While performing a hanging leg raise one of the intended actions of the primary muscle, the iliopsoas, is to flex the thigh and the trunk during the exercise. Other primary muscles include the rectus femoris, tensor fascia lata, and adductors.
trunk flexion
trunk flexion lateral trunk flexion
nothing
shoulder flexion shoulder adduction shoulder horizontal extension
Trunk flexion & unilateral trunk flexion.
The primary muscle intended for exercise.
it works your abs
it works your abs
The Agonist muscle. In contrast, the muscle group that has passive action(the muscle being stretched) is called the antagonis muscle. For example, when doing a bicep curl. Your biceps are the agonists and your triceps would be the antagonists.
The primary mover.
The occipitalis muscle pulls the scalp back, and to some extent can wiggle the ears. It creates a look of startle or surprise on the face. It can be involved in headaches by staying tense for too long.
Elevation of the humerus and slight medial roataion of the shoulder. The anterior deltiod is a semi-weak muscle.
legs extended = lower abs bias legs tucked in = upper abs bias so abs in general