Apollo Athletics 1-Piece Rubber Coated Solid Cast Iron Dumbbell with C

Apollo Athletics 1-Piece Rubber Coated Solid Cast Iron Dumbbell with Contoured Chrome Handle, Hexagon Head,

$43.95 $123.60

The HDRS series are safe, attractive dumbbells with chromed contoured, knurled handles, and durable rubber-covered heads for increased safety and comfort.
The heads are threaded and permanently attached to a solid steel shaft.The dumbbell, is a type of free weight, which is a piece of equipment used in weight training. It can be used individually or in pairs, with one in each hand. Dumbbells are often used for joint-isolation exercises such as biceps curls, chest flies or shoulder raises.
Using dumbbells for full-body, multiplanar movements, however, can provide a variety of different strength outcomes.
It also offers many benefits for cardiorespiratory fitness and flexibility.Dumbbells can provide the two types of overload that lead to muscle growth: mechanic and metabolic.
Mechanic overload is the result of damaged caused by muscle contractions, which stimulates the repair process and leads to an increase in muscle size.
Metabolic overload occurs when a muscle is worked to fatigue, which leads to the adaptation of muscle cells being able to store more glycogen which can cause muscles to increase in size.
Heavy dumbbells can generate mechanical overload, while moderate-weight dumbbells combined with high reps (to fatigue) can produce metabolic overload.

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