Term
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Definition
| The site where rigid elements of the skeleton meet; joint |
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Term
| What are the two categories for classifying articulations? |
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Definition
| Structurally and functionally |
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Term
| What are the three structural classifications of joints? |
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Definition
| Fibrous joints (held together by dense collagen fibers), cartilaginous joints, and synovial joints (held together by ligaments) |
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Term
| What are the three functional classifications of joints? |
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Definition
| Synarthrotic (immovable), Amphiarthrotic (slightly movable), and Diarthrotic (freely movable) |
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Term
| All synovial joints are _____ |
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Definition
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Term
| What are the three types of fibrous joints? |
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Definition
| Suture (skull), Syndesmosis (held together by ligament), and Gomphosis (peg-in-socket fibrous joint) |
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Term
| What are the two types of cartilaginous joints? |
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Definition
| Synchondroses (held together by hyaline cartilage) and Symphyses (held together by fibrous cartilage) |
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Term
| What is the most common structural classification of joints? |
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Definition
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Term
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Definition
| space between articulating bones |
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Term
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Definition
| sleeve-like capsule that encloses synovial cavity |
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Term
| What are the two components of the synovial capsule? |
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Definition
| the outer fibrous capsule and the inner synovial membrane |
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Term
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Definition
| viscous fluid secreted by the inner synovial membrane; reduces friction between joined bones; supplies nutrients and oxygen to joint cartilages |
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Term
| Define and state the purpose of Articular Cartilage |
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Definition
| hylaine cartilage at sites of articulation; shock absorption and decrease friction |
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Term
| Define and state the purpose of Articular Discs |
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Definition
| fibrocartilage inside the joint cavity; shock absorption and enhanced fit of articulating bones |
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Term
| What are the six components of synovial joints? |
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Definition
| synovial cavity, synovial capsule, synovial fluid, reinforcing ligaments, nervous innervation, and blood supply |
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Term
| What are the three types of reinforcing ligaments of synovial joints? |
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Definition
| capsular, extracapsular, and intracapsular |
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Term
| Define and state the purpose of Bursa |
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Definition
| thin, flat, sac-like structure containing synovial fluid that reduces friction between body part that rub together |
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Term
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Definition
| tube-like bursa that wraps around tendons |
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Term
| What are the four types of movement at synovial joints? |
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Definition
| Gliding, angular movements, rotation, and special movements |
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Term
| What are the three places gliding occurs? |
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Definition
| intercarpal joints, intertarsal joints, and intervertebral joints |
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Term
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Definition
| the side-to-side movement of flat bone surfaces |
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Term
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Definition
| moves bones closer together |
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Term
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Definition
| moves bones away from each other |
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Term
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Definition
| continued extension beyond anatomical position |
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Term
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Definition
| movement of bones away from the midline |
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Term
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Definition
| movement of a bone toward the midline |
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Term
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Definition
| movement of a body part in a circle |
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Term
| Define External (lateral) rotation |
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Definition
| anterior surface of a bone is turned away from the midline |
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Term
| Define Internal (medial) rotation |
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Definition
| anterior surface of bone is turned toward the midline |
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Term
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Definition
| upward movement of a body part |
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Term
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Definition
| downwatd movement of a body part |
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Term
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Definition
| movement of a body part anteriorly in the horizontal plane |
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Term
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Definition
| return of a protracted body part to anatomical position |
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Term
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Definition
| movement of the sole medially |
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Term
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Definition
| movement of the sole laterally |
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Term
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Definition
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Term
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Definition
| pulling your toes to your heel |
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Term
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Definition
| turning the palm anteriorly |
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Term
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Definition
| turning the palm posteriorly |
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Term
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Definition
| movement of the thumb to touch the finger tips (only place this occurs) |
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Term
| What are the six types of synovial joints? |
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Definition
| Planar, Hinge, Pivot, Condyloid, Saddle, and Ball-and-Socket |
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Term
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Definition
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Term
| What are the two ball-and-socket joints? |
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Definition
| femoral-coxal and glenohumeral joint |
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Term
| What are ligaments made of? |
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Definition
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Term
| ____ ligaments = _____ stability |
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Definition
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Term
| When increasing flexibility, what component of the body are you stretching? |
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Definition
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Term
| What are the two components of the temporomandibular joint (TMJ)? |
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Definition
| mandibular condyle and mandibular fossa |
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Term
| What is the most easily disarticulated joint? |
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Definition
| TMJ (temporomandibular joint ) |
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Term
| What are the components of the sternoclavicular joint? |
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Definition
| sternal end of the clavicle and the sternoclavicular notch of the manubrium |
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Term
| What are the two components of the Glenohumeral joint? |
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Definition
| the head of the humerus and the glenoid fossa of the scapula |
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Term
| What are the two components of the Femorocoxal joint? |
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Definition
| the head of the femur and the acetabulum of the Os Coxa |
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Term
| What are the three important extracapsular ligaments of the hip? |
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Definition
| Ilofemoral ligament, Pubofemoral ligament, and he Ischiofemoral ligament |
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Term
| What are the three components of the knee joint? |
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Definition
| femur, tibia, and patella |
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Term
| The knee joint is a combination of what two articulations? |
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Definition
| femorotibial and femoropatellar |
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Term
| What type of joint is the TMJ? |
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Definition
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Term
| What type of joint is the Glenohumeral joint? |
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Definition
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Term
| What are the four important structures of the intracapsular area of the knee? |
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Definition
| Lateral miniscus, posterior cruciate ligament (PCL), Anterior cruciate ligament (ACL), and the medial meniscus |
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Term
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Definition
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Term
| What are the components of the talocrural joint? |
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Definition
| the inferior articular surfaces of the tibia/fibula and the trochlea of the talus |
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