Background: Muscle fatigue in a person is the exhaustion of his/her muscles. The fatigue is caused by the lack of ATP (adenosine triphosphate). As a result of the lack of ATP the myosin cross bridge can not tell the muscle to contract more than it already is. Myosin cross bridge is the head of the myosin molecule. The myosin molecule is one of the four protein molecules the make up myofilaments. Myosin is usually shaped like a gold club. The head of the myosin is attracted to the actin molecule which is located in the thin filaments. Myosin is usually located in the thick fila

1. Squeeze tennis ball rapidly for three minutes.

Conclusion: This lab to taught myself how the muscles work in a persons hand. Also that each of the muscles in the hand do a certain thing and move the hand a certain way.

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Approximate Word count = 719
Approximate Pages = 3 (250 words per page double spaced)