Sentences with phrase «jack knife straight»

What most of us tend to do is just lay straight back down and jack knife straight on up to sit up from laying down.

Not exact matches

The straight - leg sit up and swiss ball jack knife displayed greater external oblique muscle activity than the back squat and overhead squat.

Aspe et al. (2014) compared a number of isolation exercises including the sit - up, side plank, swiss - ball jack knife, and straight leg sit - up.

Konrad et al. (2001) compared a number of gymnastic exercises and found that the horizontal straight leg anchored side bend displayed the highest external oblique muscle activity, followed by the reverse curl up Escamilla et al. (2006) compared the power wheel roll out (power wheel in hands), jack knife and knee - tuck (power wheel attached to feet), the ab sling bent - leg hanging leg raise, the flat and decline reverse curl up, the anchored bent leg sit up, and bent leg curl up.

Comparing compound exercises and trunk flexion exercises, Aspe et al. (2014) explored rectus abdominis muscle activity in a number of exercises including the front and overhead squat performed with 90 % of 3RM, as well as the swiss ball jack knife and straight - leg sit up.