research refer to , that the time between the age of 13 to 14 years are the best years to build muscle strength and speed between the ages of 14 to 15 years to build muscle strength and speed after the age of 15 years less than the other jump start.

The pace of the development of the muscles between the ages of less than 1718 years and then start another stage between the ages of 20 and 30 years, which represents the maximum muscle strength for this period of time and then begin the pace of decline in muscle strength.

Other experiments with children showed that from 10 to 11 years as well as from the year 13-14 represents the maximum growth process of muscle power with respect to movements of flexion and extension (bending at 31 kg and 64.5 kg when the extension). The optimal use of the effort appears to have been one of the important things to increase the viability of the body motor. This can be accessed via the re-iteration continuously and increasingly limit access to the performance of the movement only once.

http://orthoinfo.aaos.org/topic.cfm?topic=a00127

http://jap.physiology.org/content/46/3/451

Dear Perparim, you may want to try these papers for help:

1. Maximal Isometric Muscle Strength: Normative Values and Gender-Specific Relation to Age

http://link.springer.com/article/10.1007%2Fs100670050026#close

2. Combined effects of age and maturation on maximum isometric leg press strength in young basketball players.

http://www.ncbi.nlm.nih.gov/pubmed/15758851

3. Strength Training in Children and Adolescents

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3445252/

4. Age-Related Changes in Maximal Hip Strength and Movement Speed

http://biomedgerontology.oxfordjournals.org/content/59/3/M286.full

5. Voluntary activation during maximal contraction with advancing age: a brief review

http://link.springer.com/article/10.1007/s00421-006-0205-x

6. Maximum Voluntary Activation in Nonfatigued and Fatigued Muscle of Young and Elderly Individuals

http://ptjournal.apta.org/content/81/5/1102.short

7. Lifestyle factors and the development of bone mass and bone strength in young women

http://www.jpeds.com/article/S0022-3476(04)00216-1/abstract

8. The effect of ageing and strength training on skeletal muscle

http://www.sciencedirect.com/science/article/pii/S0004951414605468

Citations used in the papers do help sometimes.

Aamir

Dear perparim

you can see  the book paediatric exercise physiology by neil armstrong chapter 3

If your question refers to adult population, as far as I know there is no article available showing that there is an optimal age in adulthood for maximal strength development. This is indeed a complex question as the ability to generate a maximal strength relies on an optimal training process and the studies related this question are rather scarce. Furthermore most of the studies are based on short training periods.

Conducting a longitudinal study on the optimal training (and thus optimal age) duration would be very challenging.

Regards

Vincent

Thank you all for your answers. All your sources help.  In Olympic Weightlifting, according to a survey of Canadian Weightlifting Federation, the age for men was 24.6 years and for women 23.1 ( Only for olympic medalists).