Say you’ve just had ACL surgery. Or you’re recovering from a bad break. Or, worse, you suffer a stroke, or MS, or spinal or neurological damage. Regaining the power to walk is one of the toughest things you can do, and it may be impossible without a crutch, rail, or physical therapist to lean on.
via Pocket http://gizmodo.com/i-wore-a-bionic-leg-and-i-never-wanted-to-take-it-off-726536822
