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Dumbbells (halteres) used in athletic games in ancient Greece; held at the National Archaeological Museum, Athens. A woman is shown exercising with dumbbells on this Roman mosaic, c. 286–305 AD. The forerunner of the dumbbell, halteres, were used in ancient Greece as lifting weights [1][2] and also as weights for the ancient Greek version of ...
Rotaxane synthesis can be carried out via a "capping," "clipping, "slipping" or "active template" mechanism. Synthesis via the capping method relies strongly upon a thermodynamically driven template effect; that is, the "thread" is held within the "macrocycle" by non-covalent interactions, for example rotaxinations with cyclodextrin macrocycles involve exploitation of the hydrophobic effect.
The barbell back squat Bodyweight squat. A squat is a strength exercise in which the trainee lowers their hips from a standing position and then stands back up. During the descent, the hip and knee joints flex while the ankle joint dorsiflexes; conversely the hip and knee joints extend and the ankle joint plantarflexes when standing up.
Bodybuilding is the practice of progressive resistance exercise to build, control, and develop one's muscles via hypertrophy. [ 1 ] An individual who engages in this activity is referred to as a bodybuilder. It is primarily undertaken for aesthetic purposes over functional ones, distinguishing it from similar activities such as powerlifting and ...
Not to be confused with Barbel (disambiguation). A barbell is a piece of exercise equipment used in weight training, bodybuilding, weightlifting, powerlifting and strongman, consisting of a long bar, usually with weights attached at each end. Barbells range in length from 1.2 metres (4 ft) to above 2.4 metres (8 ft), although bars longer than 2 ...
A barbell, dumbbells, trap bar, [3] resistance bands, parallel bars, [4] or a Smith machine [5] may be used for resistance, and overhand, inside, outside, underhand or mixed grip can be used. The barbell can be held in front of the thighs, resting on the quadriceps, or behind, resting on the hamstrings.
Front raise. The front raise exercise is used in weight training. It primarily works the anterior deltoid and the clavicular head of the pectoralis major through the use of arm abduction and flexion through the frontal plane. [1] The training volume, or number of sets and repetitions performed, depends on the lifter's training program and goals.
Supine dumbbell curl: To lay down supinely on a flat bench, with a dumbbell in each hand using the neutral grip (two palms facing each other). And hang down both arm until enough tension is imposed on the shoulder. Simultaneously raise the dumbbells while supinating the wrists until biceps are fully contracted. Then drop the dumbbells to the ...