Glass & Armstrong (1997) compared the 15 degrees below
horizontal decline bench press to the 30 degrees incline bench press and found no difference in pectoralis major clavicular head muscle activity.
Not exact matches
Studies have shown that the deltoids are much less involved during the
decline bench press, compared to the
horizontal bench press.
Therefore, the superior performance of the flat
bench press over the incline
bench press for the sternocostal head is probably because there is a greater
horizontal shoulder adduction moment in the flat and
decline variations, but a larger shoulder flexion moment in the incline variations.
They reported that the
bench press performed with a wide grip and a
decline bench angle produced significantly greater latissimus dorsi muscle activity than the
horizontal and incline variations performed with narrow and wide hand spacing.
Furthermore, they reported that the narrow grip
decline bench press produces significantly greater latissimus dorsi muscle activity than the
horizontal bench press.
Barnett et al. (1994) compared the barbell
bench press at a number of
bench press angles including 18 degrees below
horizontal (
decline), flat, 40 degrees incline and vertical shoulder pressing.