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22 Cards in this Set
- Front
- Back
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Attachments and actions of: Trapezius |
Attachment: Medial -Skull (external Occipital Protuberance), Sub Nuchal line, Spinous process of C7-T12 Lateral - Scapula Spine, Acromium Process, Lateral 3rd of clavicle Action: Retract, Elevate, Depress, Upwardly Rotate Scapula. Extend or Flex Neck |
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Attachments and actions of: Rhomboids
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Attachment:
Medial - Spinous process C7-T5 Lateral - Vertebral border of Scapula Action: Retract and downwardly rotate scapula. Stabiliser |
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Attachments and actions of: Levator Scapulae
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Attachments: Medial - Spinous process C1-C4 Lateral - Superior part of vertebral border Actions: Elevate and downwardly royate scapula |
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Attachments and actions of: Serratus Anterior |
Attachments: Anterior - External, Lateral surface of ribs 1-9 Posterior - Rib side of medial border on scapula Actions: Protracts and Upwardly Rotates Scapula Stabiliser |
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Attachments and actions of: Pectoralis Major |
Attachments: Medial - 1) Clavicular head and medial half of anterior surface 2) Anterior surface of Sternum Lateral - Lateral lip of intertubercular groove Actions: Adductors, Medial rotators, can Flex or Extend (reverse origin) |
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Attachments and actions of: Pectoralis Minor |
Attachments: Inferior - Medial part of rib 3-5 Superior - Coracoid process Actions: Depresses Scapula to thorax |
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Attachments and actions of: Supraspinatus |
Attachments: Medial - Supraspinous fossa Lateral - Superior facet of greater tubercle Actions: Abductor GH stabiliser |
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Attachments and actions of: Infraspinatus |
Attachments: Medial - Infraspinous fossa Lateral - Middle facet of greater Tubercle Actions: Lateral GH jt rotator GH Stabilser |
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Attachments and actions of: Teres Minor |
Attachments: Medial - Medial part of lateral border Lateral - Inferior facet of greater tubercle Actions: Lateral rotator GH Stabiliser |
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Attachments and actions of: Subscapularis |
Attachments: Medial - Subscapular fossa Lateral - Lesser Tubercle Actions: Medial Rotator GH Stabiliser |
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Attachments and actions of: Deltoid |
Attachments: Superior: Acromium process, scapula spine, Lateral 1/3 of clavicle Inferior: Deltoid Tuberosity Actions: Abduct, Extend and flex (depending on which heads used) |
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Attachments and actions of: Latissimus Dorsi |
Attachment: Medial - Spinous process T6-T12, Iliac crest, thoracolumbar fascia, inferior rib 3-4 Lateral - Floor of intertubercular groove Action: Adductor, Extensor, Medial rotator (reverse origin lift) |
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Attachments and actions of: Teres Major |
Attachments: Medial - Posterior surface of inferior angle Lateral - Medial lip of intertubercular groove Actions: Adductor, Extensor, Medial Rotator |
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Acronym for remembering muscles of shoulder joint? |
Look, Terry Thomas S.I.T.S. Really Slowly, Sorta Like Pete Does LTTSITSRSSLPD |
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Subclavius |
Attachment: Medial - Medial part of 1st rib Lateral - Subclavian groove Action: Depress clavicle |
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Torque formula |
Torque = Force x Moment arm [T= (m x a) x d] |
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Concentric muscle contraction is? |
A muscle shortening to produce a movement Load < Effort |
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Isometric muscle contraction is? |
Maintaining muscle length to hold a position (usually against opposing forces) |
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Eccentric muscle contraction is? |
Controlled lengthening of muscles (slowly moving against a force, eg. controlled lowering of arm against gravity) Load > Effort |
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Advantage (levers?) |
The Effort is located further away from the Axis/Fulcrom than the Load. |
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What does the conoid ligament do? |
Allows upward rotation and elevation of the clavicle - allowing the arm to move beyond 90 degrees during abduction |
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Name the four joints of the shoulder complex |
1) Acromioclavicular 2) Sternoclavicular 3) Glenohumeral 4) Scapulothoracic |
