Animate the arms:
Now that the legs are set to bend, you'll rotate the arms and lock the upper
body. As Dr. X dips down, his arms are going to swing forward, then back out
to his sides as he rises. You'll also set two keys to lock the upper body to keep
Dr. X facing forward.
1 Press the H key and choose DrX Biped L UpperArm.2 From the Track Selection rollout, click the Symmetrical button to
select the opposite upper arm.3 Move the time slider to frame 0.4 On the Key Info rollout, click Set Key.
This sets a key for the arms in their outstretched position.WARNINGBe sure to use the Set Key button on the Key Info rollout, not
the Set Key text button under Auto Key.5 On the Copy/Paste rollout, click Copy Posture. Name the posture
Arms Out.6 Move the time slider to frame 15.7 Turn on Auto Key.8 In the Top viewport, rotate the arms about –75 degrees around the
Z-axis.
Look at the Z-field in the Coordinate display Z-field when rotating the
arms. A key is added, and Dr. X's arms are in the forward position.TIPSometimes the arms will rotate in parallel, instead of in opposite
directions. If this happens to you, select and rotate each arm individually.Animating the Biped with Freeform Animation | 689