I started a walking / jogging program about 5 weeks ago. I've been steadily progressing, walking less and jogging more, without any real problems. The last two times I've worked out I experienced a strange sensation in the back of my legs after exercise. It felt like tiny bubbles were popping all up and down the backs of my legs- especially in my thighs. It does not hurt in the least. In fact, it's actually a pleasant feeling. I stretch well before and after exercising. It is during the stretching that I notice the feeling, but I think it starts when I'm running. I'm just too busy to notice it then. Should I be concerned about this?
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