Connective Tissue and Muscle Anatomy
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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

What is the description of a ligament?

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

What is the function of a ligament?

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

What is the description of a tendon?

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

What is the function of a tendon?

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

What is the definition of connective tissue?

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

What is the function of 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

What is the function of the Erector Spinae muscle?

<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

What is 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

What is the function of 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

What is 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

What is 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 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

What is the Pectoralis Major muscle?

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

What is 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 function of 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 function of the Rectus Femoris muscle?

<p>One of the four quadriceps femoris muscles that sits in the middle of the front of the thigh. It is responsible for knee extension and hip flexion.</p> Signup and view all the answers

What is the function of 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

What is the function of 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 function of 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 function of 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

What is the function of a Bursa?

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

What is the function of a Meniscus?

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

What is the function of 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 function of the synovial membrane?

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

What is the function of Articular Cartilage?

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

What is the function of 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

What is the range of motion of a Ball and Socket joint?

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

How does a Pivot joint move?

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

What is the range of motion of a Hinge joint?

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

What is the range of motion of a Condyloid joint?

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

What is the range of motion of a Slightly movable joint?

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

What is the Patella?

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

What is the Femur?

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

What are Phalanges?

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

What is the Clavicle?

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

What are Carpals?

<p>Hand base (wrist bones)</p> Signup and view all the answers

What are the Meta Tarsals?

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

What are Thoracic Vertebrae?

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

What are Cervical Vertebrae?

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

What are Lumbar vertebrae?

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

What is 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

What is 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

What is the definition of a Long Bone?

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

What is the definition of an Irregular Bone?

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

What does the word 'superior' mean?

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

What does the word 'medial' mean?

<p>Toward midline</p> Signup and view all the answers

What is 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

What is 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

How are muscles controlled and nourished?

<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

What is 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

What is 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

What is 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

What describes a ligament?

<p>slightly elastic(not as elastic as cartilage), very small movements</p> Signup and view all the answers

What describes a tendon?

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

What is 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

Describe 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

Describe the Erector Spinae muscle.

<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

Describe 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

Describe 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

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

Describe 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

Study Notes

Cartilage

  • Description: Smooth, slightly elastic.
  • Function: Provides support and covers the ends of bones.

Ligaments

  • Description: Slightly elastic (less elastic than cartilage), allows for very small movements.
  • Function: Connects bone to bone, prevents dislocation, and provides joint stability.
  • Additional function: Strengthens the connection and limits movement in specific directions.

Tendons

  • Description: Inelastic and very strong.
  • Function: Connect muscle to bone, allowing muscles to pull on bones for movement at joints.

Connective Tissue

  • Description/Function: A type of soft tissue crucial for the function of both skeletal and muscular systems.

Muscles (Specific Names and Descriptions)

  • Trapezius: Triangular muscle in the posterior neck and upper back; moves the head and shoulder blade.
  • Deltoid: Three-part muscle on the shoulder; responsible for front, side, and rear shoulder movements.
  • Erector Spinae: Large muscle running down the back, on each side of the vertebral column; responsible for movements of the vertebral column, originating near the sacrum and extending vertically up the back.
  • Triceps Brachii: Muscle at the back of the upper arm; responsible for extending the forearm.
  • Latissimus Dorsi: Large, roughly triangular muscle covering the lower back, extending from the sacral, lumbar, and lower thoracic vertebrae to the armpits; moves the thigh.
  • External Oblique: Largest abdominal muscle, situated to the side and front of the stomach; extends from the lowest rib to the upper hips;
  • Gluteus Maximus: Largest muscle in the buttocks; responsible for thigh movements.
  • Biceps Femoris: Lateral back thigh muscle; part of the hamstrings, responsible for flexing the leg.
  • Semitendinosus: Superficial medial hamstring muscle in the thigh; part of the hamstrings.
  • Semimembranosus: Deep medial hamstring muscle in the thigh; part of the hamstrings.
  • Gastrocnemius: Main calf muscle; flexes the knee and foot via the Achilles tendon, running from two heads attached to the femur.
  • Soleus: Calf muscle below the gastrocnemius; points toes downward.
  • Pectoralis Major: Fan-shaped muscle covering the upper chest.
  • Biceps Brachii: Upper arm muscle; turns the hand palm-up and flexes the arm and forearm.
  • Rectus Abdominus: Pair of long, flat abdominal muscles; joins the sternum to the pubis, bends the body forward or sideways.
  • Iliopsoas: Two muscles (iliacus and psoas major) that run from the lumbar spine to the femur; flex the thigh at the hip.
  • Rectus Femoris: Middle quadriceps muscle in the thigh; extends the knee and flexes the hip.
  • Vastus Intermedius: Part of the quadriceps femoris group in the thigh; responsible for knee extension.
  • Vastus Lateralis: Lateral quadriceps muscle in the thigh; responsible for knee extension.
  • Vastus Medialis: Medial quadriceps muscle in the thigh; responsible for knee extension.
  • Sartorius: Long, narrow muscle running diagonally across the thigh; flexes the leg and hip.
  • Tibialis Anterior: Muscle on the front of the lower leg; lifts the foot.

Joint Structures and Types

  • Bursae: Pockets above the synovial membrane; contain synovial fluid; prevent tendon rubbing.
  • Meniscus: Fibrocartilage pad to absorb and distribute forces.
  • Articular Capsule: Surrounds the ends of bones in a synovial joint; composed of fibrous capsule and synovial membrane.
  • Synovial Membrane: Delicate membrane lining the joint cavity.
  • Synovial Fluid: Coats and lubricates articular cartilage, preventing friction damage during movement.
  • Synovial Joints: Freely movable joints. These are vital to all sporting movements (joints in your limbs).
  • Ball and Socket: Allow complete range of motion.
  • Pivot: One bone pivots in the arch of another.
  • Hinge: Bending and extending, like a door hinge.
  • Condyloid: Side-to-side and back-and-forth movement.
  • Plane: Movement over a flat surface in various directions, restricted by ligaments or a bony prominence.
  • Saddle: Concave and convex surfaces, for back-forth and side-to-side movement, similar to condyloid but with concave and convex surfaces.
  • Slightly Movable Joints (Cartilaginous): Limited movement; smooth bone ends with hyaline cartilage; cartilage compression.
  • Fixed Joints (Fibrous): No movement; held together by tough tissue.
  • Articular Cartilage: Thin layer of hyaline cartilage for a smooth surface where bones articulate.

Bone Names and Locations

  • Existing bone information is retained.
  • Additional information from the flashcards about bones is added.

Bone and Muscle Actions

  • Existing information on actions is retained.
  • Additional information on different muscle and bone actions from the flashcards is added.

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Test your knowledge on the different types of connective tissues, including cartilage, ligaments, and tendons, as well as specific muscles and their functions. This quiz will cover the essential aspects of the skeletal and muscular systems. Perfect for students studying human anatomy!

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