The films must be placed at
specific angles against the teeth with the mouth both open and closed to get the best diagnostic shots, and an animal's instinct is to chew and swallow anything it feels on its tongue.
Andersen et al. (2015) reported joint
angle -
specific gains in strength, whereby squats with free weights produced gains in isometric strength at both 60 and 90 degrees of knee flexion, while squats
against elastic bands produced gains in isometric strength only at 60 degrees of knee flexion.