Bones & Joints
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The 3 types of joints are;
Immovable (fibrous or sutured)
Slightly moveable (cartilaginous)
Freely moveable (synovial)
Immoveable - Protective
Slightly moveable - Structural stability
Freely moveable - Movement
What are the 6 types of synovial joint?
Joints for movement
- Ball & Socket
Socket of the shoulder girdle
* Acromio-Clavicular joint *
Muscles are split into 3 types. These are Cardiac, smooth, and skeletal.
Which one/s is involuntary?
Cardiac - Heart only
Smooth - Surrounding tubes of the body
Muscle cells are packed with 2 kinds of contractile filaments what are these called?
Actin & Myosin
What is a bundle of muscle fibres called?
A fascicle is...
Bundle of muscle fibres
around each muscle cell (fibre)
Tip: Opposite what you think i.e. end = inner
Around the fascicles (bundle of fibres)
Around the outside of the muscle
Muscle fibres (cells) are composed of smaller elements known as myofibrils.
Myofibrils are divided into repeating units called sarcomeres (give muscle their striped appearance)
- Adductor magnus
- Adductor longus
- Adductor brevis
tip: have 'spin' in except teres minor
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