Differentiate among the types of muscle contractions. 1  Isotonic contractions generate force by changing the length of the muscle and can be concentric contractions or eccentric contractions.  A concentric contraction causes muscles to shorten, thereby generating force.
A 1993 Upper Deck Derek Jeter Rookie card number 449 has a book value of about $15.00 in near/mint -mint condition. Professionally graded cards will sell for more. Condition is important. Common flaws with baseball cards include: rounded edges, creases, off centered, and faded color.
For long-time baseball card collectors, there are several iconic rookie cards that were released in the 1980s. Today, some of those hold up better in our memories than they do in value. Jose Canseco comes to mind. At one point, his 1986 Donruss rookie card was the king of the modern hobby. But then a ball bounced off his head, his career floundered and he became the mouthpiece of the steroid era. At their peak, 1986 Donruss Jose Canseco rookie cards were selling for more than $100.