Skeletal System and Muscle Tissue Quiz
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Questions and Answers

What is the description of cartilage?

smooth, slightly elastic

What is the function of cartilage?

Support, covers ends of bones

Describe ligaments.

slightly elastic(not as elastic as cartilage), very small movements

What is the function of ligaments?

<p>connects bone to bone, prevents dislocation, provides stability at joint</p> Signup and view all the answers

What is the description of tendons?

<p>inelastic, very strong</p> Signup and view all the answers

What is the function of tendons?

<p>Connect muscle to bone, allows muscle to pull on bone at joint for movement</p> Signup and view all the answers

Give a definition of connective tissue.

<p>type of soft tissue that plays an important role in the fuction of both the skeletal and muscular system</p> Signup and view all the answers

Describe the Trapezius muscle.

<p>A triangular-shaped muscle located on the posterior neck and upper back that moves the head and shoulder blade.</p> Signup and view all the answers

What is the Deltoid muscle?

<p>Each of the three parts of the muscle, attached at the front, side, and rear of the shoulder.</p> Signup and view all the answers

Where is the Erector Spinae located?

<p>A large muscle that originates near the sacrum and extends vertically up the length of the back. It also lies on each side of the vertebral column.</p> Signup and view all the answers

What is the Triceps Brachii muscle?

<p>The large muscle at the back of the upper arm.</p> Signup and view all the answers

Describe the Latissimus Dorsi muscle.

<p>Either of a pair of large, roughly triangular muscles covering the lower part of the back, extending from the sacral, lumbar, and lower thoracic vertebrae to the armpits.</p> Signup and view all the answers

Describe the External Oblique muscle.

<p>The largest abdominal muscle and is situated to the side and front of the stomach. It extends from the lowest rib down to the upper portion of the hips.</p> Signup and view all the answers

What is the Gluteus Maximus muscle?

<p>The largest of three muscles in each buttock that move the thigh</p> Signup and view all the answers

Describe the Biceps Femoris muscle.

<p>The lateral muscles in the back of the thigh that helps to flex the leg. Makes up part of the hamstrings.</p> Signup and view all the answers

Describe the Semitendinosus muscle.

<p>The superficial medial hamstring muscle of the thigh. Makes up part of the hamstrings.</p> Signup and view all the answers

What is the Semimembranosus muscle?

<p>Deep medial hamstring muscle of the thigh. Makes up part of the hamstrings.</p> Signup and view all the answers

Describe the Gastrocnemius muscle.

<p>The chief muscle of the calf of the leg, which flexes the knee and foot. It runs to the Achilles tendon from two heads attached to the femur.</p> Signup and view all the answers

What is the Soleus muscle?

<p>A broad muscle in the lower calf, below the gastrocnemius, that flexes the foot to point the toes downward.</p> Signup and view all the answers

Describe the Pectoralis Major muscle.

<p>Large, fan-shaped muscle that covers much of the front upper chest.</p> Signup and view all the answers

Describe the Rectus Abdominus muscle.

<p>Each of a pair of long flat muscles at the front of the abdomen, joining the sternum to the pubis and acting to bend the whole body forward or sideways.</p> Signup and view all the answers

What is the Iliopsoas muscle?

<p>Two muscles (the iliacus and psoas major) that run from the lumbar portion of the vertebral column to the femur. The main action is to flex the thigh at the hip joint.</p> Signup and view all the answers

What is the Vastus Intermedius muscle?

<p>One part of the large, fleshy group called quadriceps femoris, which occupies the front and the sides of the thigh.</p> Signup and view all the answers

Describe the Vastus Lateralis muscle.

<p>One of the quadriceps femoris muscle's four muscle divisions that's further away from the midline of the body. It occupies the sides and the front of the thigh.</p> Signup and view all the answers

What is the Vastus Medialis muscle?

<p>One of the quadriceps femoris muscle's four muscle divisions that's closer to the midline of the body. It occupies the sides and the front of the thigh.</p> Signup and view all the answers

Describe the Sartorius muscle.

<p>A long, narrow muscle running obliquely across the front of each thigh from the hipbone to the inside of the leg below the knee.</p> Signup and view all the answers

What is the Tibialis Anterior muscle?

<p>An elongated, spindle-shaped muscle located on the front of the lower leg.</p> Signup and view all the answers

Describe Bursae.

<p>pocket above the synovial membrane, contains synovial fluid, prevents tendons from rubbing</p> Signup and view all the answers

What is the Meniscus?

<p>fibrocartilage pad to absorb and distribute force</p> Signup and view all the answers

Describe the articular capsule.

<p>surrounds ends of bones in a synovial joint, contains fibrous capsule and synovial membrane</p> Signup and view all the answers

What is the Synovial membrane?

<p>delicate membrane of connective tissue that lines a joint cavity</p> Signup and view all the answers

What is Articular Cartilage?

<p>thin line of hyalin cartilage for a smooth surface where bones articulate</p> Signup and view all the answers

Describe Synovial fluid.

<p>coats and lubricates articular cartilage to prevent friction damage during movement</p> Signup and view all the answers

What is a synovial joint?

<p>freely movable joint in at least one direction</p> Signup and view all the answers

Describe Ball and Socket joints.

<p>complete range of motion</p> Signup and view all the answers

What are Pivot joints?

<p>One bone pivots in the arch of another</p> Signup and view all the answers

Describe Hinge joints.

<p>Like a door hinge, bending and extending</p> Signup and view all the answers

What are Condyloid joints?

<p>Side to side and back and forth movement</p> Signup and view all the answers

Describe Synovial joints.

<p>the highest level of mobility at a joint, are vital to all sporting movements (joints in your limbs)</p> Signup and view all the answers

What are Slightly movable joints (cartilaginous)?

<p>slight movement- ends of the bone are smooth due to hyaline cartilage, pads of cartilage compress</p> Signup and view all the answers

Describe Fixed joints (fibrous).

<p>do not move, held together by bands of tough tissue.</p> Signup and view all the answers

What is the Patella?

<p>Kneecap</p> Signup and view all the answers

Describe the Femur.

<p>Thigh Bone</p> Signup and view all the answers

What is the Humerus?

<p>Upper arm bone</p> Signup and view all the answers

Describe the Phalanges.

<p>Finger and Toes (tops)</p> Signup and view all the answers

Describe the Clavicle.

<p>Collar bone</p> Signup and view all the answers

What are the Tarsals?

<p>Foot base (ankle bones)</p> Signup and view all the answers

Describe the Meta Carpals.

<p>Middle of hand</p> Signup and view all the answers

What are the Thoracic Vertebrae?

<p>The middle vertebrae</p> Signup and view all the answers

Describe the Cervical Vertebrae.

<p>The upper vertebrae, by the neck</p> Signup and view all the answers

What are the Lumbar vertebrae?

<p>The lower vertebrae, lower back</p> Signup and view all the answers

Describe the Coccyx.

<p>Tailbone</p> Signup and view all the answers

What is the Ischium?

<p>curved bone forming the base of each half of the pelvis.</p> Signup and view all the answers

Describe the axial skeleton.

<p>part of the skeleton that supports and protects the head, neck, and trunk</p> Signup and view all the answers

What is the appendicular skeleton?

<p>Bones of the limbs and limb girdles that are attached to the axial skeleton</p> Signup and view all the answers

Describe long bones.

<p>length greater than width</p> Signup and view all the answers

What are short bones?

<p>cube shaped bones, as wide as they are long</p> Signup and view all the answers

What are irregular bones?

<p>specialised shape for their function</p> Signup and view all the answers

Describe superior.

<p>above</p> Signup and view all the answers

What is inferior?

<p>below</p> Signup and view all the answers

What is lateral?

<p>away from midline</p> Signup and view all the answers

Describe proximal.

<p>closer to the point of attachment</p> Signup and view all the answers

Describe internal.

<p>on the inside</p> Signup and view all the answers

Describe muscle contractility.

<p>ability to shorten</p> Signup and view all the answers

What is muscle extensibility?

<p>ability to be stretched past normal resting length</p> Signup and view all the answers

Describe muscle elasticity.

<p>ability to recoil after being stretched</p> Signup and view all the answers

What is muscle atrophy?

<p>decrease in muscle size</p> Signup and view all the answers

Describe muscle hypertrophy.

<p>increase in muscle size</p> Signup and view all the answers

Describe a controlled and nourished muscle.

<p>controlled by nerves and nerves by capillaries</p> Signup and view all the answers

What is skeletal muscle?

<p>striated and voluntary, lots of nuclei</p> Signup and view all the answers

Describe cardiac muscle.

<p>Involuntary muscle tissue found only in the heart, striated, 1 nuclei</p> Signup and view all the answers

What is smooth muscle?

<p>involuntary muscle found in internal organs, not striated, 1 nuclei</p> Signup and view all the answers

Describe the origin of a muscle.

<p>point of attachment of muscle to stationary bone</p> Signup and view all the answers

What is the insertion of a muscle?

<p>point of attachment of muscle to moving bone</p> Signup and view all the answers

Describe the epiphysis of a long bone?

<p>ends of the bone, composed mostly of spongy bone</p> Signup and view all the answers

What is spongy bone?

<p>Layer of bone tissue that has many small spaces and is found just inside the layer of compact bone.</p> Signup and view all the answers

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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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.

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