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.
Emmitt Smith football cards, to include the Emmitt Smith rookie card is an excellent investment for any card collection. While the traditional cards can be purchased or $5 to $65 on average, the 1990 90 Score Emmitt Smith Rookie Card with a grade of 9 goes for around $275. Value of Emmitt Smith Rookie Cards.