Psalm 41


Psalm 41 is the 41st psalm of the Book of Psalms. In the Greek Septuagint version of the bible, and in its Latin translation in the Vulgate, this psalm is Psalm 40 in a slightly different numbering system.
The last verse is not part of the Psalm itself but represents a liturgical conclusion of the first segment of the Book of Psalms.

Uses

Judaism

Verse 4 is found in the repetition of the Amidah during Rosh Hashanah.
Psalm 41 is one of the ten Psalms of the Tikkun HaKlali of Rebbe Nachman of Breslov.

[New Testament]

Judas is seen as the man who lifts his heal against his friend who he shared bread with. This is poignant in the context of the last supper as Jesus washed Judas feet, shared bread with him and was repaid by Judas giving 'his heel' figuratively. This imagery is also ironic as the Messiah would crush the serpent's head under 'his heel' in a Christian view of Gen 3.

Catholic Church

This psalm was traditionally performed during the celebration of matines with abbeys, according to the digital distribution of Saint Benedict of Nursia established to 530
In the Liturgy of the Hours today, Psalm 41 is sung or recited at Vespers of a Friday of the first week.