Capitate bone

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Figure 1: Bones of the left hand (Anterior surface)¹

Figure 2: Bones of the left hand (posterior surface)¹

Figure 3: Capitate bone (left)¹

Muscular attachments

Table 1: Muscles inserting on the Capitate

Muscle	Origin	Insertion	Innervation	Action

Note

As demonstrated above, there are no muscles, in this database, whose distal insertion inclues the capitate bone.

Table 2: Muscles originating from the Capitate

Muscle	Origin	Insertion	Innervation	Action
Adductor pollicis	3rd MCP (plantar surface) Capitate 2-3rd metacarpal base	Base of 1st proximal phalanx (ulnar sesamoid)	Ulnar n. C8 - T1	CMC: Adduction 1st MCP: Flexion
Flexor pollicis brevis	Flexor retinaculum Capitate Trapezium	1st proximal phalanx via radial sesamoid	Median n. Ulnar n. C8 - T1	CMC: Flexion

References

1.

Gray H. Anatomy of the Human Body. 20th ed. (Lewis WH, ed.). Lea & Febiger; 1918. https://www.bartleby.com/107/