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An improved exercise apparatus including a resistance training assembly coupled within an exercising shoe. The exercise shoe has a durable heel portion including a hollow placement slot having a contoured interior cavity for accepting the resistance training assembly. The interior cavity includes a

An improved exercise apparatus including a resistance training assembly coupled within an exercising shoe. The exercise shoe has a durable heel portion including a hollow placement slot having a contoured interior cavity for accepting the resistance training assembly. The interior cavity includes an upper and lower surface each having a pin hole. The assembly includes a detachable handle, a retractable wheel coil having a durable locking center pin, a retractable mechanism, and a locking mechanism. A segment of strap material, namely a resistance band, has a first end removably coupled to the locking center pin, and a second end removably coupled to a detachable handle. The detachable handle has a hollow interior grip portion. A cover removably fastens over the detachable handle and the hollow placement slot.

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What is claimed is: 1. An improved exercise apparatus, comprising: an exercising shoe having a foot portion, a sole, an inner side and outer side, wherein the sole including a forefoot portion, an arch portion, and a durable heel portion, wherein said durable heel portion includes a hollow placemen

What is claimed is: 1. An improved exercise apparatus, comprising: an exercising shoe having a foot portion, a sole, an inner side and outer side, wherein the sole including a forefoot portion, an arch portion, and a durable heel portion, wherein said durable heel portion includes a hollow placement slot having a contoured interior cavity having a diameter, an upper and lower surface, and at least one opening, wherein said upper and lower surfaces each having a vertical, pin hole, wherein said pin holes are positionable along common axis; an resistance training assembly removably coupled within said interior cavity of said hollow placement slot of said exercising shoe, said assembly comprising; and a retractable wheel coil having a diameter smaller than said diameter of said interior cavity of said placement slot for being insertable horizontally into said placement slot and having a durable locking center pin including a top end and a bottom end, wherein at least one end is spring loaded, wherein said locking center pin includes a vertical axis for rotating said wheel coil therearound in a clockwise orientation, wherein said top end of said locking center pin is removably secured into said pin hole of said upper surface of said placement slot, and wherein said bottom end of said locking center pin is removably secured within said pin hole of said lower surface of said placement slot, wherein said wheel coil having a resting position and a working position, and a retractable mechanism and a locking mechanism, wherein said retractable mechanism is a spring loaded mechanism actuated during said working position for enabling said wheel coil to provide resistance, wherein said locking mechanism stops said retracting mechanism and prevents said strap material from coiling around said locking center pin; a segment of strap material including a first end, a medial portion and a second end, wherein said first end is removably coupled to said locking center pin, said medial portion is coiled around said locking pin; a detachable handle substantially rectangular and having a hollow interior grip portion having a plurality of gripping indentations, wherein said second end of said strap material is removably coupled to said detachable handle; and a substantially rectangular removable cover for covering said detachable handle and said hollow placement slot, wherein said cover locks into said hollow interior grip portion of said detachable handle. 2. The improved exercise apparatus of claim 1, wherein the resistance training assembly is interchangeably connected within the shoe. 3. The improved exercise apparatus of claim 1, wherein the segment of strap material is a flat elastic resistance band. 4. The improved exercise apparatus of claim 1, wherein the segment of strap material is interchangeable. 5. The improved exercise apparatus of claim 1, wherein said pin holes are positionable along a common axis and hollow cavity extends entirely through the sole of the shoe from the inner side to the outer side. 6. The improved exercise apparatus of claim 1, further comprising a button positionable along the outer side of the shoe, and being in connection and communication with the locking center pin for actuating the locking mechanism or the retracting mechanism. 7. The improved exercise apparatus of claim 1, wherein the opening includes a mounting structure having a recessed edge for securing the detachable handle thereto. 8. A method of resistance training using the improved exercise apparatus of claim 1, the steps comprising: detaching the handle from the mounting structure; pulling the strap material outwardly from the placement slot of the shoe by the detachable handle; raising the segment of strap material to a predetermined height by uncoiling the strap material by pressing the button once and pulling the strap material; and exercising using resistance training from the strap material. 9. The method of resistance training of claim 8, the steps further comprising actuating the locking mechanism to lock the wheel coil and lock the strap material to a predetermined length by pressing the button again. 10. The method of resistance training of claim 9, the steps further comprising actuating the retracting mechanism to recoil the strap material within the placement slot by pressing and holding the button. 11. The method of resistance training of claim 8, the steps further comprising removing the detachable handle and removing and interchanging the segment of strap material. 12. The method of resistance training of claim 8, the steps further comprising removing and interchanging the wheel coil. 13. An improved exercise apparatus, comprising: an exercising shoe having a foot portion, a sole, an inner side and outer side, wherein the sole including a forefoot portion, an arch portion, and a durable heel portion, wherein said durable heel portion includes a hollow placement slot having a contoured interior cavity having a diameter, an upper and lower surface, and at least one opening, wherein said opening includes a mounting structure having a recessed edge, wherein said upper and lower surfaces each having a vertical pin hole, wherein said pin holes are positionable along common axis; an interchangeable resistance training assembly removably coupled within said interior cavity of said hollow placement slot of said exercising shoe, said assembly comprising: and a retractable wheel coil having a diameter smaller than said diameter of said interior cavity of said placement slot for being insertable horizontally into said placement slot and having a durable locking center pin including a top end and a bottom end, wherein at least one end is spring loaded, wherein said locking center pin includes a vertical axis for rotating said wheel coil therearound in a clockwise orientation, wherein said top end of said locking center pin is removably secured into said pin hole of said upper surface of said placement slot, and wherein said bottom end of said locking center pin is removably secured within said pin hole of said lower surface of said placement slot, wherein said wheel coil having a resting position and a working position, and a retractable mechanism and a locking mechanism, wherein said retractable mechanism is a spring loaded mechanism actuated during said working position for enabling said wheel coil to provide resistance, wherein said locking mechanism stops said retracting mechanism and prevents said strap material from coiling around said locking center pin; an interchangeable segment of strap material substantially a flat elastic resistance band including a first end, a medial portion and a second end, wherein said first end is integrally coupled to said locking center pin, said medial portion is coiled around said locking pin; a detachable handle substantially rectangular and having a hollow interior grip portion having a plurality of gripping indentations, wherein said second end of said strap material is removably coupled to said detachable handle and wherein said detachable handle is securable to said recessed edge of said mounting structure; a substantially rectangular removable cover for covering said detachable handle and said hollow placement slot, wherein said cover locks into said hollow interior grip portion of said detachable handle when said detachable handle is secured to said mounting structure. 14. The improved exercise apparatus of claim 13, wherein said pin holes are positionable along a common axis and hollow cavity extends entirely through the sole of the shoe from the inner side to the outer side. 15. The improved exercise apparatus of claim 13, further comprising a button positionable along the outer side of the shoe, and being in connection and communication with the locking center pin for actuating the locking mechanism or the retracting mechanism.