Upper Body Muscles Flashcards
What are the muscles of the abdomen?
The Rectus Abdominis and the External Oblique
What are the muscles of the rotator cuff?
Supraspinatus, Infraspinatus, Teres Minor and Subscapularis
What are the muscles acting on the upper limb?
Pectoralis Major and Latissimus Dorsi
What are the muscles that position the scapula?
Trapezius, Serratus Anterior and Pectoralis Minor
What are the muscles that move the humerus?
Deltoid, Coracobrachialis and Teres Minor
What are the muscles that make up the Elbow Flexors and Extensors?
Biceps Brachii, Brachialis and Triceps Brachii
Where is the origin of Rectus Abdominis?
The pubic crest & symphysis pubis
where is the insertion of Rectus Abdominis?
the xiphoid process & the inferior ribs
what is the function of the Rectus Abdominis?
Flexion of the trunk & bodily functions such as defecation, childbirth and expiration
where is the origin of the External Obliques?
The Lower 8 Ribs
where are the insertions of the External Obliques?
The Iliac Crest and the Linea Alba
What is the Linea Alba?
A line of connective tissue from the xiphoid process through the navel to the pubis bones
What is the function of the External Obliques?
Trunk Flexion and Rotation and compression of the abdomen
Where is the origin of the Pectoralis Major?
The Clavicle, Sternum and External Obliques
Where is the insertion of the Pectoralis Major?
The Intertubercular groove of the humerus
What is the function of the Pectoralis Major?
Internal rotation, arm adduction and flexion
Where is the origin of the Latissimus Dorsi?
T7 - T12, the Lumbar and Sacral Vertebrae, and the Iliac Crest
Where is the insertion of the Latissimus Dorsi?
The Intertubercular groove on the Humerus
What is the function of the Latissimus Dorsi?
Internal Rotation, Extension, and Adduction of the arm
Where is the origin of the supraspinatus?
The superior scapula, above the scapular spine
Where is the insertion of the supraspinatus?
The greater tubercle of the humerus
What is the function of the supraspinatus?
Adduction and Stabilization of the shoulder
Where is the origin of the Infraspinatus?
The scapula below the scapular spine
Where is the insertion of the Infraspinatus?
The greater tubercle of the humerus