A technique tip from Fred Devos
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bamamedic
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What's kind of funny is that's how I've been doing the frog kick for the last few months, only to have my buddy scold me for not having my legs at a 90 degree angle, so I've been trying to correct it...
I definitely got more distance per kick when I let my legs extend a bit....now I feel like I'm working harder for less distance. It'll be interesting to hear what the instructor says when I take Fundies in August...
I definitely got more distance per kick when I let my legs extend a bit....now I feel like I'm working harder for less distance. It'll be interesting to hear what the instructor says when I take Fundies in August...
OP
Well, remember, Fred said people are coming out of Fundies with too much emphasis on the 90 degree knee bend!
The purpose of getting your knees bent and your fins up is to avoid silting. Silting is most critical in overhead environments. When an excellent cave instructor tells me that, if someone is in good TRIM, doing the kick this way is more effective, I listen.
The purpose of getting your knees bent and your fins up is to avoid silting. Silting is most critical in overhead environments. When an excellent cave instructor tells me that, if someone is in good TRIM, doing the kick this way is more effective, I listen.
rainman_02
Contributor
It doesn't. That's how the Fundies frog kick should look.
I've got video somewhere of AG doing this power kick...let me see if I can find it.
I've got video somewhere of AG doing this power kick...let me see if I can find it.
rainman_02
Contributor
See next post.
Last edited:
rainman_02
Contributor
Better clip here: AG Super Frog.
I went back to the raw footage and realized I had about 10 seconds of video worth posting. Forgot how fast the video editing computer was though...so I just re-cut the video now.
I went back to the raw footage and realized I had about 10 seconds of video worth posting. Forgot how fast the video editing computer was though...so I just re-cut the video now.
OP
Well, when I was looking for video that really showed this, I went to the frog kick section of AG's Essentials video . . . And it isn't there. There, he shows a frog kick where the knee angle stays almost entirely the same. This was the frog kick I was taught. Richard, if I was doing it wrong, I wish you had said something to me a long time ago . . . Surprisingly, Danny didn't say a WORD about my kick.
Anyway, the important thing is not whether I've been doing it wrong or not; the important thing is that, if you do the kick with the knee extension, it improves the power and allows you a longer glide, as well as keeping your fins lower and out of the ceiling. Also, a lot of people are coming out of Fundies with a different kick dynamic (according to Fred, who sees a lot more post-Fundies people than I do). So I might be able to save somebody a little relearning with this thread.
Anyway, the important thing is not whether I've been doing it wrong or not; the important thing is that, if you do the kick with the knee extension, it improves the power and allows you a longer glide, as well as keeping your fins lower and out of the ceiling. Also, a lot of people are coming out of Fundies with a different kick dynamic (according to Fred, who sees a lot more post-Fundies people than I do). So I might be able to save somebody a little relearning with this thread.
SparticleBrane
Contributor
The only issue I see with the video that David just posted is that, if you watch carefully, the water will be pushed down from the fintips and into the silt. It didn't look like an issue there, but in smaller/siltier environments it could present a problem.
Unfortunately I apparently have this issue myself, as I was kindly told by my cave buddies over our Thanksgiving cave trip after they apparently caught some silt to the face...:shocked2:
I need to get in the pool in all my cave gear and have someone film me so I see what the heck I'm doing. Normally my frog kick is pretty good but apparently I've regressed somewhat recently. 
Stupid college getting in the way of diving...
A long glide cycle is definitely important.
Unfortunately I apparently have this issue myself, as I was kindly told by my cave buddies over our Thanksgiving cave trip after they apparently caught some silt to the face...:shocked2:
I need to get in the pool in all my cave gear and have someone film me so I see what the heck I'm doing. Normally my frog kick is pretty good but apparently I've regressed somewhat recently. Stupid college getting in the way of diving...A long glide cycle is definitely important.
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