FIG. 1 is a front top left perspective view of a youth training apparatus, showing my new design;
FIG. 2 is a front bottom right perspective view thereof;
FIG. 3 is a front top right perspective view thereof;
FIG. 4 is a front bottom left perspective view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a right side elevation view thereof;
FIG. 10 is a left side elevation view thereof;
FIG. 11 is an enlarged view taken at rectangle 11 in FIG. 1;
FIG. 12 is an enlarged view taken at rectangle 12 in FIG. 1;
FIG. 13 is an enlarged view taken at rectangle 13 in FIG. 1;
FIG. 14 is an enlarged view taken at rectangle 14 in FIG. 1;
FIG. 15 is an enlarged view taken at rectangle 15 in FIG. 1;
FIG. 16 is an enlarged view taken at rectangle 16 in FIG. 1;
FIG. 17 is an enlarged view taken at rectangle 17 in FIG. 2;
FIG. 18 is an enlarged view taken at rectangle 18 in FIG. 2;
FIG. 19 is an enlarged view taken at rectangle 19 in FIG. 2;
FIG. 20 is an enlarged view taken at rectangle 20 in FIG. 2;
FIG. 21 is an enlarged view taken at rectangle 21 in FIG. 2; and,
FIG. 22 is an enlarged view taken at rectangle 22 in FIG. 2.
The broken lines delineating portions of the claimed design in FIGS. 1-2 that are illustrated in the enlargements of FIGS. 11-22 form no part of the claimed design.