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Anatomy & Physiology
Study Stack Chapter 9 : Muscular System
| Term | Definition |
|---|---|
| Functions of the Muscular System | enables the body and its parts to move |
| 3 types of muscle tissue in the body | Skeletal Muscle Tissue , Cardiac Muscle and Smooth Muscle |
| Functions of the Skeletal Muscles | movement , posture |
| What type of muscle contraction enables us to maintain body position? | tonic contraction |
| Flexion | Movement that decreases the angle between two bones at their joint: Bending |
| Extension | Movement that increases the angle between two bones at their joint: Straightening |
| Abduction | Movement of a part away from the midline of the body |
| Adduction | Movement of a part toward the midline of the body |
| Rotation and circumduction | Movement around a longitudinal axis |
| Pectoralis major | Flexes upper arm |
| Latissimus dorsi | Extends upper arm |
| Deltoid | Abducts upper arm |
| Biceps brachii | Flexes forearm |
| Triceps brachii | Extends forearm |
| Gluteus maximus: | Extends thigh |
| Hamstring muscles: | Flex leg |
| Gastrocnemius | Plantar flexes foot |
| Quadriceps femoris group | Extend leg |