Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Muscles of the Upper Limb - Mater Academy Charter Middle/ High
Document related concepts
no text concepts found
Transcript
Rodrigo Orta Period. 3 Upper Limb Grouping Group 1- Muscles that arise from the shoulder girdle and cross the shoulder joint to insert into the humerus. Group 2- Enclose the humerus and insert on the forearm bones. Group 3- Muscles in the forearm, which insert on the hand bones and caused their movement Pectoralis Major Origin: Sternum, clavicle, and first to sixth ribs Insertion: Proximal humerus Function: Flexion of the humerus, internal rotation, and adduction of the arm Latissimus Dorsi Origins: Lower spine and iliac crest Insertion: Proximal humerus Function: Adducts, extends, and internally rotates the arm at the shoulder Deltoid Origin: Scapular spine and clavicle Insertion: Humerus (deltoid tuberosity) Function: Shoulder abduction, flexion and extension Biceps Brachii Origin: Scapula Insertion: Proximal Radius Function: Flexion of forearm at the shoulder and supinates forearm Brachialis Origin: Distal humerus Insertion: Proximal ulna Function: Flexion of the forearm at the elbow Brachioradialis Origin: Humerus Insertion: Distal radius Function: Assists with the flexion of the forearm at the elbow (fairly weak muscle) Triceps Brachii Origin: Shoulder girdle and proximal humerus Insertion: Olecranon process of the ulna Function: Extension, adduction, and extension of the arm at the shoulder Flexor Carpi Radialis Origin: Distal humerus Insertion: Second and third metacarpals Function: Flexion of the wrist Flexor Carpi Ulnaris Origin: Distal humerus and posterior ulna Insertion: Carpals of wrist and fifth metacarpal Function: Flexion and adduction of the wrist and assists with the flexion of the forearm Flexor Digitorum Superficialis Origin: Distal humerus, ulna, and radius Insertion: Middle phalanges of second to fifth fingers Function: Flexion of the wrists and digits Extensor Carpi Radialis Origin: Humerus Insertion: Bae of the second and third metacarpals Function: Extension of the wrist Extensor Digitorum Origin: Distal humerus Insertion: Distal phalanges of the second to fifth finger Function: Extension of the fingers Upper arm muscles (all) Forearm Muscles Question 1 Which muscle is being shown below? a) Latissimus dorsi c) Pectoralis major b) Deltoid d) Biceps brachii Question 2 What is the origin point of the Brachialis? a) Proximal ulna b) Shoulder girdle c) Distal humerus d) Distal radius Question 3 Name the three heads of the Triceps Brachii. Bibliography Essentials of Human Anatomy and Physiology online book Thewellnessdigest.com Google Images
