What two muscles are used to climb stairs, stand up, and walk?

The quads extend your knees when your legs straighten. The hamstrings, sartorius and gastrocnemius flex your knees. The gastrocnemius and soleus assist during plantar flexion, when you push up from a step, while the tibialis anterior is primarily responsible for dorsiflexion when your foot lands on a step.

1. entire bag, then the entire bag of calories

2. the percent of fat would be the percent of fat from the serving size, added up to the entire bag of calories

3/4. the saturated fat would be on the bag label, but im pretty sure if you take the serving size and do the math to figure it out you could find out in total the fiber, saturated fat,etc..

5. no probably not

where are the choices