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Upper body Muscles
HVSMT Upper body Muscles O,I,A,N
| Question | Answer |
|---|---|
| Trapezius | I: Upper- lateral third of clavicle, acromion |
| Trapezius | I: Middle- spine of Scapula |
| Trapezius | I: Lower- Root of spine of Scapula |
| Trapezius | O: Extrenal Occipital Protuberance, Ligamentum nuchae, C7-T12 spinous Process |
| Trapezius | A: Upper- elevation, upward rotation |
| Trapezius | A: Middle- Retraction of the scapula |
| Trapezius | A: Lower-Depression, upward rotation of the scapula |
| Trapezuis | N: Accessory Nerve (Cranial Nerve) and branches of c3,4 |
| Latissimus Dorsi | O: Thoracolumbar aponeurosis, lower 6 thoracic spinous processes, Sacrum and iliac crest, lower 3 to 4 ribs, inferior angle of scapula |
| Latissimus Dorsi | I: Bicipital groove of humerus |
| Latissimus Dorsi | A: Extension, adduction of humerus, Medial rotation |
| Latissimus Dorsi | N: Thoracodorsal Nerve (C6,7,8) |
| Teres Major | O: Inferior angle of Scapula, Lower third of axillary border of scapula |
| Teres Major | I: Medial lip of bicipital groove of humerus |
| Teres Major | A: Extension, adduction of humerus, medial rotation |
| Teres Major | N: Lower Subscapular Nerve (C5,6) |
| Teres Minor | O: Upper 2/3 of axillary border of scapula |
| Teres Minor | I: Greater tubercle of Humerus (inferior Facet) |
| Teres Minor | A: lateral rotation, extension of humerus |
| Teres Minor | N: Axillary Nerve (C5,6) |
| Levator Scapula | O: C1-4 transverse processes |
| Levator Scapula | I: vertebral Border of scapula from superior angle to root of spine |
| Levator Scapula | A: Elevation, Downward rotation of scapula |
| Levator Scapula | N: Dorsal scapular nerve (C5) and branches of C3,4 |
| Rhomboids | O: MInor- C7and T1 |
| Rhomboids | O: Major- T2-T5 |
| Rhomboids | I: Minor- root of spine of scapula |
| Rhomboids | I: Major- vertebral border of scapula from root of spine to inferior angle |
| Rhomboids | A: retraction, downward rotation of scapula |
| Rhomboids | N: Dorsal scapular nerve (C5) |
| Supraspinatus | O: Supraspinous Fossa of scapula |
| Supraspinatus | I: Greater Tubercle of humerus (superior Facet) |
| Supraspinatus | A: aBduction of humerus, stabilization of head of humerus |
| Supraspinatus | N: Suprascapular nerve (C5,6) |
| Infraspinatus | O: infraspinous fossa of scapula |
| infraspinatus | greater tubercle of humerus ( middle Facet) |
| infraspinatus | A: Lateral rotation, extension of the humerus |
| infraspinatus | N: Suprascapular nerve (C5,6) |
| Subscapularis | O: subscapular fossa of scapula |
| Subscapularis | I: lesser tubercle of humerus |
| Subscapularis | A: Medial rotation and aDduction of humerus |
| Subscapularis | N: upper and lower subscapular nerve (C5,6) |
| Pectoralis Major | O: Clavicular Head- medial half of clavicle |
| Pectoralis Major | O: Sternal Head- Sternum, cartilages of upper 6 ribs |
| Pectoralis Major | I: lateral lip of bicipital groove of humerus |
| Pectoralis Major | A: aDduction, horizontal aDduction and medial rotation of humerus |
| Pectoralis Major | A: Clavicular Head- Flextion of humerus |
| Pectoralis Major | A: Sternal Head- extension of humerus from a flexed position |
| Pectoralis Major | N: Clavicular Head- lateral pectoral nerve (C5,6,7) |
| Pectoralis Major | N: Sternal Head- medial pectoral nerve (C8, T1) |
| Pectoralis Minor | O: Anterior surface of ribs 3,4,5 near costal cartilages |
| Pectoralis Minor | I: Coracoid process of scapula on medial border of superior surface |
| Pectoralis Minor | A: Protraction, Depression, downward rotation of scapula |
| Pectoralis Minor | N: Medial Pectora nerve (C8, T1) |
| Subclavius | O: 1st rib costocartilage junction |
| Subclavius | I: inferior shaft of clavicle-middle 1/3 |
| Subclavius | A: Stabilizes clavicle by moving it medially |
| Subclavius | N: nerve to subclavius (C5,6) |
| Serratus Anterior | O: Outer surface of 8 upper ribs ( by finger like slips) |
| Serratus Anterior | I: Vertebral Border of Scapula-anterior surface |
| Serratus Anterior | A: Protraction, upward rotation os scapula, stabilizes scapula against chest wall |
| Serratus Anterior | N: Long Thoracic nerve (C5,6,7) |
| Deltiods Anterior | O: lateral third of clavicle |
| Deltiods Middle | O: lateral Acromion |
| Deltiods Posterior | O: spine of scapula |
| Deltoids | I: deltoid tuberosity of humerus |
| Deltoids Anterior | A: flexion, horizontal aDduction, medial rotation of humerus, forehand tennis |
| Deltoids Middle | A: aBduction of humerus to 90 degrees |
| Deltiods Posterior | A: Extension, horizontal aBduction, lateral rotation of humerus, backhand tennis |
| Deltiods | N: Axillary Nerve (C5,6) |
| Triceps Brachii | O: Long Head- infraglenoid tubercle of scapula |
| Triceps Brachii | O: Lateral head- posterior humerus above spiral groove |
| Triceps Brachii | O: Medial Head- posterior humerus below spiral groove |
| Triceps Brachii | I: Olecranon process of ulna |
| Triceps Brachii | A: extension of elbow |
| Triceps Brachii | A:long head- extension of humerus |
| Triceps Brachii | N: radial nerve (C7,8) |
| Anconeus | O: lateral epicondyle of humerus |
| Anconeus | I: Olecranon process and upper posterior surface of ulna |
| Anconeus | A: assists extension of elbow |
| Anconeus | N: Radial nerve (C7,8) |
| Biceps Brachii | O: Short Head- coracoid process of scapula |
| Biceps Brachii | O: Long head- supraglenoid tubercle of scapula |
| Biceps Brachii | I: tuberosity of radius, Bicipital aponeurosis |
| Biceps Brachii | A: Flexion of elbow, supination of forearm |
| Biceps Brachii | A: short head- flexion of humerus |
| Biceps brachii | N: Musculocutneous nerve (C5, 6) |
| Sternocleidomastoid | O: Sternal Head- manibruium of sternum |
| Sternocleidomastoid | O: clavicular head- medial clavicle |
| Sternocleidomastoid | I: Mastoid process of temporal bone |
| Sternocleidomastoid | A: Bilaterally- flexion of neck |
| Sternocleidomastoid | A: Unilaterally- lateral flexion of neck to same side; rotation of head to opposite side |
| Sternocleidomastoid | N: Accessory nerve (Cranial nerve XI) (C2,3) |
| Scalenus Anterior | O: transverse process of cerical vertebrae C3-6 |
| Scalenus Medius | O: transverse processes of cervical vertebrae C2-7 |
| Scalenus Posterior | O: Transverse processes of cerical vertebrae C4-6 |
| Scalenes | I: first 2 ribs |
| Scalenes | A: Bilaterally- raise first 2 ribs during forced inspiration or assist neck flexion |
| Scalenes | A: Unilaterally- assits in lateral flexion of head to same side |
| Scalenes | N: Ventral rami of cervical nerves 3-8 |