The knee is a class three lever.
a second class lever
It is a 2nd Class lever, and your elbow it self is the fulcrum, your forearm is the lever and the weight is where ever u put it on your hand or forearm. The fulcrum is at your elbow.
First class lever
first class lever
The knee is a class three lever.
a second class lever
a second class lever
Elbow flexion, shoulder flexion and supination of the forearm.
It is a 2nd Class lever, and your elbow it self is the fulcrum, your forearm is the lever and the weight is where ever u put it on your hand or forearm. The fulcrum is at your elbow.
Flexion and extension of the forearm.
Elbow flexion, shoulder flexion and supination of the forearm.
1st class lever, with the axis of the elbow in the center of the force generated by the triceps proximally and the resistance of the hand and forearm distally
Flexion
The anterior forearm muscle does not actually exist. Instead, there are a total of eight different muscles with the anterior compartment of the forearm. Their jobs are specifically related to flexion and pronation, or inward rotation of the hand.
Pronation of the forearm and the flexion of the elbow
Biceps Brachii is a powerful supinator of the forearm, the Supinator muscle also completes supination of the forearm particularly when the forearm is supinating in a slow and unopposed manor or if the forearm is extended.