Treadmill with front and rear inclination adjustment unit

A treadmill with front and rear inclination adjustment unit, comprising a base seat, a tread platform and an inclination adjustment unit, wherein:

• the base seat has two support arms respectively upward extending from two sides of the base seat, a front end of the tread platform being mounted between the two support arms of the base seat, the tread platform being looped by a tread belt, a bottom of rear end of the tread platform being pivotally connected with one end of a caster rack with which the inclination adjustment unit is pivotally connected;
• and
• the inclination adjustment unit has two symmetrical ascending/descending members and a telescopic rod, each ascending/descending member having a first end and a second end, the first ends of the ascending/descending members being respectively pivotally connected with inner sides of bottom ends of the support arms, the second ends of the ascending/descending members being respectively pivotally connected with two sides of front end of the tread platform, the first ends being positioned in front of the second ends, a transverse beam being fixedly connected between middle sections of the ascending/descending members, one end of the telescopic rod being pivotally connected with the transverse beam, the other end of the telescopic rod being pivotally connected with the caster rack under the bottom of the rear end of the tread platform.