Sleeve Articulation:

Trace off new combined front and back yoke and sleeve section.
Mark point 37 mid way between 33 - 31.
Mark point 38 mid way between 31 - 32.
Join 10 - 37 and 29 - 38 with straight lines.
Square 37 - 33, extending underarm measurement as necessary.
Square 38 - 32, ensuring F and B underarm seams of equal measurement.
Mark elbow point, 39, mid way 10 - 37 and point 40 mid way 29 - 38
33 - 41 = 37 - 39 , 31 - 42 = 37 - 39, and 32 - 43 = 37 - 39.
Join points 41, 39, 42, 40 and 43 to give elbow line.
Mark reference points1,5 cm up and down from 39 on back sleeve line and up and down from 40 on front sleeve line;
(NB: This articulation can be reduced or extended as required)
Draw in shallow ´S´ curves as shown on diagram from 41 - 43.
Extend 10 - 37 by 1 cm and reduce 29 - 38 by 1 cm - see diagram.
Draw in new shaped wrist line. Trace off upper and lower sections of sleeve as shown.
NB: Sleeve sections can be joined in various ways dependent on design.