| drill(verb, develop, improve, stretch, train) |
| dry run(verb, expression, develop, improve, stretch) |
| exert(verb, develop, improve, stretch, train) |
| foster(verb, develop, improve, stretch, train) |
| groom(verb, develop, improve, stretch, train) |
| habituate(verb, develop, improve, stretch, train) |
| hone(verb, develop, improve, stretch, train) |
| improve(verb, develop, stretch, train) |
| inure(verb, develop, improve, stretch, train) |
| labor(verb, develop, improve, stretch, train) |
| lick into shape(verb, expression, idiom, develop, improve) |
| limber up(verb, expression, develop, improve, stretch) |
| loosen |
| loosen up(verb, expression, develop, improve, stretch) |
| maneuver(verb, develop, improve, stretch, train) |
| peel |
| pieces |
| ply(verb, develop, improve, stretch, train) |
| practice(verb, develop, improve, stretch, train) |
| pump iron(verb, expression, develop, improve, stretch) |