^{Update by Mega_Spud:}
Summary:
The legs on the armour stand rotate in the wrong direction when set in certain poses.

Steps to Reproduce:

1. Place leather trousers on an armour stand
2. Cycle through the poses

Observed Results:
On the 8th pose the left leg is facing backwards.

Expected Results:
The legs should not twist to that degree in the set poses.

Screenshots/Videos attached: Yes

Notes:

Original Description:
This is very annoying since it becomes unsymmetrical