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38 Cards in this Set
- Front
- Back
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Spinal Cord Test Level C5
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Dermatome: skin of upper lateral arm
Myotome: Abduction of arm |
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Spinal Cord Test Level C6
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Dermatome: skin of palmar pad of thumb
Myotome: flexion of forearm |
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Spinal Cord Test Level C7
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Dermatome: Skin of palmar pad of middle finger
Myotome: extension of forearm |
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Spinal Cord Test Level C8
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Dermatome: skin of palmar pad of little finger
Myotome: flexion of fingers |
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Spinal Cord Test Level T1
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Dermatome:skin of medial aspect of elbow
Myotome: abduction/adduction of fingers |
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Nerve/Bone relationship of
Axillary nerve |
Surgical neck of humerus
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Nerve/Bone relationship of
Radial nerve |
Mid-shaft of humerus
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Nerve/Bone relationship of
Ulnar nerve |
humerus medial epicondyle "funny bone"
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Nerve/Bone relationship of
Median |
Distal humerus
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What passes through the scapular notch?
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Suprascapular nerve (C5,C6) below the suprascapular ligament.
Suprascapular artery above the ligament. |
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Long head of biceps attaches to what?
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supraglenoid tubercle
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Long head of triceps attaches to what?
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infraglenoid tubercle
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What muscles attach to the bicipital groove?
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Media lipl: Teres major
Floor: Lat Dorsi Lateral lip: Pec Major |
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Supraspinatus attachment
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Greater tubercle of humerus
superior facet |
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Infraspinatus muscle attachment
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greater tubercle of humerus
middle facet |
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Teres minor muscle attachment
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greater tubercle of humerus
inferior facet |
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Subscapularis attachment
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lesser tubercle of humerus
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What are the SITS muscles?
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Rotator Cuff muscles:
Supraspinatus Infraspinatus Teres minor Subscapularis |
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Ligaments of Shoulder
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coracoclavicular: strongest
acromialclavicular: weakest Coricoacromial: attaches parts of the same bone |
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Joints of the shoulder
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Sternoclavicular
Acromioclavicluar Glenohumeral Scapulothoracic Abduction of hand overhead tests these joints |
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What joints and/or ligaments are damaged in a shoulder separation
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Acromioclavicular joint is separated.
acromioclavicular and possible coracoclavicar ligaments may be torn |
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What aspect of the GH joint is the weakest?
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Inferior aspect. Not reinforced by tendons.
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What passes through the spiral groove of the humerus and what muscles are attach above/below?
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Above: Lateral head of triceps
Through: Radial nerve and deep brachial artery Below: Medial had of triceps |
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Flexion of arm
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Anterior deltoid, clavicular head of
Pec major, long head of biceps, coracobrachialis |
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Extension of arm
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Posterior deltoid, sternocostal head of Pec major, triceps, Lat dorsi, Teres major
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Medial rotation of arm
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Pec major, Lat dorsi, Terres major, subscapularis
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lateral rotation of arm
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Teres minor, infraspinatus
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Abduction of arm
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to 15 degrees supraspinatus, deltoid to 90 degrees, >90 degrees serratus anterior
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Adduction of arm
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Pec major, Lat dorsi, Teres major
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What causes winged scapula?
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Paralysis of the serratus anterior
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Serratus anterior attachment and innervation
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Long thoracic nerve (C5,C6,C7)
First 8-9 ribs to medial boarder of scapula. |
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Nerve supply of Deltoid
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Axillary nerve (C5,C6)
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Nerve supply of Pec Major
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Lateral Pectoral nerve (C5,C6,C&)
Medial Pectoral nerve (C8,T1) |
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Nerve supply of Biceps
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Musculocutaneous nerve (C5,C6,C7)
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Nerve supply of Lat. dorsi
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Thoracodorsal nerve (C6,C7,C8)
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Nerve supply of Teres major
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Lower subscapular nerve (C5,C6)
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Nerve supply of Triceps
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Radial (C5-T1)
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Nerve supply of rotator cuff
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Supraspinatus: suprascapular (C5,C6)
Infraspinatus: suprascapular (C5,C6) Teres minor: Axillary (C5,C6) Subscapularis: Subscapular nerve (C5,C6) |
