*5.12.2 Flexor musculature*


*Anatomy of the Rhesus Monkey (*Macaca mulatta*): The Essentials for the Biomedical Researcher DOI: http://dx.doi.org/10.5772/intechopen.99067*

#### **Figure 34.**

*Dorsal view of the musculature of the left hand. 1: m. extensor digitorum communis, 2: m. abductor digiti primi longus, 3: m. brachioradialis, 4: m. extensor carpi radialis longus, 5: m. extensor carpi radialis brevis, 6: m. extensor carpi ulnaris, 7: m. extensor digiti primi (pollicis) longus, 8: m. extensor digiti secundi, 9: m. extensor digiti tertii, 10: m. extensor digiti quarti, 11: m. extensor digiti quinti, 12: m. adductor digiti primi, 13: m. interosseous, 14: ligamentum carpi dorsale.*

aponeurosis (aponeurosis palmaris) which lies superficially at the palmar side of the hand (**Figures 33** and **35**).


#### **Figure 35.**

*Palmar view of the musculature of the left hand. A: superficial layer, B: deeper layer, C: deepest layer. 1: m. flexor carpi ulnaris, 2: m. flexor carpi radialis, 3: m. palmaris longus with cut aponeurosis, 4: m. flexor digitorum superficialis, 5: m. brachioradialis, 6: m. abductor digiti primi brevis, 7: m. flexor digiti primi brevis superficialis, 8: m. flexor digiti primi brevis profundus, 9: m. adductor digiti primi, 10: m. flexor digiti quinti brevis, 11: m. abductor digiti quinti, 12: m. palmaris brevis, 13: mm. lumbricales, 14: ligamentum carpi palmare, 15: m. flexor digitorum profundus with 15a: caput radiale and 15b: caput ulnare, 16: m. opponens digiti quinti, 17: mm. contrahentes digitorum manus.*

tendons arise, which are inserted into the palmar sides of the terminal phalanges of all five digits (**Figures 33** and **35**).

• M. epitrochleoanconeus: This short muscle runs from the medial humeral epicondyle to the olecranon.
