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When I was growing up, I really 
liked playing hide-and-seek a lot.

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One time, though, I thought climbing
a tree would lead to a great hiding spot,

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but I fell and broke my arm.

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I actually started first grade
with a big cast all over my torso.

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It was taken off six weeks later,
but even then, I couldn't extend my elbow,

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and I had to do physical therapy
to flex and extend it,

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100 times per day, seven days per week.

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I barely did it, because
I found it boring and painful,

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and as a result, it took me
another six weeks to get better.

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Many years later, my mom
developed frozen shoulder,

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which leads to pain
and stiffness in the shoulder.

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The person I believed for half of my life
to have superpowers

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suddenly needed help
to get dressed or to cut food.

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She went each week to physical therapy,
but just like me,

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she barely followed the home treatment,

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and it took her
over five months to feel better.

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Both my mom and I
required physical therapy,

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a process of doing a suite
of repetitive exercises

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in order to regain the range of movement
lost due to an accident or injury.

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At first, a physical therapist
works with patients,

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but then it's up to the patients
to do their exercises at home.

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But patients find physical therapy
boring, frustrating, confusing

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and lengthy before seeing results.

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Sadly, patient noncompliance
can be as high as 70 percent.

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This means the majority of patients
don't do their exercises

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and therefore take
a lot longer to get better.

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All physical therapists agree
that special exercises

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reduce the time needed for recovery,

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but patients lack
the motivation to do them.

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So together with three friends,
all of us software geeks,

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we asked ourselves,

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wouldn't it be interesting if patients
could play their way to recovery?

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We started building MIRA,
A P.C. software platform

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that uses this Kinect device,
a motion capture camera,

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to transform traditional exercises
into video games.

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My physical therapist has already set up
a schedule for my particular therapy.

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Let's see how this looks.

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The first game asks me
to fly a bee up and down

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to gather pollen to deposit in beehives,

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all while avoiding the other bugs.

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I control the bee by doing
elbow extension and flexion,

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just like when I was seven years old
after the cast was taken off.

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When designing a game,
we speak to physical therapists at first

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to understand what movement
patients need to do.

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We then make that a video game

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to give patients simple,
motivating objectives to follow.

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But the software is very customizable,

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and physical therapists can also
create their own exercises.

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Using the software, my physical therapist

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recorded herself performing
a shoulder abduction,

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which is one of the movements
my mom had to do

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when she had frozen shoulder.

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I can follow my therapist's example
on the left side of the screen,

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while on the right, I see myself
doing the recommended movement.

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I feel more engaged and confident,

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as I'm exercising alongside my therapist

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with the exercises my therapist
thinks are best for me.

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This basically extends the application
for physical therapists

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to create whatever exercises
they think are best.

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This is an auction house game
for preventing falls,

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designed to strengthen muscles
and improve balance.

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As a patient, I need to do
sit and stand movements,

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and when I stand up,

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I bid for the items I want to buy.

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(Laughter)

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In two days, my grandmother
will be 82 years old,

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and there's a 50 percent chance
for people over 80

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to fall at least once per year,

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which could lead to a broken hip
or even worse.

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Poor muscle tone and impaired balance
are the number one cause of falls,

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so reversing these problems
through targeted exercise

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will help keep older people
like my grandmother

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safer and independent for longer.

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When my schedule ends,
MIRA briefly shows me

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how I progressed throughout my session.

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I have just shown you
three different games

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for kids, adults and seniors.

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These can be used with orthopedic
or neurologic patients,

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but we'll soon have options
for children with autism,

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mental health or speech therapy.

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My physical therapist
can go back to my profile

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and see the data gathered
during my sessions.

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She can see how much I moved,
how many points I scored,

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with what speed I moved my joints,

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and so on.

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My physical therapist can use all of this
to adapt my treatment.

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I'm so pleased this version is now in use

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in over 10 clinics
across Europe and the U.S.,

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and we're working on the home version.

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We want to enable physical therapists
to prescribe this digital treatment

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and help patients play their way
to recovery at home.

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If my mom or I had a tool like this
when we needed physical therapy,

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then we would have been more successful
following the treatment,

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and perhaps gotten better a lot sooner.

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Thank you.

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(Applause)

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Tom Rielly: So Cosmin, tell me
what hardware is this

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that they're rapidly putting away?

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What is that made of,
and how much does it cost?

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Cosmin Milhau: So it's
a Microsoft Surface Pro 3 for the demo,

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but you just need a computer
and a Kinect, which is 120 dollars.

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TR: Right, and the Kinect is the thing
that people use for their Xboxes

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to do 3D games, right?

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CM: Exactly, but you don't need the Xbox,
you only need a camera.

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TR: Right, so this is less
than a $1,000 solution.

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CM: Definitely, 400 dollars,
you can definitely use it.

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TR: So right now, you're doing
clinical trials in clinics.

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CM: Yes.

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TR: And then the hope is to get it
so it's a home version

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and I can do my exercise remotely,

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and the therapist at the clinic
can see how I'm doing and stuff like that.

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CM: Exactly.

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TR: Cool. Thanks so much.
CM: Thank you.

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(Applause)