Classes of Levers 1 First Class Levers the

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Classes of Levers 1. First Class Levers -the fulcrum is between the force and

Classes of Levers 1. First Class Levers -the fulcrum is between the force and the load -examples scissors, pliers, seesaw -favors speed and range-of-motion

Classes of Levers 1. First Class Levers -the fulcrum is between the force and

Classes of Levers 1. First Class Levers -the fulcrum is between the force and the load -examples scissors, pliers, seesaw -favors speed and range-of-motion -example Triceps brachii extends the forearm at the humeroulnar joint

Classes of Levers 1. First Class Levers -the fulcrum is between the force and

Classes of Levers 1. First Class Levers -the fulcrum is between the force and the load -examples scissors, pliers, seesaw -favors speed and range-of-motion humerus -example Triceps brachii extends the forearm at the humeroulnar joint radius ulna

Classes of Levers 1. First Class Levers -the fulcrum is between the force and

Classes of Levers 1. First Class Levers -the fulcrum is between the force and the load -examples scissors, pliers, seesaw -favors speed and range-of-motion humerus -example Triceps brachii extends the forearm at the humeroulnar joint radius ulna Triceps brachii

Classes of Levers 1. First Class Levers -the fulcrum is between the force and

Classes of Levers 1. First Class Levers -the fulcrum is between the force and the load -examples scissors, pliers, seesaw -favors speed and range-of-motion -or favors force

Classes of Levers 1. First Class Levers -the fulcrum is between the force and

Classes of Levers 1. First Class Levers -the fulcrum is between the force and the load -examples scissors, pliers, seesaw -favors speed and range-of-motion -or favors force

Classes of Levers 2. Second Class Levers -the load is between the force and

Classes of Levers 2. Second Class Levers -the load is between the force and the fulcrum -example wheelbarrow -favors force -example Brachioradialis flexes the forearm at the humeroulnar joint

Classes of Levers 2. Second Class Levers -the load is between the force and

Classes of Levers 2. Second Class Levers -the load is between the force and the fulcrum -example wheelbarrow -favors force -example Brachioradialis flexes the forearm at the humeroulnar joint humerus radius ulna

Classes of Levers 2. Second Class Levers -the load is between the force and

Classes of Levers 2. Second Class Levers -the load is between the force and the fulcrum -example wheelbarrow -favors force -example Brachioradialis flexes the forearm at the humeroulnar joint humerus Brachioradialis radius ulna

Classes of Levers 3. Third Class Levers -the force is between the load and

Classes of Levers 3. Third Class Levers -the force is between the load and the fulcrum -example tweezers, tennis racket, golf club -favors speed and range-of-motion -example Biceps brachii flexes the forearm at the humeroulnar joint

Classes of Levers 3. Third Class Levers -the force is between the load and

Classes of Levers 3. Third Class Levers -the force is between the load and the fulcrum -example tweezers, tennis racket, golf club -favors speed and range-of-motion -example Biceps brachii flexes the forearm at the humeroulnar joint humerus radius ulna

Classes of Levers 3. Third Class Levers -the force is between the load and

Classes of Levers 3. Third Class Levers -the force is between the load and the fulcrum -example tweezers, tennis racket, golf club -favors speed and range-of-motion -example Biceps brachii flexes the forearm at the humeroulnar joint Biceps brachii humerus radius ulna