stay here, till the old man drops the rag and give the word, -- yes, sir, right here in this -- -- -- -- -- -- country I've got to linger till the old man says Come!.    From Wordnik.com.  [A Tramp Abroad] Reference