a female social worker friend of mine wants me to train her and 2 of her co workers ( females also ) , i told her id get back to her that i was gonna get my game plan together on how i would execute sessions with them.
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To answer your question, I must ask: train them in what? and special treatment in what regard?
Women have different builds than men. Their body mass is distributed differently and their musculature is different. Women have a lower center of gravity, generally their strength is more lower body while men are more upper body. Women are generally not as tall or as heavy as men.
So depending on what skill set you are training them in, those physiological differences can be an advantage, a challenge, or neither.
Generally, a lady's build gives her an advantage in throwing arts due to the lower center of gravity. Also, I have found that with man and a woman with the same level of conditioning and the same rough height, the lady has stronger kicks and the gent generally has stronger punches. In WTF taekwondo sparring, that is an advantage. In western boxing, not so much.
Having said that, I've seen guys who kick like mules and cannot punch through a time card and women who cannot kick above their ankles but punch like they have a pair of sledgehammers for hands.
A lot also depends on the person's previous athletic experience. A lady who is in good physical shape, who exercises regularly will be in a different place than a lady who does not. Same with guys, but you are asking about training women.
Rather than concerning yourself with special treatment for gender, look at the complete picture of your student's attributes. Their gender is less important than their overall conditioning. If the students are winded just walking from the car to dojo, you need to address that in your training regimen regardless of their gender. If your students are all blackbelts from a sport TKD school and can do vertical side kicks but no practical SD, then you'll want to focus on SD.
With any student, regardless of gender, they need to be trained to take into account their body type and inherent strengths and weaknesses, as everyone has both.
If you are doing belt tests, gear the tests towards proficiency in the technique, not according to gender, age, or any other factor.
Best wishes to you and your students.
Daniel