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304 Group IV. Function: Stabilization of shoulder against injury in strong movements, holding head of humerus in socket; abduction; outward rotation and inward rotation of arm. Intrinsic muscles of shoulder grole: (1) Supraspinatus; (2) infraspinatus and teres minor, (3) subscapularis; (4) coracobrachialis.

Severe

Moderately Severe Moderate

Slight

305 Group V. Function: Elbow supination (1) (long head of biceps is stabilizer of shoulder joint); flexion of elbow (1, 2, 3). Flexor muscles of elbow: (1) Biceps; (2) brachialis; (3) brachioradialis.

Rating

5310 Group X. Function: Movements of forefoot and toes; propulsion thrust in walking. Intrinsic muscles of the foot: Plantar: (1) Flexor digitorum brevis; (2) abductor hallucis; (3) abductor digiti minimi; (4) quadratus plantae; (5) lumbricales; (6) flexor hallucis brevis; (7) adductor hallucis; (8) flexor digiti minimi brevis; (9) dorsal and plantar interossei. Other important plantar structures: Plantar aponeurosis, long plantar and calcaneonavicular ligament, tendons of posterior tibial, peroneus longus, and long flexors of great and little toes.

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cles.

10

Moderate

Slight

20

10

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40

20

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NOTE:

Minimum rating for through-and-through wounds of the foot-10.

5311 Group XI. Function: Propulsion, plantar flexion of foot (1); stabilization of arch (2, 3); flexion of toes (4, 5); Flexion of knee (6). Posterior and lateral crural muscles, and muscles of the calf: (1) Triceps surae (gastrocnemius and soleus); (2) tibialis posterior; (3) peroneus longus; (4) peroneus brevis; (5) flexor hallucis longus; (6) flexor digitorum longus; (7) popliteus; (8) plantaris. Severe

Moderately Severe
Moderate
Slight

5312 Group XII. Function: Dorsiflexion (1); extension of toes (2); stabilization of arch (3). Anterior muscles of the leg: (1) Tibialis anterior; (2) extensor digitorum longus; (3) extensor hallucis longus; (4) peroneus tertius.

Severe

Moderately Severe

Moderate

Slight

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THE PELVIC GIRDLE AND THIGH

Rating

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*If bilateral, see §3.350(a)(3) of this chapter to determine whether the veteran may be entitled to special monthly compensation.

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5314 Group XIV. Function: Extension of knee (2, 3, 4, 5); simultaneous flexion of hip and flexion of knee (1); tension of fascia lata and iliotibial (Maissiat's) band, acting with XVII (1) in postural support of body (6); acting with hamstrings in synchronizing hip and knee (1, 2). Anterior thigh group: (1) Sartorius; (2) rectus femoris; (3) vastus externus; (4) vastus intermedius; (5) vastus internus; (6) tensor vaginae femoris.

Severe

Moderately Severe

Moderate

Slight

5315 Group XV. Function: Adduction of hip (1, 2, 3, 4); flexion of hip (1, 2); flexion of knee (4). Mesial thigh group: (1) Adductor longus; (2) adductor brevis; (3) adductor magnus; (4) gracilis.

Severe

Moderately Severe

Moderate

Slight

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5319 Group XIX. Function: Support and compression of abdominal wall and lower thorax; flexion and lateral motions of spine; synergists in strong downward movements of arm (1). Muscles of the abdominal wall: (1) Rectus abdominis; (2) external oblique; (3) internal oblique; (4) transversalis; (5) quadratus lumborum.

Severe

Moderately Severe

Moderate

Slight

5320 Group XX. Function: Postural support of body. extension and lateral movements of spine. Spinal muscles: Sacrospinalis (erector spinae and its prolongations in thoracic and cervical regions). Cervical and thoracic region:.

Severe

Moderately Severe

Moderate

Slight

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5316 Group XVI. Function: Flexion of hip (1, 2, 3). Pelvic girdle group 1: (1) Psoas; (2) iliacus; (3)

pectineus.

Severe

Moderately Severe

Moderate

Slight

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5322 Group XXII. Function: Rotary and forward movements of the head; respiration; deglutition. Muscles of the front of the neck: (Lateral, supra-, and infrahyoid group.) (1) Trapezius I (clavicular insertion); (2) sternocleidomastoid; (3) the "hyoid" muscles; (4) sternothyroid; (5) digastric.

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5324 Diaphragm, rupture of, with herniation. Rate under diagnostic code 7346.

5325 Muscle injury, facial muscles. Evaluate functional impairment as seventh (facial) cranial nerve neuropathy (diagnostic code 8207), disfiguring scar (diagnostic code 7800), etc. Minimum, if interfering to any extent with mastication-10.

5326 Muscle hernia, extensive. Without other injury to the muscle-10.

5327 Muscle, neoplasm of, malignant (excluding soft tissue sarcoma)-100.

NOTE A rating of 100 percent shall continue beyond the cessation of any surgery, radiation treatment, antineoplastic chemotherapy or other therapeutic procedures. Six months after discontinuance of such treatment, the appropriate disability rating shall be determined by mandatory VA examination. Any change in evaluation based upon that or any subsequent examination shall be subject to the provisions of §3.105(e) of this chapter. If there has been no local recurrence or metastasis, rate on residual impairment of function.

5328 Muscle, neoplasm of, benign, postoperative. Rate on impairment of function, i.e., limitation of motion, or scars, diagnostic code 7805, etc. 5329 Sarcoma, soft tissue (of muscle, fat, or fibrous connective tissue)-100.

NOTE: A rating of 100 percent shall continue beyond the cessation of any surgery, radiation treatment, antineoplastic chemotherapy or other therapeutic procedures. Six months after discontinuance of such treatment, the appropriate disability rating shall be determined by mandatory VA examination. Any change in evaluation based upon that or any subsequent examination shall be subject to the provisions of §3.105(e) of this chapter. If there has been no local recurrence or metastasis, rate on residual impairment of function.

(Authority: 38 U.S.C. 1155)

[62 FR 30239, June 3, 1997]

THE ORGANS OF SPECIAL SENSE

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Rat

ing

$4.75 Examination of visual acuity. Ratings on account of visual impairments considered for service connection are, when practicable, to be based only on examination by specialists. Such special examinations should include uncorrected and corrected cen

tral visual acuity for distance and near, with record of the refraction. Snellen's test type or its equivalent will be used. Mydriatics should be routine, except when contraindicated. Funduscopic and ophthalmological findings must be recorded. The best distant vision obtainable after best correction by glasses will be the basis of rating, except in cases of keratoconus in which contact lenses are medically required. Also, if there exists a difference of more than 4 diopters of spherical correction between the two eyes, the best possible visual acuity of the poorer eye without glasses, or with a lens of not more than 4 diopters difference from that used with the better eye will be taken as the visual acuity of the poorer eye. When such a difference exists, close attention will be given to the likelihood of congenital origin in mere refractive error. [40 FR 42537, Sept. 15, 1975]

$4.76 Examination of field vision.

Measurement of the visual field will be made when there is disease of the optic nerve or when otherwise indicated. The usual perimetric methods will be employed, using a standard perimeter and 3 mm. white test object. At least 16 meridians 221⁄2 degrees apart will be charted for each eye. (See Figure 1. For the 8 principal meridians, see table III.) The charts will be made a part of the report of examination. Not less than 2 recordings, and when possible, 3 will be made. The minimum limit for this function is established as a concentric central contraction of the visual field to 5°. This type of contraction of the visual field reduces the visual efficiency to zero. Where available the examination for form field should be supplemented, when indicated, by the use of tangent screen or campimeter. This last test is especially valuable in detection of scotoma.

[43 FR 45352, Oct. 2, 1978]

§4.76a Computation of average concentric contraction of visual fields. The extent of contraction of visual field in each eye is determined by recording the extent of the remaining visual fields in each of the eight 45 degree principal meridians. The number

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Figure 1. Chart of visual field showing normal field right eye and abnormal contraction visual field left eye.

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