US /ˈstɪfnɪs/
・UK /stɪfnəs/
Now to keep our extremely flexible spine from buckling when lifting, all of the muscles that surround the spine work together like a guy wire system to a radio tower to create stiffness and stability.
Now, to keep our extremely flexible spine from buckling when lifting, all of the muscles that surround the spine work together like a guidewire system to a radio tower to create stiffness and stability.
So what we want to do is teach him to have a neutral spine, maybe a little bit of stiffness through his obliques.
You've got to address your sitting, standing posture, avoiding stress concentrations that lead to stiffness, pain, and then injury.
and we were able to take the stiffness-to-weight ratio up 19% over the previous generation, the SL3.
able to take the stiffness to weight ratio up 19% over the
It's particularly great for preventing stiffness in your knees and hips, which is something a lot of people experience as they age, right?
It's particularly great for preventing stiffness in your knees and hips, which is something a lot of people experience as they age, right?
So whenever we get under a barbell, we want to create a tremendous amount of tension in our upper body and lower body, create that stiffness in our core, and then stand up at the barbell.
So whenever we get under a barbell, we want to create a tremendous amount of tension in our upper body and lower body, create that stiffness in our core,
A thin piece of paper has almost no stiffness.
A thin piece of paper has almost no stiffness.
He's not overplaying the stiffness.
stiffness here's a guy who's you feel it is really needs to take over the rough
While sleeping, it measures the total stress on your vascular system by understanding your blood volume and vessel stiffness.
While sleeping, it measures the total stress on your vascular system by understanding your blood volume and vessel stiffness.
Stress and repressed emotions can manifest as physical pain, such as tension, headaches, muscle stiffness, or stomach discomfort.
Stress and repressed emotions can manifest as physical pain, such as tension headaches, muscle stiffness, or stomach discomfort.
Stress and repressed emotions can manifest as physical pain, such as tension headaches, muscle stiffness, or stomach discomfort.
Without any clear physical cause, stress and repressed emotions can manifest as physical pain such as tension headaches, muscle stiffness or stomach discomfort.