But he said it had been found in a separate study of twins that finger length was largely inherited, possibly explaining why sporting parents often have sporting children.

• 但是,他说,对双胞胎所做的另一个研究表明,手指长度主要受遗传因素影响,这可以解释为什么运动能力强的父母生的孩子运动能力也较强。