Table 1.

Characteristics of the therapy horses of this study.

Horse	Breed	A	Sex	W	H	TP	BL
1	PSB	20	M	400	1.51	1.77	1.50
2	PSB	17	F	450	1.55	1.94	1.53

PSB: pure Spanish breed; A: age (years); M: male; F: female; W: weight (kg); H: height at the withers (m); TP: thoracic perimeter (m); BL: body length or scapulo-ischium distance (from the scapulo-humeral joint to the area of greatest convexity of the gluteal muscles) (m).