Appendicular Skeleton Flashcards
How many bones are there in the appendicular skeleton?
Give breakdown
126 appendicular bones
Pectoral girdle (scapula, clavicle) - 4
Upper limb - 60
Lower limb - 60
Pelvic girdle (os coxae) - 2
What is the role of the appendicular skeleton?
- Voluntary movement
- Protection of vulnerable structures
What is the anatomical name for the hand
Manus
What is the anatomical name for the arm?
Brachium
What is the anatomical name for the forearm?
Antebrachium
What makes up the Pectoral girdle and what is its speciality?
Clavicle and scapula
Its where upper limb is attached to the axial skeleton via the sterno-clavicular joint
Learn the movement of the upper limb
Page 11
What is the rotator cuff?
Group of 4 muscles that surround the shoulder joint.
They help hold the head of the humerus against the glenoid cavity
What are the names of the 4 muscles that form the rotator cuff?
• Supraspinatus
• Infraspinatus
• Teres minor
• Subscapularis
Which muscle is responsible in abduction of GH joint?
Supraspinatus
Which muscles are responsible for the lateral rotation of the GH joint?
- Infraspinatus
- Teres minor
Which muscle is responsible of medial rotation and adduction of the GH joint?
Subscapularis
Which point of the shoulder joint is the weakest?
Inferior aspect of shoulder joint
What are the symptoms of posterior dislocation of the elbow?
• Numbness of medial part of palm and medial one and half fingers
• Weakness of flexion and adduction of the wrist
CAUSED BY FALLING ON OUTSTRETCHED HAND WITH ELBOW FLEXED -common in children
Where does the gluteus maximus insert?
Gluteal tuberosity of femur
