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My Products and Services

March 25, 2016


You can click to find out more about each product. All purchases have refund guarantee and direct customer support, from me; not a machine. (Sorry, no soothing hold music.) After buying something, if needed you can reply to the confirmation email to ask a question. None of that annoying “Do Not Reply” or “noreply@WeDontCareAboutYou.com” stuff. Data […]

The variables and an equation to consider when starting a physical activity

October 24, 2016


A common scenario I run into with clients is once a given issue -like a hip, shoulder, knee, etc.- has calmed down and is doing well, or after a long layoff, how does one go about returning to previous, or new, activities? Running was problematic for your knee. Now the knee has calmed down and is […]

Posted in: Miscellaneous, Pain, Sports

Understanding differences in return to play in different sports, after an ACL tear

October 19, 2016


In NFL players, 63% got back on the field after anterior cruciate ligament reconstruction For wide receivers and running backs, for those who return performance is decreased by a third (getting back on the field is not the same as returning to the same level of play) In NHL players, Those who tear their ACL play an average 2.8 […]

Emptying out the mailbag & clearing the history #16

October 12, 2016


Other mailbags can be found here. Keep in mind a lot of this is email conversations, comment replies, or some random interesting things I’ve found. By their nature they are not as thorough or complete as a post on one topic. Here’s what’s covered in this installment: – There are more homeless people in San Francisco than Bangkok Yet, […]

An example of overhead pressing and more, after shoulder pain

October 7, 2016


One reason I want to share some of Jason’s story is because I’ve had enough people contact me in the vein of “Do you do anything workout oriented? Can you help when it comes to getting stronger? I have X, Y, Z going on, but also want to get in better shape.” Some are under […]

Posted in: Shoulder Pain

How much will your weight matter when going to Mars, SpaceX style?

October 3, 2016



I think space is awesome. I think going to Mars is awesome. I think it’s important to do. I’m not going to make an argument why, but you can see one here. A problem for human spaceflight is countering the negative impacts of moving in an environment where gravity is less than Earth’s. This is the […]

More evidence against wearable activity trackers

September 26, 2016


This topic has previously been covered in Some insights on fitness and health trackers- Helping? Hurting??? Looking at a new study- –Effect of Wearable Technology Combined With a Lifestyle Intervention on Long-term Weight Loss This is the best wearable tech study I’ve seen, overwhelmingly because of the two year follow up. It’s not what you lose, it’s […]

Why pull ups feel ok on your shoulder but overhead pressing doesn’t

September 19, 2016



From an email, “Firstly, thanks for making such thorough content. Keep it up! (Including the cursing) To the Point: In a person with irritable shoulders (aggravated with some versions of overhead pressing), why are lat pulls and assisted pull-ups typically pain free? Details and Thoughts you can skip if you want: As a trainer, I’ve […]

Posted in: Shoulder Pain