Strength, Masters Athletes and Finger length ratios.

Masters Athletes are markedly different than other athletes. Loss of muscle mass may begin as early as the Mid-20s. And the rate of loss increases once a person passes the age of 60 or 65. Good news is that resistance training and exercise increase muscle anabolic response. Even for older people. Muscle maintenance or increase in muscle mass may be aided by additional protein intake. Especially in Masters athletes and older people in general.

Masters Athletes and Finger length ratios.

Masters Athletes. As with most things, people vary.  People may be more or less likely to lose strength and muscle mass as they age. One of the factors that may be important is the amount of androgens (testosterone) an individual was exposed to before birth (Halil et al. 2013). There is not much that can be done about this now. Other than to keep working out and eating well.  But it might help to know if you needed to keep more of an eye out. And take steps to protect yourself by maintaining strength and fitness. There are plenty of Masters athletes, CrossFit and otherwise, out there. We will be keeping an eye out for masters athletes during the upcoming CrossFit Games. Hopefully someone is collecting all that data.

How to tell if you are likely to lose strength or stay strong.

The ratio of the index finger to the ring finger is used as a marker for pre-natal androgen exposure. (that’s androgens, such as testosterone, before birth). The longer your index finger is than your ringer finger = the more testosterone your were exposed to before birth. New research indicates the longer your ring finger is in proportion to your index finger the stronger you are likely to be in old age. A longer ring finger is also associated with better math skills and higher risk of autism. Ratio of these fingers is also associated with bunch of other interesting things. People with longer ring fingers are more likely to be varsity athletes in college and are more likely to find success in sumo wrestling (Tamiya et al. 2012).

CrossFit workouts for people with long index fingers

If you have relatively long index fingers, don’t panic. There’s no point worrying about something you can’t change. But you can continue to do CrossFit workouts. And keep weight lifting. And being active. Resistance exercise is probably the best thing you can do.

 

Giffin NA, Kennedy RM, Jones ME, & Barber CA (2012). Varsity athletes have lower 2D:4D ratios than other university students. Journal of sports sciences, 30 (2), 135-8 PMID: 22132823

Halil M, Gurel EI, Kuyumcu ME, Karaismailoglu S, Yesil Y, Ozturk ZA, Yavuz BB, Cankurtaran M, & Ariogul S (2013). Digit (2D:4D) ratio is associated with muscle mass (MM) and strength (MS) in older adults: possible effect of in utero androgen exposure. Archives of gerontology and geriatrics, 56 (2), 358-63 PMID: 23219021

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