If hitters can use an extensor action accelerating thrust...
Per 6-C-0 and my post above, Extensor Action is not an Accelerating Thrust. It is a Non-Accelerating Thrust. This is true for both Hitters and Swingers.
Per 6-C-0 and my post above, Extensor Action is not an Accelerating Thrust. It is a Non-Accelerating Thrust. This is true for both Hitters and Swingers.
Yoda,
It would be great to see you do a video short on extensor action.
It would be great to see you do a video short on extensor action.
Good idea, DG. In it I would use this winter-time drill to help students instantly understand the concept:
1. Without a Club and while wearing your long-sleeved shirt, sweater, or windbreaker, pull your Left Arm (only) out of its sleeve.
2. Grasp the end of the sleeve with your Right Hand and stretch it out. That is Extensor Action (Non-Accelerating Thrust #2 / 6-C-0-2)!
3. Now, while keeping your Head still and maintaining the stretched sleeve (Extensor Action), use your Right Arm and its bending Right Elbow to swing the Club to the Top (Right Shoulder High and On Plane). Pause and Feel the Right Triceps continuing its stretch of the lifeless (but now structured!) sleeve.
4. Finally, again while maintaining your Stationary Head and Extensor Action, execute your Downstroke, from the Top to the end of the Follow-Through (sleeve and Right Arm straight). If you use your Pivot and its Right Shoulder (Rotation inducing Body Momentum Transfer) to Accelerate the left sleeve through Impact, you are Swinging using Centrifugal Power (Accelerating Thrust #4 / 6-C-0-4). If you use your Right Arm to Accelerate the left sleeve through, you are Hitting using Muscle Power (Accelerating Thrust #1 / 6-C-0-1). In both cases, the sleeve remains stretched...by the Non-Accelerating Thrust of Extensor Action.
Good idea, DG. In it I would use this winter-time drill to help students instantly understand the concept:
1. Without a Club and while wearing your long-sleeved shirt, sweater, or windbreaker, pull your Left Arm (only) out of its sleeve.
2. Grasp the end of the sleeve with your Right Hand and stretch it out. That is Extensor Action (Non-Accelerating Thrust #2 / 6-C-0-2)!
3. Now, while keeping your Head still and maintaining the stretched sleeve (Extensor Action), use your Right Arm and its bending Right Elbow to swing the Club to the Top (Right Shoulder High and On Plane). Pause and Feel the Right Triceps continuing its stretch of the lifeless (but now structured!) sleeve.
4. Finally, again while maintaining your Stationary Head and Extensor Action, execute your Downstroke, from the Top to the end of the Follow-Through (sleeve and Right Arm straight). If you use your Pivot and its Right Shoulder (Rotation inducing Body Momentum Transfer) to Accelerate the left sleeve through Impact, you are Swinging using Centrifugal Power (Accelerating Thrust #4 / 6-C-0-4). If you use your Right Arm to Accelerate the left sleeve through, you are Hitting using Muscle Power (Accelerating Thrust #1 / 6-C-0-1). In both cases, the sleeve remains stretched...by the Non-Accelerating Thrust of Extensor Action.
so the left arm is just stretched like a sail on a sailboat and hangs on for the ride. correct?
and the extensor action does not power the backstroke, that would be the bending of right elbows job while the right forearm keeps the sail geometrically correct and constant? would that be a good way to view?
i've always kinda tried to stretch out with right forearm going up, you know kinda pushing it out out out, not really seeing this as the right elbows job. interesting.
so the left arm is just stretched like a sail on a sailboat and hangs on for the ride. correct?
and the extensor action does not power the backstroke, that would be the bending of right elbows job while the right forearm keeps the sail geometrically correct and constant? would that be a good way to view?
i've always kinda tried to stretch out with right forearm going up, you know kinda pushing it out out out, not really seeing this as the right elbows job. interesting.
That's the way it works, Powerdraw. You've got it now. Stay with it!
To all concerned: I've been doing a little research on the way muscles work a' la extensor action especially since I was wrong about YodasLuke's example of keeping a leaning man a constant distance from you with your bent right arm. In this example, the triceps muscle fibers would maintain the same length as tension develops. The force of contraction herein takes place within the fibers, but the fibers themselves do not move in relation to each other, so the overall muscle remains the same length. This type of force development by muscles is termed isometric.
If you were to let the man come closer to you but controlled his speed so he didn't crash into you, like my example of bringing a benchpressed barbell slowly back to your chest, then the triceps muscle fibers would be lengthening as they developed tension. This type of force development by a muscle is termed eccentric.
If you pushed the man away from you, your triceps muscle fibers would shorten or contract. This is the most familiar type of force development by a muscle, and it is termed concentric.
Muscles cannot develop a force concentrically, isometrically, or eccentrically at the same time. Muscles can only develop a force one way at a time, so if and when the triceps fibers shorten to move the left arm, extensor action (which supposedly does not move the left arm) can no longer be in effect. The triceps or any other muscle just isn't talented enough to develop dual or treble forces wherein the same fibers would have to independently and simultaneously contract, lengthen, and/or remain the same length.
Muscles cannot develop a force concentrically, isometrically, or eccentrically at the same time. Muscles can only develop a force one way at a time, so if and when the triceps fibers shorten to move the left arm, extensor action (which supposedly does not move the left arm) can no longer be in effect. The triceps or any other muscle just isn't talented enough to develop dual or treble forces wherein the same fibers would have to independently and simultaneously contract, lengthen, and/or remain the same length.
Coophitter
Thanks for your post, Coop. Have you tried my 'Armless Sleeve' drill posted earlier today (#86 in this thread), especially the Hitter's application? If so, I would appreciate your thoughts.