Abstract:
:This prospective cohort study used video electromyography synchronized analysis to determine the dynamic use of extrinsic and intrinsic finger flexion during grasp. Light fist formation primarily involved the flexor digitorum profundus with either the flexor digitorum superficialis or intrinsics. In contrast, both the flexor digitorum superficialis and intrinsics were recruited in all tight fist video electromyography. However, the sequence of recruitment differed between patients in tight fist formation. Injured patients demonstrated a unique pattern of recruitment based on injury. The authors conclude that the flexor digitorum profundus is the workhorse in composite fist formation but the roles of the flexor digitorum superficialis and the intrinsic muscles are less consistent across patients. [Orthopedics. 2019; 42(6):e555-e558.].
journal_name
Orthopedicsjournal_title
Orthopedicsauthors
Fox PM,Oliver JD,Nguyen V,Hentz VR,Curtin CMdoi
10.3928/01477447-20190812-06subject
Has Abstractpub_date
2019-11-01 00:00:00pages
e555-e558issue
6eissn
0147-7447issn
1938-2367journal_volume
42pub_type
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