2

votes

Forearm Bruising after Heavy Sprint Intervals

Answered on September 12, 2014
Created July 24, 2010 at 9:08 PM

Left Forearm : Two Hours after playing Ultimate Frisbee

These appear sometimes after just heavy sprints

I did not collide or lift heavy or do anything to stress my forearm besides run.

What could be causing them?

It's not fish oil

I eat grass fed lacto paleo, have very low O6 in my diet

No wheat, no legumes, minimal nuts(macadamia), limited rice(sushi)

My blood sugar, blood pressure, cholesterol are all athlete good.

I run fasted, but have found it sometimes happens when I run after eating too

It only happens when I really push, but even a 10min hard HIIT session can set it off

In addition to my wild meat/ veggie diet, I take 2000iu of vit D, and get tons of sun , I take GABA, magnesium and 5htp for sleep quality, but they are recent

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 26, 2010
at 01:29 AM

I take no chemical pills at all. No painkillers etc, gonna have to get the liver check now tho, even more paranoid because grandma passed with liver cancer... I feel hypochondriac sometimes with paleo trying to maximize and micromanage everything

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 08:24 PM

Weight loss was a good while back, don't take fish oil or E really anymore.. Just eat real wild food

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 03:28 PM

I also eat alot of egg yolks, K2... Hmm

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 03:28 PM

No, after weight loss, not during

E35e3d76547b18096a59c90029e7e107

(15613)

on July 25, 2010
at 04:48 AM

These look very similar to something I get on my shoulders after weights (and have done since years before paleo), mine look slightly less like bruises and more like cuts (or stretch marks), simply because they're thinner lines, rather than wide areas. No idea what causes them though, or whether this is the same thing.

62ed65f3596aa2f62fa1d58a0c09f8c3

(20807)

on July 25, 2010
at 04:43 AM

So you are saying it started part way into losing a bunch of weight? Congrats on weight loss BTW. I am so impressed when people succeed at something so hard!

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 03:08 AM

Hmm I eat raw fermented foods and feel comfortable with my gut bacteria, but I eat Alot of fish too...

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 03:07 AM

Lost 105 lbs via strict paleo, been seeing it on and off last 6 months at least not everytime tho

62ed65f3596aa2f62fa1d58a0c09f8c3

(20807)

on July 25, 2010
at 12:02 AM

You did not mention how long this has been going on. Has there been any changes in lifestyle or eating preceding the start of this symptom?

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5 Answers

2
6426d61a13689f8f651164b10f121d64

(11478)

on July 24, 2010
at 09:51 PM

The most likely explanation is that somehow your arm swing action while sprinting is raising your venous blood pressure enough to cause bruising. Another example of this phenomenon is when someone coughs hard it can cause bruising and/or petechiae (very small bruises) on their face and neck due to increased venous blood pressure.

I would get a few things checked to make sure it's not a health issue. Bruising can be caused either by platelet or clotting factor deficiency. So first, get a platelet count. Also, check a stool hemoccult to make sure there's no blood in your stool.

Clotting factors are made in the liver. Get your liver enzymes and bilirubin checked.

Certain clotting factors (II, VII, IX and X) depend on vitamin K1 to work. Start supplementing with vitamin K1 and see if that helps the bruising problem.

Finally, there is a common clotting factor deficiency called "von Willebrand's disease" (VWD), which is sometimes difficult to diagnose ( http://www.nhlbi.nih.gov/health/dci/Diseases/vWD/vWD_Diagnosis.html ). You may need to consult an internist or hematologist to rule in or rule out the diagnosis.

Edit, 7/25/2010: I forgot to mention, sometimes anti-inflammatory meds (NSAIDS), such as aspirin, ibuprofen (Motrin) and naproxen (Aleve) interfere with platelet function enough to cause easy bruising. So avoid these meds.

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 26, 2010
at 01:29 AM

I take no chemical pills at all. No painkillers etc, gonna have to get the liver check now tho, even more paranoid because grandma passed with liver cancer... I feel hypochondriac sometimes with paleo trying to maximize and micromanage everything

1
77877f762c40637911396daa19b53094

(78467)

on July 25, 2010
at 02:47 AM

I had this problem with defending karate punches, lots of bruises off and on and decided it was b/c I was eating too much salmon (too much blood thinning) or I was not making any K2 due to messed up gut bacteria (antibiotics). I followed Dr Ayer's ideas about rebuilding healthy gut bacteria and supplemented with K2 for a while and the problem went away.

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 03:08 AM

Hmm I eat raw fermented foods and feel comfortable with my gut bacteria, but I eat Alot of fish too...

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 03:28 PM

I also eat alot of egg yolks, K2... Hmm

0
62ed65f3596aa2f62fa1d58a0c09f8c3

(20807)

on July 26, 2010
at 05:11 AM

Seems like the most common cause of easy bruising and weak capillaries is not enough iron in the blood. Another potential cause is insufficient vitamin C. But there are probably many other less well known causes. One person I saw mentioned he bruised easy after a large amount of weight loss but didn't know why.

As for weight lifting, the weights themselves can produce bruising or close to surface capillary breakage on any place in the body that comes in contact with some surface. For instance, I often get some kind of weird red lines of capillary damage when my shoulders press against shoulder pads while doing leg lifts. My legs are apparently much stronger then the skin on top of my shoulders! If you are sitting on a bench while lifting weights with arms, this can cause bruising on any part of the lower body that touches the bench. However, beyond that, seems that heavy lifting in general can cause bruising in some people even in areas that did not come in contact with another surface.

In addition, it is said that getting old leads to easier bruising. Anyway, I would get it checked out just in case, but I have a suspicion that it's not going to be a big deal and might even be related to the weight loss. Your skin has been through a lot getting all stretched out to cover that fat and then having to snap back into smaller form when the fat was gone. You probably grew a lot of extra capillaries to feed all that fat and now that fat is gone! Some things have definitely changed in your body and you may not be totally acclimated yet. Congrats on your weight loss! YOu are probably 10 times healthier now than you once were.
-Eva

0
77877f762c40637911396daa19b53094

(78467)

on July 25, 2010
at 08:21 PM

i asked about bruising as well a while back. some people said sometimes vita e and fish oil can thin the blood to the point where you get easy bruising. another said that after a big weight loss capallaries are closer to the skin's surface and so can get bruised more easily.

4b97e3bb2ee4a9588783f5d56d687da1

(22913)

on July 25, 2010
at 08:24 PM

Weight loss was a good while back, don't take fish oil or E really anymore.. Just eat real wild food

0
7bea72ef073e8f76b5828727f1460900

(2718)

on July 24, 2010
at 09:51 PM

Are the bruises painful to the touch?

I get these too. For me, they are bruises caused by the Frisbee, and frequently I would not recall having being struck particularly hard at those spots. Sometimes it takes a few hours for me to notice the bruises after the fact.

I'm speculating here, but it may be weakened blood vessels (struck by the Frisbee, perhaps), that finally rupture due to the centrifugal force exerted on your forearms when you later do HIIT sprints.

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