Biology NEET - XI: Chapter 20- Movement and Locomotion Part 2
The epimysium is made of fibrous elastic connective tissue. It encloses the whole muscle, providing strength, elasticity, and protection, while also helping transmit force generated by muscle fibers.
How does the scapula articulate with the the clavicle?
Acromial process
Key Terms
How does the scapula articulate with the the clavicle?
Acromial process
Glenoid cavity is present on which bone?
Scapula
WHere does the scapula articulate with the head of humerus?
Glenoid cavity
How many bones are present in each forelimb? Name them.
30 Arm bone/humerus
Radius and ulna
Wrist bones-Carpels-8
Metabones-5
Digts-phalanges-14
Deltoid ridge is present on
Humerus
Olecrenon fossa is present on
Humerus
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| Term | Definition |
|---|---|
How does the scapula articulate with the the clavicle? | Acromial process |
Glenoid cavity is present on which bone? | Scapula |
WHere does the scapula articulate with the head of humerus? | Glenoid cavity |
How many bones are present in each forelimb? Name them. | 30 Arm bone/humerus Radius and ulna Wrist bones-Carpels-8 Metabones-5 Digts-phalanges-14 |
Deltoid ridge is present on | Humerus |
Olecrenon fossa is present on | Humerus |
Humerus articulates with the ulna through | Olecrenon fossa and olecrenon process |
Which bone is located towards the lateral side of arm-radius or ulna? | Radius |
Which bone is the medial bone-radius or ulna? | Ulna |
How many bones are present in each pelvic girdle? | 1, coxal bone (made by the fusion of three bones- ischium, pubis, ilium) |
Each coxal bone is made by the fusion of | Ilium, ischium and pubis |
Which is the largest foramen of the body? Where is it present? | Obturator foramen, present at the junction of ischium and pubis |
How many bones are present in each hindlimb? Name them. | 30 THigh bone-femur Tibia and fibula Patella Tarsels (7) Metatarsals (5) Phalanges (14) |
Which is the largest, longest and heaviest bone of the body? | Femur |
What does the head of femur articulates with to form the hip joint? | Acetabulum |
Which bones form the knee joint? | Patella, tibia and femur |
What is the difference between the shapes and position of fibula and tibia? | Fibula- thinner, larger, lateral | Tibia- thicker, medial |
Immovable joints are present in | Sutures in skull bones | teeth in jaws |
The intervertebral joint is a type of | Cartilaginous joint |
What are synanthrous joint? | Immovable joint |
What are amphiarthrous joint? | Slightly movable joint |
What are diarthous joint? | Freely movable joint |
The shoulder joint and hip joint are example of | Ball and socket joint |
Which joint is present in carpometacarpal joint of thumb? | Saddle joint |
Which joint is a reduced form of ball and socket joint? | Saddle joint |
Which joints are multiaxial? | Saddle joint and ball and socket joint |
Elbow joint and knee joints are examples of | Hinge joint |
Interphalangeal joints are example of | Hinge joints |
Joint between atlas and axis is a type of | Pivot joint |
Joint between radius and ulna is a type of | pivot joint |
Joints between carpels, tarsels etc are | Gliding joint |
Which is the simplest freely movable joint? | Gliding joint |
The joint between atlas and occipitals is a type of | Condylar joint |
Name the biaxial joints of body. | Condylar joint and ellipsoid joint |
The joint between metacarpal and phalenges is a | Ellipsoid joint |
Increase in parathyroid hormone in old people can cause which disease? | Osteoporosis |
The inflammation of joints is called | Arthritis |
What is the degerative disorder of articular cartilage called? | Osteoarthritis |
What happens in rheumatoid arthritis? | IgM antibodies formed against synovial membrane. |
Which is the largest muscle of body? | Gluteus maximus |
Which is the longest muscle of body? | Sartorius muscle |
Which is the strongest muscle of body? | Masseter |
Which is the fastest muscle of body? | Eyelid muscle |
Which is the longest bone in lower arm? | Ulna |
What is a form of movement found inside amoeba? | Cytoplasmic streaming |
How many type of movements do the cells of the body usually show? | 3- amoeboid, ciliary and muscular |
How much of a person's body weight is constituted by muscles? | 40-50% |
What is the common collagenous connective tissue layer which holds the fascicles called? | Fascia |
Which is thinner-actin or myosin? | Actin |
Sarcomere is the region of muscle fibre between two | Z lines |
How many tropomyosin run along the actin? | 2 |
Which part of meromyosin is an active ATPase enzyme? | Globular head |
Which muscles are called aerobic muscles? | Red muscles |
What constitutes the main framework of the trunk of body? | Vertebral column |
How many curvatures does the clavicle has? | 2 |
Joints are present only between two bones. True/false | Joints are present between two bones and bones and cartilage. |
What acts as a fulcrum for the bone? | Joint |
What is the rapid spasm in muscle due to low calcium in body fluid called? | Tetany |