Flashcards
Back Muscles
Cards in this deck (19)
- 1Superficial Back-Extrinsic muscles
-innervated by ventral rami
-movement of upper limb
-axioappendicular - 2Trapezius-Flat triangular muscle
Origin: vertebral column
Insertion: scapula and clavicle
Action: Scapula
-elevation, depression, lateral rotation, retraction
Nerve: accessory nerve (IX)
A/V: transverse cervical - 3Latissimus DorsiFlat Triangular Muscle
Origin: vertebral column, thoracodorsal fascia, iliac crest
Insertion: humerus- bicipital groove
Action:Arm
-extension
-medial rotation
-adduction
NAV: thoracodorsal- middle subscapular nerve - 4Rhomboid MajorFlat rhomboid muscle
Origin: vertebral column (T2-T5)
Insertion: medial border scapula inferior to root (spine)
Action: Scapula
-medial rotation
-retraction
NAV: dorsal scapular - 5Rhomboid MinorFlat Rhomboid Muscle
Origin:Vertebral column (C7-T1)
Insertion: root(spine) scapula
Action: Scapula
-medial rotation
-retraction
NAV: Dorsal Scapular - 6Levator ScapulaeOrigina: vertebral column (C1-C4)
Insertion: medial border scapula superior to root (spine)
Action: scapula
-elevation
NAV: dorsal scapular - 7Deep Back Muscles-Intrinsic muscles
-innervated by Dorsal Rami
-movement of vertebral column
-flexion
-extension
-rotation
-lateral flexion - 8IliocostalisLong Muscles-Erector Spinae
Origin: iliac crest & vertebral column
Insertion: Ribs
Action: Vertebra
-extension
-lateral rotation - 9LongissimusLong Muscles:Erector Spinae
Origin: vertebral column
Insertion: vertebral column
Action: Vertebra
-Extension - 10SpinalisLong-Erector Spinae Muscles
Origin and Insertion: Vertebral column
Action: Vertebra
-Lateral flexion - 11DeltoidSuperficial Posterior Shoulder
Multipennate Muscle
Origin:clavicle and scapula
Insertion: humerus
Action: Shoulder
-abduct to 90 degrees
- flexion/medial rotation
-extension/lateral rotation
NAV: Quadrangular Space
-axillary nerve
-Posterior humeral circumflex A/V - 12SupraspinatusRotator Cuff Muscle
Origin: scapula
Insertion: humerus
Action: Shoulder
-initiates abduction
-stabilization
NAV:suprascapular - 13InfraspinatusRotator Cuff Muscle:
Origin: scapula
Insertion:Humerus
Action:Shoulder
-lateral rotation
-stabilization
NAV: suprascapular - 14Teres MinorRotator Cuff Muscle
Origin: scapula
Insertion: humerus
Action:Shoulder
-Lateral rotation
-Stabilization
-Axillary Nerve
-Post-humeral circumflex artery - 15Teres MajorOrigin:scapula
Insertion:humerus
Action:Shoulder
-extension
-medial rotation
-adduction
-stabilization
-lower subscapular nerve
-scapular circumflex AV- triangular space - 16Pectoralis MajorConvergent Muscle
Origin:clavicle and sternum
Insertion: humerus
Action: Shoulder
-flexion
-medial rotation
-adduction
-lateral and medial pectoralis nerve
-thoracoacromial artery - 17Pectoralis MinorTriangular Muscle
Origin:ribs
Insertion: scapula
Action:Scapula
-protraction
-depression
-lateral and medial pectoralis nerve
-thoracoacromial artery - 18SubscapularisConvergent muscle
Origin: scapula
Insertion:humerus
Action: Scapula
-medial rotation
-adduction
-stabilization
-upper subscapular nerve
-subscapular A/V - 19Serratus AnteriorMedial Muscle
Origin:Ribs
Insertion:Scapula
Action: Scapula
-abduction > 90 degrees
- lateral rotation
-protraction
-long thoracic nerve
-lateral thoracic A/V
Information
- Description
- Back, Shoulder, Breast Flashcards on Back Muscles, created by salu624 on 09/10/2013.
- Created by
- salu624
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