Regardless of type, all levers follow the same basic principle: effort farther than load from fulcrum = mechanical advantage; effort nearer than load to fulcrum = mechanical disadvantage. read more
erg = work Synergists help prime movers by 1) adding a little extra force to the same movement or 2) reducing undesirable or unnessary movements that might occur as the prime mover contracts. read more
The fascicles are short and attach obliquely to a central tendon that runs the length of a muscle. read more