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Muscles & Joints
Chapter 7
| Question | Answer |
|---|---|
| Buccinator | cheek muscles-moves cheeks |
| Temporal | Lower Jaw |
| Masseter | Moves lower jaw upwards- used when biting and chewing |
| Trapezius | triangular-shaped muscle that extends across the back of the shoulder, covers the back of the neck -pulls shoulder blades together |
| Latissimus Dorsi | Lower back; extends to armpit |
| Pectoralis Major | fan-shaped muscle that crosses the upper part of the front of the chest |
| Deltoid | muscles covers the shoulder joint |
| Gluteus maximus | most fleshy part of the buttock. large muscle that offers support when an individual is standing |
| Gluteus Medius | smaller muscle located above the upper outer quadrant of the gluteus maximus muscle |
| Hamstring Muscles | located in the posterior part of the thigh. responsible for flexing the leg on the thight |
| Gastrocnemius | main muscle of the calf |
| Tibialis Anterior | muscle positioned on the front of the leg |
| Arthralgia | pain in the joints |
| Atrophy | wasting away |
| Contracture | abnormal bending of a joint into a fixed position; usually caused by atrophy and shortening of muscle fibers |
| Fascia | thin sheets of fibrous connective tissue that pentrate and cover the entire muscle |
| Insertion | point of attachment of a mucscle to a bone it moves |
| Involuntary Muscle | act without conscious control |
| Origin | point of attachment of a muscle to a bone that is less movable |
| Pelvic Gridle Weakness | weakness of the muscles of the pelvic girdle. - Muscular dystrophy |
| Skeletal Muscles | muscles that attach to the bones of the skeleton; also know as striated muscle. Voluntary |
| Smooth Muscle | muscles found in the walls of hollow organs and tubes |
| Striated Muscle | muscles that have a striped appearance. Skeletal and Cardiac |
| Torso | Trunk - Midsection |
| Visceral Muscle | Muscles of the internal organs |
| Voluntary Muscle | muscles that operate under conscious control. Voluntary |
| Muscular Dystrophy | group of genetically transmitted disorders characterized by progressive symmetrical wasting of skeletal muscles; no evidence of nerve involvement or degeneration of nerve tissue |
| Rotator Cuff Tear | tear in the muscles that form a "cuff" over the upper end of the arm |
| Strains | injury to the body of teh muscle or attachment of the tendon, resulting from overstretching, overextension, or misuse |
| Muscle Biopsy | extraction of a specimen of muscle tissue, for the purpose of examining it under a microscope |
| Electromyography | the process of recording the strength of the contraction of a muscle when it is stimulated by an electric current |
| Fibrous Joint | immovable joint |
| Cartilaginous Joint | connected by cartilage, allows limited movement |
| Synovial Joint | lined with synovial membrane, which secretes synovial fluid. allows free movement |
Created by:
asmaba08
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