Bicycle Crunch Joint Actions

Muscles and joint actions of the crunch back extension video transcript 1.

Bicycle crunch joint actions. Repeat until the set is complete. Spine flexion with rotation. When an exercise is considered single joint or isolation it means that it involves movement only at one joint. A compound exercise is an exercise that recruits the muscles of two or more joints in your body.

During biceps curls for example only your elbow joints are moving. A breathing muscle between the ribs are muscles known as the intercostals. Bicycle crunches are a great way to target the rectus abdominis the six pack muscles and the obliques in one easy exercise. Elbow and radioulnar joint muscles and actions 4 terms.

There are several abdominal workouts with different names and poses. They also help elevate and depress the ribs. They help form the chest wall and rotate the torso during the bicycle crunch. The joint action during the eccentric phase or down phase is spine flexion.

Crunches use the exerciser s own body weight to tone muscle and are recommended as a low cost exercise that can be performed at home. Spine flexion with rotation woks. Basically multiple muscles work in unison to perform a movement. Agonist is still the erector spinae generating force controlling the torso as it moves back to its starting position.

The crunch is one of the most popular abdominal exercises it involves the entire abs but primarily it works the rectus abdominis muscle and also works the obliques it allows both building six pack abs and tightening the belly. Muscle activation during an abdominal crunch. For optimum abdominal strengthening the american. Using only your body weight the traditional abdominal crunch can strengthen your abdominal muscles.

Bring one knee and the opposing elbow close to each other by crunching to one side and fully extend the other leg. How to do a bicycle crunch. Shoulder joint muscles and actions 8 terms. This muscle crosses the hip joint so the bicycle crunch could aggravate tight hip flexors in some people.

When you perform the crunch with proper form and a steady pace you improve all the muscles in your abdominal region. Some popular exercises are bicycle captain s chair ball crunch and leg crunch. Hip muscles and their joint actions 16 terms. However lat pulldowns require movement at the shoulders and elbows and is thus not.

Lie on your back lift your shoulders off the mat and raise both legs. This approach is effective because you can work multiple muscles. The bicycle crunch works both the rectus abdominus and obliques while most ab exercises work either one or the other.