Why does my neuroma pop or click after I run?

I just got off a telemedicine call with a runner who wanted to know why she sometimes feel popping and clicking in the ball of the foot after she runs.

She saw a doctor and was diagnosed with a Morton's neuroma. 

The doctor gave her some metatarsal pads, which made the neuroma feel better. 

But she could not figure out why she seemed to only get this weird popping and clicking sensation after she went for long runs and hill repeats.

Today on the Doc On The Run podcast we're talking about why a neuroma might pop or click after you run.