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.
1954 Topps Hank Aaron Rookie Card- The 1954 Topps version is no doubt his best baseball card ever made. The Hank Aaron rookie card sells for around $3,500 in NM-MT 8 condition. Cards in better condition are almost impossible to find. A Gem MT 10 version sold for $175,000 in a recent auction.