The extensor carpi radialis longus muscle does the following:
Extends the wrist.
Neck Extensor Stretch
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Instructions ...
Extensors: In order to work this aspect of your forearms make certain that your palms are facing downwards.
Extensors:
These are the muscles that increase the angle at a joint. For example, the quadriceps extend the knee (straighten it).
Knee extensors
Hip extensors
Coach's Technique Checklist
Correct technique is very important when using weights, if you wish to avoid injury.
The major Extensors of the wrist are the Extensor Carpi Radialis Longus and the Extensor Carpi Ulnaris. This muscle group originates on the humerous and inserts on the metacarpals of the hand. These muscles are responsible for extension of the wrist.
Trunk Lift - Trunk extensor strength, flexibility and endurance.
Push Up - Upper body strength and endurance (one of 90 degree push-up, alternates= modified pull-up and flexed arm hang)
Scoring ...
The relationship between isometric contractions of hip extensors and subsequent flexibility in males. Sports Med. Phys. Fitness 20:75-80. 1980
2) Fox, E.L. Sports Physiology. Philadelphia. Saunders. 1979
3) Cross, K.M., and T.W. Worrell.
Knee and hip joint angles and electromyographic (EMG) activity of the knee extensors were recorded.
The foot should be driven down towards the ground by the hip extensor muscles; the hamstrings and glutei muscles should be performing the majority of the work during the hip extension.
The protein tub is used to work the extensors, the small muscles that open up the hand. Now these muscles are not very strong so you can't really train them very heavy.
Tight hip flexors causes the primary hip extensors the gluteus maximus to become lengthened and weak. This is because of the agonist-antagonist relationship which means the glutes and hip flexors are opposing muscles.
Reverse wrist curls: Much like the wrist curl, the reverse wrist curl is performed in a similar fashion only with your palms facing down working your extensors.
Tibialis anterior and ankle extensor muscles: These muscles, which run along the anterior side of each shin, raise the toes and foot during the leg's forward motion (or "swing") phase.
'The abdominals and spinal extensors are key players in core training, providing support for the spine and maintaining its proper alignment.
Crunches work your abs, but for the biggest benefits, you need to work your entire core, which is made up of the four layers of the abs (rectus abdominis, external and internal obliques, and transverse abdominis), hip flexors, spine extensors, ...
Unhinging at the hips allows the body to drop down while still keeping the lower legs in an upright aspect relationship to the floor. It also brings into play the powerful hip flexors and extensors during the movement.
exercise for developing just the wrist flexor muscles of the forearm. It is therefore an isolation exercise. Ideally, it should be done in combination with the reverse wrist curl to ensure equal development of the wrist flexor and wrist extensor ...
trapezius/deltoids (traps and delts)
abdominals/spinal erectors (abs and lower-back)
left and right external obliques (sides)
quadriceps/hamstrings (quads and hams)
shins/calves
biceps/triceps
forearm flexors/extensors ...
Flexion exercises are superior to hyperextension of back. But this does not mean person should make extensors weak and lazy. This controlled pay out rope activity have to be explained by a professional on sopt.
 See also: Exercise, Extensors, Back, Extension, Strength
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