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Oghs girdles/limbs
Anatomy
| Question | Answer |
|---|---|
| Portion of the skeleton that supports and attaches the upper limbs | pectoral girdle |
| The pectoral girdle is an incomplete ring because it is open in the back between the ________________ | scapulae |
| The pectoral girdle is composed of 4 parts- ______clavicles and _____ scapulae | two, two |
| The ________ ends of the clavicles articulate with the manubrium of the sternum | Medial |
| The _______ ends of the clavicles articulate with the processes of the scapulae | processes |
| _________ are slender, rodlike bones with elongated S-shapes. Located at the base of the neck they run horizontally between the sternum and the shoulders | clavicles |
| ________ are broad, somewhat triangular bones located on either side of the upper back. They have flat bodies with concave anterior surfaces | scapulae |
| The ____________ ______________ divides the scapula into unequal portions | posterior surface |
| Above the spine is the ______________ _______ | Supraspinous fossa |
| Below the spine is the ______________ ________ | infraspinous fossa |
| The tip of the shoulder is the _____________ ____________ of the scapula | acromian process |
| The acromion process articulates with the _______ and provides __________ for muscles of the upper limb and chest | clavicle; attachment |
| At the lateral end of the scapula, the ___________ ____________ curves anteriorly and inferiorly from the clavicle | coracoid process |
| The glenoid cavity which is a depression between the processes of the lateral surface of the scapula articulates with the _____ of the humerus | head |
| What are the three borders that the scapula have? | The Supeior border, axillary or later border, and the vertebral or medial order. |
| _______ border is on the superior edge | superior |
| _________ or _________ border is directed toward the upper limb | The axillary or lateral |
| ________ or __________ border, is closet to the vertebral column about 5 cm away | The vertebral or medial |
| The __________ contains capitate, lunate, and trapezium | carpals |
| The_______contains coronoid fossa, deltoid tuberosity, greater tubercle, intertubercular groove, and the olecranon fossa | Humerus |
| The ________contains five palmar bones | Metacarpals |
| The __________contains fourteen bones in digits | Phalanges |
| The __________ contains radial tuberosity | Radius |
| The __________ contains the Trochlear notch | Ulna |
| pg.229 Below the head of the humerus there are two processes | greater tubercle on the lateral side and lesser tubercle on the anterior sides. |
| The greater/lesser tubercles provide __________ for muscles that move the upper limb at the shoulder | attachments |
| Between the muscles that move the upper limb at the shoulder is a narrow furrow called the _______________ ________________, through which a tendon passes from a muscle in the arm (biceps brachii) to the shoulder | intertubercular groove |
| The narrow depression along the margin of the head that seperates it from the tubercles is called the _______________ neck | anatomical |
| Just below the head and the tubercles of the humerus is a tapering region called the _______ neck, so named because fractures commonly occur there. | surgical |
| Near the middle of the bony shaft on the lateral side is a rough V-shaped area called the __________ tuberosity. It provides an attachment for the muscle(_______) that raises the upper limb horizontally to the side | Deltoid |
| At the lower end of the humerus are two smooth condyles- a knoblike capitulum on the ___________ side and a pulley-shaped trochlea on the _________ side | lateral;medial |
| The capitulum _________ with the radius at the elbow, where as the trochlea joins the ulna. | articulates |
Created by:
akog2012