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Related Concept Videos

Muscles that Move the Forearm01:16

Muscles that Move the Forearm

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The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators. The flexors and extensors act on the elbow joint, while the pronators and supinators act on the radioulnar joints.
Forearm Flexors
The biceps brachii, brachialis, and brachioradialis are forearm flexors. The biceps brachii is made up of two heads. Its long head originates at the supraglenoid tubercle of the scapula, whereas that of the short head is...
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Muscles of the Forearm that Move the Hand and Fingers01:16

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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
The anterior compartment muscles originate from the humerus. They primarily function as flexors and are also known as flexor muscles. They typically insert on the carpals, metacarpals, and phalanges. The superficial layer includes the flexor carpi...
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Updated: May 7, 2026

A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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Design and Development of 8-DoF Forearm Rehabilitation Device.

Achintya Harsha, Nitheezkant R, Barath Narayan

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    |March 5, 2025
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    Summary

    This study presents an inclusive 8-degree-of-freedom (DoF) robotic system for simultaneous forearm, finger, and wrist rehabilitation. The novel design aims to improve patient quality of life through cost-effective, mass-producible rehabilitation solutions.

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    Area of Science:

    • Rehabilitation Engineering
    • Robotics
    • Biomechanics

    Background:

    • Forearm function is critical for daily living activities, and impaired function significantly affects patient quality of life.
    • Existing forearm rehabilitation devices often lack the necessary degrees of freedom (DoF) or are not inclusive or cost-effective.
    • The complexity of forearm and hand movements necessitates advanced rehabilitation systems.

    Purpose of the Study:

    • To design an inclusive, 8-DoF robotic system for comprehensive forearm rehabilitation.
    • To enable simultaneous rehabilitation of the phalanges and wrist within a single device.
    • To address limitations of current devices regarding inclusivity, cost-effectiveness, and mass production.

    Main Methods:

    • Design and development of an 8-DoF robotic system for forearm, phalangeal, and wrist rehabilitation.
    • Kinematic analysis of the designed system.
    • Comparison of the system's actual kinematics with its theoretical design.

    Main Results:

    • The developed 8-DoF system successfully accommodates multiple degrees of freedom for comprehensive rehabilitation.
    • The system is designed to be inclusive, potentially reducing costs and facilitating mass production.
    • Kinematic analysis confirmed the system's motion aligns with theoretical design parameters.

    Conclusions:

    • The proposed 8-DoF robotic system offers a promising solution for inclusive and cost-effective forearm rehabilitation.
    • Simultaneous rehabilitation of phalanges and wrist is achievable with the designed system.
    • Further research and clinical validation are warranted to establish the system's efficacy in patient recovery.