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pectorial girdle ct
arm and hand bones
Question | Answer |
---|---|
how many cervical vertebrae are there | 7 |
how many thoracic vertebrae are there | 12 |
what is the most superior portion off the sternum called | manubrium |
how many lumbar vertebrae are there | 5 |
origin | point of a muscle that attaches to a nonmoving bone |
insertion | point of a muscle that attaches to a moving bone |
proximal | closer to |
distill | farther away |
medial | to the inside |
lateral | to the outside |
acromion process | provides attachment points for the deltoid and trapezious muscles |
coracoid process | provides attachment points of the pectoralis minor and coraco brachialis and the short head of the biceps brachii |
head of the humerus | articulates with the glenoid cavity of the scapula |
sternal end of the clavicle | articulates with the manubrium |
costal cartilage | allows the true ribs to attach to the sturnum and false ribs to connect to the 7th true rib |
acromial end of the clavicle | articulates with the acromian process of the scapula |
pronation | palm down |
supination | palm up |
pisiform | articulates with the styloid process of the ulna (smallest bone in the hand and is the only carple bone to be contained within a tendon) |
triquetrum | articulates withh the head of the ulna |
hamate | only carple to articulate with 2 metacarples |