PPT-G. Muscles of the Arm

move the forearm elbow 1 biceps brachii L anterior upper arm A flexes elbow supinates hand 2 brachialis L medial upper arm A flexes elbow 3 triceps . Muscles of girdles and appendages. Innervated by ventral ramus of spinal nerves. Key Point. What is a girdle?. What is a ramus/rami?. Appendicular Muscles - fish. Originated as extensions of hypaxials of body wall. Lower . Extremities. Muscles that Move…. The Lower Extremities:. The . Coxal. joint/thigh. Thigh muscles that move the knee joint/leg. Leg muscles. Intrinsic muscles of the foot. The Muscles of the . What would life be like without . . Joints. Move a joint that you use often. . How do different joints move. Essential. . Question. 1. What role do joints play in the human body?. . Joints are the places where two bones meet and allow movement & flexibility and provides support to the human skeleton.. Human Body. Frontalis. – Elevates eyebrow. Orbicularis. . oculi. – Flexes eye. Zygomaticus. – Elevates lips. Orbicularis. . oris. – Flexes lips. Masseter. – Elevates mandible. Muscles of the Head/Face. Interesting Muscle Facts. Thirty facial muscles create looks like surprise, happiness, sadness, and frowning. Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day. Upper and Lower Limbs. Deltoid. Scapula. Deltoid. Scapula. Biceps . Brachii. :. Prime mover for flexing the arm. Deltoid. Scapula. Biceps . Brachii. :. Prime mover for flexing the arm.. Triceps . brachii. Muscle. Origin. Insertion. Action. *Rectus . Abdominis. Pubis. Ribs, . Xyphoid. Process. Flexes. and rotates lumbar vertebrae. *External . Oblique. Ribs. Pubis, Ilium, Linea Alba. Flexes vertebral column. Coracobrachialis. Adduction of the . shoulder & flexion.. Pectoralis. Major. The first action is flexion of the . humerus. , . Secondly. , it adducts the . humerus. . . Thirdly, it rotates the . RECEPTORS AND EFFECTORS. SENSORY RECEPTORS. receptor. stimuli. sense. Photoreceptors. light. Eyes. Mechanoreceptors. Changes. in . movement. , . pressure. , . waves. , . sound. ,. . contact. , . pain. THE SHOULDER COMPLEX. MADE UP OF:. SHOULDER GIRDLE. UPPER ARM. SURROUNDING MUSCLES, LIGAMENTS, TENDONS, AND ARTICULATIONS. JOINTS OF THE SHOULDER COMPLEX. STERNOCLAVICULAR JOINT. CLAVICLE ARTICULATES WITH THE STERNUM. Objectives. Identify tender, intermediate, and tough muscles. List specific muscles in various steaks. What steaks are the most tender?. Tender Muscles. Examples:. Psoas major-. . Loin, on the back. :. Skeletal . Muscle . Tissue. Cardiac Muscle . Tissue. Smooth Muscle Tissue. Skeletal Muscle Tissue. AKA Striated Muscles:. These are voluntary muscles. Consciously controlled.. They are composed of distinctive light and dark bands. Dr M S Ansari. Learning Objectives. Muscle groups of upper limb. Innervation of flexor, extensor compartment of arm and forearm. Predominant nerve supply in opposition of thumb. Lumbricals, innervation and action(Hand Grip). MESA Day Curriculum 3 These materials are for the internal use of California MESA staff and teachers only and should not be forwarded or used outside of MESA. S ection II : Review Anatomy of the H