Top jump trainer. Innstar Vertical Jump Trainer. What you need to know: This is a lightweight, durable jump trainer with a waistband that adjusts from 27.5 to 38.5 inches.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content. WFLA.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content KELOLAND.com ...

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content WPRI.com ...

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content. WATE 6 On Your Side.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content. FOX31 Denver.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content. WKRN News 2.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content. KXAN Austin.

A jump trainer is a great way to switch up your lower-body workouts to isolate specific leg muscles, which can help increase your overall strength. Skip to content. WANE 15.