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What is the description of cartilage?
What is the description of cartilage?
smooth, slightly elastic
What is the function of cartilage?
What is the function of cartilage?
Support, covers ends of bones
Describe ligaments.
Describe ligaments.
slightly elastic(not as elastic as cartilage), very small movements
What is the function of ligaments?
What is the function of ligaments?
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What is the description of tendons?
What is the description of tendons?
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What is the function of tendons?
What is the function of tendons?
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Give a definition of connective tissue.
Give a definition of connective tissue.
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Describe the Trapezius muscle.
Describe the Trapezius muscle.
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What is the Deltoid muscle?
What is the Deltoid muscle?
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Where is the Erector Spinae located?
Where is the Erector Spinae located?
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What is the Triceps Brachii muscle?
What is the Triceps Brachii muscle?
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Describe the Latissimus Dorsi muscle.
Describe the Latissimus Dorsi muscle.
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Describe the External Oblique muscle.
Describe the External Oblique muscle.
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What is the Gluteus Maximus muscle?
What is the Gluteus Maximus muscle?
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Describe the Biceps Femoris muscle.
Describe the Biceps Femoris muscle.
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Describe the Semitendinosus muscle.
Describe the Semitendinosus muscle.
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What is the Semimembranosus muscle?
What is the Semimembranosus muscle?
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Describe the Gastrocnemius muscle.
Describe the Gastrocnemius muscle.
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What is the Soleus muscle?
What is the Soleus muscle?
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Describe the Pectoralis Major muscle.
Describe the Pectoralis Major muscle.
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Describe the Rectus Abdominus muscle.
Describe the Rectus Abdominus muscle.
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What is the Iliopsoas muscle?
What is the Iliopsoas muscle?
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What is the Vastus Intermedius muscle?
What is the Vastus Intermedius muscle?
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Describe the Vastus Lateralis muscle.
Describe the Vastus Lateralis muscle.
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What is the Vastus Medialis muscle?
What is the Vastus Medialis muscle?
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Describe the Sartorius muscle.
Describe the Sartorius muscle.
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What is the Tibialis Anterior muscle?
What is the Tibialis Anterior muscle?
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Describe Bursae.
Describe Bursae.
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What is the Meniscus?
What is the Meniscus?
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Describe the articular capsule.
Describe the articular capsule.
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What is the Synovial membrane?
What is the Synovial membrane?
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What is Articular Cartilage?
What is Articular Cartilage?
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Describe Synovial fluid.
Describe Synovial fluid.
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What is a synovial joint?
What is a synovial joint?
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Describe Ball and Socket joints.
Describe Ball and Socket joints.
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What are Pivot joints?
What are Pivot joints?
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Describe Hinge joints.
Describe Hinge joints.
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What are Condyloid joints?
What are Condyloid joints?
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Describe Synovial joints.
Describe Synovial joints.
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What are Slightly movable joints (cartilaginous)?
What are Slightly movable joints (cartilaginous)?
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Describe Fixed joints (fibrous).
Describe Fixed joints (fibrous).
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What is the Patella?
What is the Patella?
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Describe the Femur.
Describe the Femur.
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What is the Humerus?
What is the Humerus?
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Describe the Phalanges.
Describe the Phalanges.
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Describe the Clavicle.
Describe the Clavicle.
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What are the Tarsals?
What are the Tarsals?
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Describe the Meta Carpals.
Describe the Meta Carpals.
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What are the Thoracic Vertebrae?
What are the Thoracic Vertebrae?
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Describe the Cervical Vertebrae.
Describe the Cervical Vertebrae.
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What are the Lumbar vertebrae?
What are the Lumbar vertebrae?
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Describe the Coccyx.
Describe the Coccyx.
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What is the Ischium?
What is the Ischium?
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Describe the axial skeleton.
Describe the axial skeleton.
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What is the appendicular skeleton?
What is the appendicular skeleton?
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Describe long bones.
Describe long bones.
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What are short bones?
What are short bones?
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What are irregular bones?
What are irregular bones?
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Describe superior.
Describe superior.
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What is inferior?
What is inferior?
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What is lateral?
What is lateral?
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Describe proximal.
Describe proximal.
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Describe internal.
Describe internal.
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Describe muscle contractility.
Describe muscle contractility.
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What is muscle extensibility?
What is muscle extensibility?
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Describe muscle elasticity.
Describe muscle elasticity.
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What is muscle atrophy?
What is muscle atrophy?
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Describe muscle hypertrophy.
Describe muscle hypertrophy.
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Describe a controlled and nourished muscle.
Describe a controlled and nourished muscle.
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What is skeletal muscle?
What is skeletal muscle?
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Describe cardiac muscle.
Describe cardiac muscle.
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What is smooth muscle?
What is smooth muscle?
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Describe the origin of a muscle.
Describe the origin of a muscle.
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What is the insertion of a muscle?
What is the insertion of a muscle?
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Describe the epiphysis of a long bone?
Describe the epiphysis of a long bone?
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What is spongy bone?
What is spongy bone?
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Study Notes
Skeletal System and Muscle Tissue
- Cartilage: Described as smooth and slightly elastic; its function is supporting structures and covering the ends of bones.
- Ligaments: Slightly elastic, enabling small movements; connect bone to bone, prevent dislocations, and enhance joint stability.
- Tendons: Inelastic and strong; connect muscle to bone, facilitating muscle-bone interaction for movement.
- Connective Tissue: A significant soft tissue, essential for the skeletal and muscular systems.
- Trapezius: A triangular muscle in the neck and upper back, moving the head and shoulder blade.
- Deltoid: A three-part muscle located on the shoulder, associated with moving the arm.
- Erector Spinae: A large muscle extending down the back, on either side of the spine, associated with movement.
- Triceps Brachii: A muscle located on the back of the upper arm.
- Latissimus Dorsi: A large, roughly triangular muscle that covers the lower back, connecting to the armpits and associated with thigh movements.
- External Oblique: The largest abdominal muscle, situated on the sides and front of the stomach, connecting to the lower ribs and upper hips.
- Gluteus Maximus: The primary buttock muscle, responsible for thigh movement.
- Biceps Femoris: A lateral hamstring muscle in the back of the thigh, contributing to leg flexion.
- Semitendinosus: A superficial, medial hamstring muscle in the thigh.
- Semimembranosus: A deep, medial hamstring muscle in the thigh.
- Gastrocnemius: The main calf muscle flexing the knee and foot, anchored to the Achilles tendon.
- Soleus: A muscle in the lower calf, functioning below the gastrocnemius, that flexes the foot.
- Pectoralis Major: A wide, fan-shaped muscle covering the upper chest.
- Biceps Brachii: A muscle in the upper arm, responsible for turning the hand palm-up and flexing the arm and forearm.
- Rectus Abdominis: A pair of flat abdominal muscles that stretch from the sternum to the pubis, enabling body bending.
- Iliopsoas: A combination of iliacus and psoas major muscles, connecting the lumbar spine to the femur, primarily responsible for hip flexion.
- Rectus Femoris: A quadriceps muscle in the middle of the thigh, extending the knee and flexing the hip.
- Vastus Intermedius: An integral part of the quadriceps femoris, located on the thigh's front and sides.
- Vastus Lateralis: Part of the quadriceps femoris, positioned on the sides and front of the thigh, further from the body's midline.
- Vastus Medialis: Another quadriceps femoris component, positioned on the sides and front of the thigh, closer to the body's midline.
- Sartorius: A long, slanting thigh muscle connecting the hip to the inside of the lower leg.
- Tibialis Anterior: An elongated muscle in the front of the lower leg.
- Bursae: Small sacs above synovial membranes, containing synovial fluid to prevent tendon rubbing.
- Meniscus: Fibrocartilage pads that absorb and distribute force.
- Articular Capsule: Surrounds joint ends of bones, consisting of fibrous capsule and synovial membrane.
- Synovial Membrane: A delicate connective tissue membrane lining the joint cavity.
- Ligaments: Connecting bone to bone, strengthening connections and limiting movement.
- Articular Cartilage: A thin layer of hyaline cartilage for smooth bone articulation.
- Synovial Fluid: Lubricates articular cartilage, preventing friction.
- Synovial Joints: Freely movable in one or more directions.
- Ball and Socket: Allows full range of motion.
- Pivot: Rotation of one bone within another.
- Hinge: Movement like a hinge (bending and extending).
- Condyloid: Side-to-side and back-and-forth movement.
- Synovial Joints: The most mobile joints, significant for sports.
- Slightly Movable Joints (Cartilaginous): Allow limited movement with smooth ends and compressed cartilage pads.
- Fixed Joints (Fibrous): Immovable, connected by fibrous tissue.
- Plane: Movement over a flat surface.
- Saddle: Back-and-forth and side-to-side movement
- Patella: Kneecap.
- Femur: Thigh bone.
- Humerus: Upper arm bone.
- Phalanges: Fingers and toes.
- Radius: Lower arm bone (thumb side).
- Ulna: Lower arm bone (adjacent to the radius).
- Tibia: Large lower leg bone.
- Fibula: Smaller lower leg bone.
- Pelvis: Hip bones.
- Clavicle: Collarbone.
- Scapula: Shoulder blade.
- Cranium: Skull.
- Sternum: Breastbone.
- Carpals: Wrist bones.
- Tarsals: Ankle bones.
- Metacarpals: Mid-hand bones.
- Metatarsals: Mid-foot bones.
- Sacrum: Bone at the bottom of the spine.
- Thoracic Vertebrae: Middle spine bones.
- Cervical Vertebrae: Upper spine bones (neck).
- Lumbar Vertebrae: Lower spine bones (lower back).
- Coccyx: Tailbone.
- Ischium: Curved bone forming the base of the pelvis.
- Ilium: Part of the hip bone.
- Pubis: Anterior medial part of the pelvis.
- Axial Skeleton: Supports and protects head, neck, and trunk.
- Appendicular Skeleton: Limbs and limb girdles attached to the axial skeleton.
- Long Bones: Length exceeds width.
- Short Bones: Cube-shaped; width equals length.
- Flat Bones: Thin, flattened, and usually curved, providing protection.
- Irregular Bones: Specialized shapes.
- Superior: Above.
- Inferior: Below.
- Anterior: Front.
- Posterior: Back.
- Medial: Towards the midline.
- Lateral: Away from the midline.
- Proximal: Closer to the attachment point.
- Distal: Further from the attachment point.
- Internal: Inside.
- External: Closer to the surface.
- Muscle Contractility: Ability to shorten.
- Muscle Extensibility: Ability to stretch past resting length.
- Muscle Elasticity: Ability to recoil after stretching.
- Muscle Atrophy: Decrease in muscle size.
- Muscle Hypertrophy: Increase in muscle size.
- Controlled and Nourished Muscle: Muscles controlled by nerves, nourished by capillaries.
- Skeletal Muscle: Striated, voluntary muscle with multiple nuclei.
- Cardiac Muscle: Involuntary, striated muscle in the heart with one nucleus.
- Smooth Muscle: Involuntary, non-striated muscle in internal organs, with one nucleus.
- Origin of Muscle: Point of attachment to stationary bone.
- Insertion of Muscle: Point of attachment to moving bone.
- Epiphysis of Long Bone: Ends of the bone, primarily spongy bone.
- Spongy Bone: Bone tissue with many small spaces, located beneath the hard bone.
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Description
Test your knowledge of the skeletal system and muscle tissue, including their functions and major structures like cartilage, ligaments, and specific muscles such as the trapezius and deltoid. This quiz covers essential concepts related to human anatomy and physiology.