Knitted anti-slip article

A method of knitting a therapeutic medical device that includes a knitted article and a knitted anti-slip portion, the method comprising:

• on a knitting machine, knitting at least a section of an article, the section of the article not having an anti-slip portion;
• and
• on the knitting machine without removing the article, knitting an anti-slip portion of the article, the anti-slip portion having yarns arranged in a repeating pattern, yarns including
• a first low friction yarn comprising a 1/70/34 S twist S twist yarn,
• a first high friction yarn comprising 200 dtex silicone yarn,
• a second low friction yarn comprising a 1/70/34 Z twist yarn, and
• a second high friction yarn comprising 200 dtex silicone yarn.

A knitted orthopedic article, comprising:

• a first knitted section;
• and
• a second knitted section continuously knit from the first knitted section, the second knitted section having an anti-slip portion including a repeating pattern of yarns, the repeating pattern of yarns consisting of
• a first low friction yarn comprising a 1/70/34 S twist yarn;
• a first high friction yarn comprising 200 dtex silicone yarn;
• a second low friction yarn comprising a 1/70/34 Z twist yarn;
• and
• a second high friction yarn comprising 200 dtex silicone yarn, the high friction yarns exposed in the repeating pattern to contact the skin of a wearer of the article so as to increase the anti-slip properties of the garment.