Modified Jackknife Sit-Up

comments : 0

Modified Jackknife Sit-Up exercise instruction with picture and video.

Get Flash to see this player.

Video Problems?

Modified Jackknife Sit-Up
Main Muscle: Abdominals
Mechanics Type: Compound
 
Lie flat down on the floor with your arms beside your hips and your legs straight together. Using your abdominal muscles, simultaneously lift your arms horizontal to the floor as the legs and back lift off the floor. Pull the thighs toward the chest. Your knees should be at a 90-degree angle and your arms should be even with the lower part of your leg. Slowly lower, and straighten the body, until your arms and legs return to starting position. Focus on proper breathing and do not hold your breath. Do not swing the arms and legs and keep your body tight. Do not bend the arms. Keep the neck relaxed as much as possible.

Start/Finish:                                          Mid-Rep:

 

Article Downloads
Modified Jackknife Sit-Up (194 downloads)

Rating

Click on star to vote
26749 Total Views  |  98 Views last 30 days  |  28 Views last 7 days
date: March 20, 2007