contractile unit of muscles
a muscle cell
point of actin attachment in a sarcomere
a long filamentous organelle found within muscle cells that has a banded appearance.
Thick contractile proteins of muscles
cordlike extension of connective tissue beyond muscle, serving to attach it to the bone
a bundle of muscle cells
thin contractile proteins of muscle
what muscle is an extensor?
what muscle is a flexor?
what is the insertion of the bicep?
what is the origin of the bicep?
muscle contractions when lifting heavy objects versus a light weight object
you are still using the same muscles just less less muscle fibers when carring something light.
How does the nervous system make sure muscles are not getting over worked?
we have a lot of muscles some relax while others work and vice versa.