Average Salary. Welders in the United States made an average annual salary of $37,920, according to the BLS. The middle 50 percent earned between $29,370 and $44,410 per year. The lowest 10 percent made less than $24,490. Pipefitters earned an average yearly salary of $51,830.
Calf Muscles. The muscles of your calves, the soleus and gastrocnemius, are both involved in sprinting. The gastrocnemius is the larger of the two muscles and assists in bending your knee.Additionally, the gastrocnemius as well as the soleus act to produce plantarflexion, which causes your foot to point away from your body.alf Muscles. The muscles of your calves, the soleus and gastrocnemius, are both involved in sprinting. The gastrocnemius is the larger of the two muscles and assists in bending your knee.
These muscles are vital to sprinting more than regular running, because the muscles of the calves control foot flexion when running. Sprinters should be prepared to spring off the next foot during each stride before impact to minimize time on the ground. Strong, elastic calves support the additional speed of a sprint.he quadriceps are the muscles at the front of the thighs. These muscles raise the leg and propel the runner forward. Muscles throughout your body work in coordinating pairs.