Greifkraft

Greifkraft, or grip strength, denotes the maximum force that the hand can exert when squeezing or grasping an object. It is commonly measured with a hand dynamometer and is influenced by the strength of the forearm flexor muscles, hand anatomy, and neural control. Grip can be categorized into power grip (a full-hand grasp around an object) and precision grip (fingers and thumb handling small items). In clinical and research settings, results are usually reported in newtons or kilograms of force and are obtained from multiple trials with each hand, typically with the elbow supported and the forearm in a neutral position.

Greifkraft is used in biomechanics, rehabilitation, sports science, and occupational health to assess functional status, monitor recovery after injury, or screen for neuromuscular conditions. Normative data vary by age, sex, and population, and the dominant hand is often stronger. Age-related decline is common, and reduced grip strength can be associated with arthritis, peripheral neuropathy, or nerve injuries. Training that targets forearm flexors and grip-related tasks can increase grip strength. However, grip strength is only one aspect of hand function and should be considered alongside other measures such as dexterity, coordination, and pain.