variations of "static hold" push-ups have been mastered, is to progress to "negative" push-ups. The term "negative" is used to describe what is technically known as an eccentric contraction. During the down phase of the push-up the chest and the triceps muscles, or primary movers, are lengthening, which describes what occurs during an eccentric contraction. There is the belief that strength is built during the eccentric, or negative phase of an
year medical students of Amrita School of Medicine, Amrita Institute of Medical Sciences were studied serially in the years 2011-14. The flexor compartment was dissected using standard procedure based on Cunninghams Dissection Manual Volume I [6]. The presence, absence and morphological variations of palmaris longus, its nerve supply and its relation to flexor retinaculum and neighbouring structures were noted. Of the forty eight limbs studied, thirty nine showed the classical textbook description
(Shier, 2007). The transversus abdominis, the internal obliques, and the external obliques, on the side of the punch, stretch to return to the starting point while the external obliques on the opposing side contract to straighten out the waist (“Core Muscle…”, 2015). The The teres minor adducts the shoulder (Delgado, 2013). The rhomboid major and minor adduct and rotate the scapula down (Delgado, 2013). The coracobrachialis and the pectoralis major flexes and adducts the shoulder (Delgado, 2013). The
remember to stabilize the body with the core muscles and create a rhythm between the underwater and above-water portions of the stroke. (Jeremi Davidson,2003 ) 1.4