interosseous muscles

interosseous muscles

[TA]
muscles that arise from and run between the long (metacarpal and metatarsal) bones of the hand and foot, extending to and producing movement of the digits.
See also: dorsal interossei (interosseous muscles) of foot, dorsal interossei (interosseous muscles) of hand, palmar interossei (interosseous muscles), plantar interossei (interosseous muscles).
Synonym(s): musculi interossei [TA]
Farlex Partner Medical Dictionary © Farlex 2012

in·ter·os·se·ous mus·cles

(in'tĕr-os'ē-ŭs mŭs'ĕlz) [TA]
Muscles that arise from and run between long (metacarpal and metatarsal) bones of the hand and foot, extending to and moving digits.
See also: dorsal interossei (interosseous muscles) of foot, dorsal interossei (interosseous muscles) of hand, palmar interosseous muscle, plantar interosseous muscle
Synonym(s): musculi interossei.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
A clinical examination showed weakness of the right interosseous muscles (grade 3/5 on the Medical Research Council scale), abduction of the right thumb, and extension of the right wrist and fingers II-V (Medical Research Council 4/5).
On physical examination, there was atrophy in the hypothenar and dorsal interosseous muscles of both hands.
Bilateral calf (especially gastrocnemius), thenar, hypothenar, and first dorsal interosseous muscles showed atrophy.
In addition, there is a technique with recording from the second lumbrical and interosseous muscles with stimulation of median and ulnar nerves, respectively.
The comparative evaluation of the recordings from the second lumbrical muscles for median distal motor latencies and ulnar distal motor latencies obtained from the interosseous muscles is another technique assessing the sensitivity of motor NCS.
Motor examination showed wasting of hypothenar and interosseous muscles of right hand.
Injury to the ulnar nerve at that site threatens with considerable invalidity of a patient caused by denervation of the majority of internal muscles of the hand (lumbricals and interosseous muscles of the hand).
The lateral collateral slips are thickened by the tendons of lumbrical and interosseous muscles and the medial collateral slips by tendons of the interosseous alone.
Neurological examination revealed normal cranial nerves, no sensory deficit, weakness of the right lumbricals and interosseous muscles, weakness of the right hip flexor muscles, and brisk right upper and lower limb reflexes with up going right plantar.
In the metacarpal region, a strong palmar fascia protects the palmar structures, fusing on the lateral aspect with the origin of the interosseous muscles III & IV (IM) (called improperly, and referred to on occasion as the suspensory ligament).
Mild atrophy was found in bilateral forearm and interosseous muscles. Examination showed mild weakness of the neck flexor muscles, bilateral muscles of the tibialis anterior and gastrocnemius, and finger extensor muscles.
The atrophy and the weakness of the abductor pollicis brevis and interosseous muscles had also increased.

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