0 the curved upper part of the foot between the toes and the heel, or the part of a shoe or sock that fits around this -- 足背，足弓；鞋面
She explained that she didn't have the ideal body type, lacking the requisite beautifully constructed feet of high arches, high insteps and a flexible ankle.
The roundhouse kick can also be thrown from the rear leg towards the target and strike with the lower shin or the instep heel.
Depending on the type of tournament and club, competitors may also wear fist protectors, foot protectors, instep guards, helmets, or mouth guards.
The stirrup sock lacked a foot, instead having a loop (stirrup) which fits within the instep of the foot.
Shoes of this era, painted black, had an opening down the instep and were secured with straps.
Depending on the type of tournament and club, competitors may also use fist protectors, foot protectors, instep guards, helmets and mouth guards.
On the instep, the boot features a leather like feel, while on the rest of the boot, it is purely synthetic.
The usual shoe for men opened at the front, from the instep to the toe.
