IB sports science - topic 1 Exam Questions with Correct Answers| Latest Update Graded A+
Bursa (bursae) Characteristics of a Synovial Joint: Flattened fibrous sac lined with synovial
membrane containing synovial fluid. Prevents friction at sites where
ligaments/muscles/tendons/bones might rub.
Synovial Joint ligament Characteristics of a Synovial Joint: Helps reinforce joints by
surrounding them.
Strong flexible tissue that connects bone to bone.
Articular Capsule Characteristics of a Synovial Joint: A sleeve like structure that surrounds
the joint, and is flexible enough to allow joint movement but its tensile strength protects it from
disconnecting
Meniscus Characteristics of a Synovial Joint: Tough white fibrocartilage that improves the fit
between adjacent bone ends. Increases joint stability and reduces wear and tear to joint
surface.
Contractility (muscle characteristics) Ability of muscle to shorten.
Extensibility (muscle characteristics) Ability of muscle to lengthen.
Elasticity (muscle characteristics) Ability of muscle to return to normal size.
Atrophy (muscle characteristics) The wasting away of muscle tissue.
Hypertrophy (muscle characteristics) The increase in size of muscle tissue.
, Adaptability (muscle characteristics) Ability to change in response to use.
Controlled by nerve stimuli (muscle characteristics) Requires an impulse or recognition to
initiate movement.
Fed by capillaries (muscle characteristics) Blood will be redistributed to muscles when they
are working and require more oxygen.
Skeletal muscle (non striated) voluntary control, has a striated appearance, has tendons that
attach mostly to bone.
Main function is to move the skeleton.
Smooth muscle (Non striated) Contracts without voluntary control.
Lines the walls of blood vessels and hollow organs such as the stomach and intestines.
Cardiac muscle (Striated) Heart muscle. Striated appearance.
under involuntary control - contracts without you having to think about it and does not tire.
Origin The attachment of a muscle tendon to a stationary bone.
Insertion The attachment of a muscle tendon to a movable bone.
Total skeletal muscle Groups of fasicles.
Fasicle Group of muscle cells.
Bursa (bursae) Characteristics of a Synovial Joint: Flattened fibrous sac lined with synovial
membrane containing synovial fluid. Prevents friction at sites where
ligaments/muscles/tendons/bones might rub.
Synovial Joint ligament Characteristics of a Synovial Joint: Helps reinforce joints by
surrounding them.
Strong flexible tissue that connects bone to bone.
Articular Capsule Characteristics of a Synovial Joint: A sleeve like structure that surrounds
the joint, and is flexible enough to allow joint movement but its tensile strength protects it from
disconnecting
Meniscus Characteristics of a Synovial Joint: Tough white fibrocartilage that improves the fit
between adjacent bone ends. Increases joint stability and reduces wear and tear to joint
surface.
Contractility (muscle characteristics) Ability of muscle to shorten.
Extensibility (muscle characteristics) Ability of muscle to lengthen.
Elasticity (muscle characteristics) Ability of muscle to return to normal size.
Atrophy (muscle characteristics) The wasting away of muscle tissue.
Hypertrophy (muscle characteristics) The increase in size of muscle tissue.
, Adaptability (muscle characteristics) Ability to change in response to use.
Controlled by nerve stimuli (muscle characteristics) Requires an impulse or recognition to
initiate movement.
Fed by capillaries (muscle characteristics) Blood will be redistributed to muscles when they
are working and require more oxygen.
Skeletal muscle (non striated) voluntary control, has a striated appearance, has tendons that
attach mostly to bone.
Main function is to move the skeleton.
Smooth muscle (Non striated) Contracts without voluntary control.
Lines the walls of blood vessels and hollow organs such as the stomach and intestines.
Cardiac muscle (Striated) Heart muscle. Striated appearance.
under involuntary control - contracts without you having to think about it and does not tire.
Origin The attachment of a muscle tendon to a stationary bone.
Insertion The attachment of a muscle tendon to a movable bone.
Total skeletal muscle Groups of fasicles.
Fasicle Group of muscle cells.
