What type of muscle strength is indicated by a grade of 2 out of 5 in a manual muscle test?

Study for the Registered Kinesiologist Test. Boost your confidence with flashcards and multiple-choice questions, each question accompanied by hints and explanations. Get exam-ready now!

Multiple Choice

What type of muscle strength is indicated by a grade of 2 out of 5 in a manual muscle test?

A grade of 2 out of 5 in a manual muscle test signifies that the muscle can achieve a full range of motion, but only when gravity is eliminated. This means that the individual can move the limb through its complete range in a horizontal plane, which demonstrates that the muscle has enough strength to overcome the weight of the limb itself without the added resistance of gravity. In this context, the key aspect of the grade is that it reflects a limit in muscle strength when resisting gravity—suggesting that while the muscle shows signs of contraction and movement is possible, it is not strong enough to hold or move against gravitational forces. This differentiates it from higher grades, where muscles can either sustain movement against gravity or demonstrate partial functionality when tested in a different position. The ability to perform full range motion without gravity is therefore correctly represented by this grade.

A grade of 2 out of 5 in a manual muscle test signifies that the muscle can achieve a full range of motion, but only when gravity is eliminated. This means that the individual can move the limb through its complete range in a horizontal plane, which demonstrates that the muscle has enough strength to overcome the weight of the limb itself without the added resistance of gravity.

In this context, the key aspect of the grade is that it reflects a limit in muscle strength when resisting gravity—suggesting that while the muscle shows signs of contraction and movement is possible, it is not strong enough to hold or move against gravitational forces. This differentiates it from higher grades, where muscles can either sustain movement against gravity or demonstrate partial functionality when tested in a different position. The ability to perform full range motion without gravity is therefore correctly represented by this grade.

More practice questions