3 doctors weighed in:

What kind of exercise should a bone-thin guy do to increase leg muscles?

3 doctors weighed in
Dr. Philip Rosenblum
Family Medicine
2 doctors agree

In brief: Bike training

Bicycling is an excellent way to build your quadriceps and hamstring muscles.
You'll want to use a bike or trainer with toe clips and increase the resistance regularly. Make sure to set the seat height properly as well. Cycling is also excellent cardiovascular training.

In brief: Bike training

Bicycling is an excellent way to build your quadriceps and hamstring muscles.
You'll want to use a bike or trainer with toe clips and increase the resistance regularly. Make sure to set the seat height properly as well. Cycling is also excellent cardiovascular training.
Dr. Philip Rosenblum
Dr. Philip Rosenblum
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