Daniel Roy Greenfeld

Daniel Roy Greenfeld

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Posts tagged with "martial arts" (34)

TIL: Reverse Square Knot

Useful for martial arts with belts, a "reverse square knot," also known as a right square knot or reverse reef knot, is essentially a square knot tied in the opposite order. Instead of the first working cord going over the other cords, it goes under them first.

My 2024 Fitness Journey

Recovery from injury then moving upwards and onwards.

Notes on takedowns

Tricks and tips for takedowns and defenses as provided by Mohammed Yusuf.

Starting Brazilian Jiu-Jitsu

A guide to getting started in Brazilian Jiu-Jitsu for ages 5 to 100.

BJJ Training Tips

I started Brazilian Jiu-Jitsu up again in early November 2022. Against most other white belts I usually can't be submitted and have landed a few submissions of my own. I'm not big or strong so I use these rules given by my coaches.

My 2023 Fitness Journey

At the start of the year I had started to get back into shape. This article documents what I'm doing and how well it has gone.

2011 Resolution Summary


Recap of 2010


2010 Resolution Summary


Rainbows on the prairie


Moving away from DC


Resolutions for 2010


New Year's Python meme


2009 resolution summary


Recap of 2009


Report on the belt test


Taking the test tomorrow!


Belt test update


Belt test this Friday!


Still sick


Training Schedule


My current training schedule


Recap of 2008


2009 Saturday class schedule is formally confirmed!


Training notes


My saturday class plans for 2009


Second place in my second tournament


Why I'm not competing in sparring right now


The first effort I made in a TKD competition


Weekend competition information for me


Fitness update


Taught my son yesterday


Barack Obama versus John McCain


My students take the big test


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