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.
The 1951 Bowman Willie Mays, No. 305, is considered the Baseball Hall of Famer's rookie card. ( ) The Encino, Calif., home of actor and comedian Rob Schneider was broken into over the weekend, and jewelry and watches were among the items stolen. But the most valuable item taken was a Willie Mays baseball card worth $175,000. The 1951 Bowman card is the first baseball card for Mays - known in the collecting world as his rookie card - and is in mint condition, TMZ reported.