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26 Cards in this Set
- Front
- Back
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What is the 'axilla'?
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Another name for the armpit. The space that is sandwhiched between anteriorly and posteriorly to the shoulder joint.
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Which muscle lies over the medial wall of the axilla?
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The 'serratus anterior' (muscle that you can see when stretching, three lines to it curving around the side of the body)
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Where is the 'serratus anterior' muscle?
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It's the muscle that you can see when stretching, three lines to it curving around the side of the body.
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It's the muscle that you can see when stretching, three lines to it curving around the side of the body.
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The 'serratus anterior'
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The nerve plexus for the upper limb is derived from the _______ ____ whose segmental origin is almost completely from the ____. It is called the _______ plexus.
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Ventral rami, whose segmental origin is almost completely from the neck. It is called the brachial plexus.
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This plexus streams over the first rib into the axilla
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Brachial plexus
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(sing) 'The acromion's connected to the ________'
NB Acromion is part of the scapula |
'The acromion's connected to the, clavicle'
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Where does the head of the humerus fit into?
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The 'glenoid cavity' of the scapula
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Which body part fits into the glenoid cavity of the scapula?
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The head of the humerus
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The greater and lesser tubercles of the humerus are associated with muscles that pull on the distal end of the humerus T/F
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F, the tubercles are associated with muscles that pull on the proximal end of the humerus
2155090111 |
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The tubercles of the humerus can be traced down the humerus for a short way as two raised ridges. These bony ridges are called the ______ of the greater and lesser tubercles.
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Crests of the greater and lesser tubercles
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A groove is formed between the tubercles and their corresponding crests. This is called the...
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...intertubercular groove
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As one goes down the humerus, it begins to thin and is a point where the bone often breaks. What is this area known as?
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The surgical neck of the humerus
NB This is still very high up on the bone, just distal to the main 'ball'/head of it |
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This marks the region into which the cape-like deltoid muscle is inserted
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The 'deltoid tuberosity'
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What is the type of cartilage that covers the glenoid cavity? (Part of the scapula)
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Articular cartilage (NB this covers lots of joints, and when it wears down it leads to a type of arthritis called 'osteoarthritis'
0733100111 |
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Which part of the scapula does the pectoralis minor connect to?
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The 'coracoid process'
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What is the name for the joint between the acromion and the clavical? What type of joint is it?
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The 'acromioclavicular joint'. It's a synovial joint.
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What is the name for the joint at the medial end of the clavical? What's special about it?
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It's called the 'sternoclavicular joint'. It's a synovial joint with a sepcial 'disc' that allows articulation (this is the only articulation between the trunk and the pectoral girdle (The clavicals and scapulas) that's bone based)
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What is the 'pectoral girdle'?
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The clavicals and scapulas
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The clavicals and scapulas combine to create a structure known as the...
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...pectoral girdle
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Both the acromioclavicular and sternoclavicular joints are primary cartilaginous joints T/F
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F! They are synovial
1417100111 |
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On which ribs does the pectoralis minor arise from?
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The middle three true ribs (Ribs III, IV and V)
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The pectoralis MINOR can be used as an accessory muscle for breathing T/F
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T. It is only used as such when the pectoral girdle is *stabalised*. Patients sometimes do this by clinging onto the side of the bed, or by putting their hands on their hips.
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Comment on the connections of the subclavius.
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Arises from the upper surface of the first rib, and is then inserted into the under-surface of the clavicle
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On a radiograph of a *child*, a large 'fan' or 'sail' shaped object can be seen in the mediastinum, and protruding into the lungs. What is this object?
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The thymus gland
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