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ESS 303 – Biomechanics Elbow & Wrist. Anterior View.

Published byVirgil Hudson Modified over 2 years ago


Presentation on theme: "ESS 303 – Biomechanics Elbow & Wrist. Anterior View."— Presentation transcript:

1 ESS 303 – Biomechanics Elbow & Wrist


3 Anterior View

4 Middle phalanx 1 2 3 4 5 Posterior View

5 The Elbow Joint Articulation between humerus and ulna Flexion: limited by coronoid fossa and coronoid process contact Extension: limited by olecranon fossa and olecranon process contact Stable compared to shoulder – bony structure Head of radius moves along capitulum

6 Radioulnar Joint 3 articulations Proximal or superior (by the elbow joint) Middle Distal or inferior (by the wrist joint) Bony arrangements give virtually no stability – ligament support Movements: pronation and supination

7 The Wrist Joint Technically 2 joints Proximal or radiocarpal Ellipsoidal Flexion Extension Abduction (radial flexion or radial deviation) Adduction (ulnar flexion or ulnar deviation) Circumduction Distal radiocarpal or midcarpal joint

8 The primary function of the wrist muscles is to provide a stable base for the hand, while permitting postural adjustments that provide optimal length-tension in the long finger muscles The Wrist Joint

9 Tennis Elbow and Carpal Tunnel Syndrome (CTS)

10 Tennis Elbow

11 Lateral epicondylitis Wrist extensors attach to a single tendon at the lateral epicondyle of the humerus May be caused by any activity in which you grasp an object while your wrist is extended or by lifting heavy objects with your elbow locked and your arm extended Common in people over 30. Most common in Caucasian men 30 to 60 years old who work with their hands

12 Tennis Elbow – R X Rest (or stop) until the pain disappears Massage Exercise to strengthen and prevent re- injury Warm up & stretching before activity Take frequent breaks Medical: Anti-inflammatory drugs and surgery

13 CTS Transverse Carpal Ligament Median Nerve

14 CTS Basics The carpal tunnel is a bony canal within the palm side aspect of the wrist that allows for the passage of the median nerve to the hand Pinching or compression of the median nerve (compression neuropathy) by the transverse carpal ligament sets into motion a progressively crippling disorder which eventually results in wrist pain, numbness and tingling in the hand, pain consisting of a “pins and needles” feeling at night, weakness in grip and loss of coordination

15 Who Gets CTS? Women more than men – ratio of 3 to 1 Usually between the ages of 30 and 50 Seen more frequently in people who tend to do forceful repetitive types of work, such as grocery store checkers, assembly line workers, meat packers, typist, accountants, writers, etc.

16 CTS - R X Early stage: modification in activities, a removable wrist brace, and anti-inflammatory medicines Moderate stages, especially if numbness and pain continues: cortisone injection into the carpal tunnel or surgery (if other treatments have failed) Advanced stages, especially with profound weakness or muscle atrophy: surgery Untreated can cause permanent nerve damage

17 Movements and Major Muscles Elbow Flexion: biceps brachii, brachialis & brachioradialis Extension: triceps brachii & anoneus Radioulnar Pronation: pronator quadratus Supination: supinator

18 Movements and Major Muscles Wrist Flexion: flexor carpi radialis, flexor carpi unlaris, pulmaris longus, flexor digitorum superficialis & flexor digitorum profundus Extension: extensor carpi radialis longus, extensor carpi radialis brevis & extensor carpi unlaris Abduction (also called radial deviation or radial flexion): flexor carpi radialis Adduction (also called ulnar deviation or ulnar flexion): flexor carpi unlaris Circumduction: combination of above

Download ppt "ESS 303 – Biomechanics Elbow & Wrist. Anterior View."
 Bones, Joints, and Muscles of the Forearm, Wrist, and Hand Forearm, Wrist and Hand. The Elbow, Wrist & Hand Hard & Soft Tissue Anatomy. Flexor digitorum superficialis O:Medial epicondyle of humerus ulnar head: medial coronoid process radial head: upper 2/3 of anterior border of radius just. بسم الله الرحمن الرحيم. Type: Synovial hinge joint. Articulation: between the trochlea and capitulum of the humerus and trochlear notch of the ulna. Elbow, Forearm, Wrist and Hand ESAT 3600 Fundamentals of Athletic Training Elbow (HumeroUlnar) Joint and Hand Arm, Elbow, Forearm. Mohd. Saeed Vohra PhD. Japan MBBS. Pakistan. Mohd. Saeed Vohra PhD. Japan MBBS. Pakistan. Elbow and Forearm Complex KINESIOLOGY Scientific Basis of Human Motion, 12th edition Dr.Lubna Nazli Asst.Prof Arm/Shoulder/Forearm Muscles Anatomy Bingo Pick up the three sheets in the front of the room Posterior compartment Elbow, Forearm, wrist, and hand Medical ppt Medical ppt

 Muscle of the Arm and Forearm dorsal/posterior
