And, finally, here's something interesting:
A Soft Pneumatic Exoskeleton was developed in the Wearables Studio at ITP, NYU). Seems the work is done by Che-Wei Wang
The system is a soft and lightweight wearable pneumatic muscle suit for the lower extremities.
Pneumatic muscles are a relatively recent development in air powered actuation, lead by the Shadow Robot Company, and FESTO Corporation.
Some excellent further info here!