Fisherman 's Rib vs Brioche Stitch Knitting

Fisherman Rib Pattern 1: Multiple of 2+1

Foundation row: Knit
1st row: (RS): Sl 1, *K1B, p1; rep from * to end
2nd row: Sl 1, *p1, K1B, rep from * to last 2 sts, p1, k1
Repeat the last 2 rows only.

Image - Pattern 1

Brioche Stitch Rib Pattern

Cast on an even number of stitches
Foundation row: yf sl 1 yo, K1

PATTERN row: *yf sl 1 yo, BRK 1; repeat from * til the end

BRK - means Brioche Knit

(knit the stitch that was slipped in the previous row together with its yarn over)