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Muscles Used in Pedal Stroke

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Muscles Used in Pedal Stroke

Old 09-06-12, 11:10 AM
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Beachgrad05
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Muscles Used in Pedal Stroke

Saw this picture on Facebook and immediately thought of PhotoJoe.... I don't see "hamstring" on it.

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Old 09-06-12, 11:16 AM
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yellow at 9 o'clock or so.... definite hamstring usage.
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Old 09-06-12, 11:25 AM
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I know...just noted that they don't refer to "hamstrings" in their description of the muscles used.
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Old 09-06-12, 11:40 AM
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Originally Posted by TrojanHorse
yellow at 9 o'clock or so.... definite hamstring usage.
Originally Posted by Beachgrad05
I know...just noted that they don't refer to "hamstrings" in their description of the muscles used.
No wonder why I'm so slow!

At least half the time, anyway!
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Old 09-06-12, 12:08 PM
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I had to share....

Noticed they don't refer to any of the actual muscle groups. I guess my glutes are not sore from pedaling....
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Old 09-06-12, 12:39 PM
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Originally Posted by TrojanHorse
yellow at 9 o'clock or so.... definite hamstring usage.
The "knee Flexor" is (are?) a group of muscles that include the hamstrings...

'...or' muscles are a groupset...
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Old 09-07-12, 11:41 AM
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Define: hamstring

hamĚstring/ˈhamˌstriNG/
Noun: Any of five tendons at the back of a person's knee.
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Old 09-07-12, 11:48 AM
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Originally Posted by Nightshade
Define: hamstring

hamĚstring/ˈhamˌstriNG/
Noun: Any of five tendons at the back of a person's knee.
That is one definition. Here is another:

hamstring (hmstrng) A powerful group of muscles at the back of the thigh that arise in the hip and pelvis and insert as strong tendons behind the knee. The hamstring bends the knee and helps to straighten the hip.

I had my bicep femoris removed. That is the largest of the group of muscles that make up the hamstring muscle group. Trust me...the scar on the back of my leg would not have been necessary to remove just a tendon in the knee.
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Old 09-07-12, 01:20 PM
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That is an interesting diagram, thanks for sharing it!

Since taking up cycling again in May and logging over 500 miles, the tops of my thighs (the pink area in your diagram) are always the most sore (but it is becoming less noticeable over time). I assume that is because they are involved in the power phase (and might have been comparatively weaker than other groups when I started).

Interesting stuff, thanks!
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Old 09-07-12, 01:43 PM
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Once you start looking at muscle groups and seeing how each muscle group works to give us mobility, then you realize how amazing the body and brain really are. The brain is giving commands to these muscles and coordinating them like a symphony so that we just have fluid movements during our daily activities.

When I do yoga, I sometimes just want to activate a particular muscle and I often find it almost impossible to activate just one muscle without activating other muscles. For instance if you want to just raise your middle toe without raising the other toes it can get very complicated.

This muscle diagram was one of the pieces of information that made me want to use clipless pedals. I realized that I could pull up on the pedals using my hamstrings if I was clipped in. This allows me to let my quad muscles rest a little. I still have one main problem and that is that I only have one heart and just shifting the work load from the quads to the hamstrings still does not relieve the work load on the heart.
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Old 09-07-12, 01:50 PM
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thread reminded me of work by Eadweard James Muybridge. would be cool if he or someone else showed the muscles in detail in action
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