exercise form
Effect of Hand and Shoulder Position On Elbow Flexor Involvement During Curling and Pulling Exercises
This morning during a phone conversation with Greg Anderson the subject of the previous post on the effect of hand position on triceps involvement came up.. Greg mentioned, and I agree, hand position makes little difference to arm flexor involvement during curling and pulling movements as well.
Articles on arm training in bodybuilding magazines and web sites often make claims of different hand or shoulder positions or grip width having the effect of isolating or emphasizing one head of the biceps or a particular arm flexor (i.e. incline curls to target the long head of the biceps, hammer curls to target the brachioradialus, reverse grip curls to target the brachialis, etc.). While there is some truth to this - changes in hand or shoulder position affect the relative length and thus the ability of some of the elbow flexors to produce force - the effect on muscular development is greatly exaggerated. › Continue reading
Q&A: Neck and Head Pain During Barbell Squats
The previous workout when performing squats I was close to failure when i started to get a intense pain in my neck and the back of my head ( I had this again last night during squats). My training partner believes my head and neck position is too far back causing me to tense my upper back and neck very hard on the eccentric part of the squat causing pain where the neck tendons attach to the skull. Has any of your clients had this problem? What do you recommend?
Hyperextending the neck is a common fault during barbell squats and may be a large part of the reason you are feeling the pain in your neck. As you descend and the hip angle decreases, if you continue to look straight ahead your neck will extend significantly by the time you reach the bottom position. The head and neck should remain in a neutral position relative to the body throughout the exercise. The chin should be just slightly down. Imagine you are holding a tennis ball between your chin and sternum, and maintain that position.
The bar may also be positioned too high. During barbell squats, the bar should be positioned just over the spines of the scapulae, on the lower traps and rear delts, and not higher on the traps on the back of the neck. When the bar is placed high on the traps, it tends to place a lot of pressure on the spinous processes of the seventh cervical or first thoracic vertabrae, which can cause serious damage over time. While the higher bar position may place more of the load on the quadriceps, since a lower bar position will allow a greater load to be used overall, in the long run it should result in better overall thigh development.
In short, keep your head in a neutral position, the bar on the lower part of the traps/back of the rear deltoids just above the spines of the scapulae, and you should no longer feel any pain in your neck during squats.
Effect of Hand Position on Tricep Involvement During Extension and Pressing Exercises
I recently read an article on a bodybuilding web site about arm training that recommended performing various tricep exercises using both underhand and overhand grips. While different hand positions will have an effect on the involvement of the muscles in the forearms due to differences in the demand on grip and wrist stabilization, they will have no significant effect on triceps involvement.
Hand pronation and supination are accomplished by rotation of the radius at the elbow, crossing over the ulna during pronation and returning to a position parallel to the ulna during supination. The triceps, which extend the elbow by pulling on the olecranon process of the ulna, are not affected by this. › Continue reading