Extra Digits and Ambidexterity in the Temple

The Tannaim debate whether twenty-four digits and ambidexterity represent disqualifying bodily defects or marks of superior physical strength.

Anomalies of the Hands and Feet

A priest who serves in the Temple must be free of any מום (physical blemish). The Mishnah on our daf examines physical variations that deviate from standard human anatomy. Normally, any surplus digit is classified as a blemish that invalidates a priest from sacrificial service.

The Mishnah presents two unique edge cases where an anomaly might indicate bodily power rather than impairment. The first case is a priest born with six distinct digits on each hand and foot, totaling twenty-four. The second case involves an ambidextrous priest, termed שולט בשתי ידיו (one who has equal control of both hands).

Twenty-Four Digits: Defect or Praise?

When an extra digit is isolated to one limb, all agree that it disqualifies a priest. However, if a priest possesses six digits on each hand and foot in full symmetry, the Tannaim disagree.

Rabbi Yehuda rules that the priest is fit, arguing that symmetry preserves ritual validity across all four limbs. The Chachamim (Sages) maintain that he is disqualified because any extra digit is anomalous, regardless of whether the surplus digits are distributed evenly.

יָתֵר בְּיָדָיו וּבְרַגְלָיו, שֵׁשׁ וָשֵׁשׁ — עֶשְׂרִים וְאַרְבַּע, רַבִּי יְהוּדָה מַכְשִׁיר וַחֲכָמִים פּוֹסְלִין.

If there was an extra appendage on his hands and on his feet, six on each for a total of twenty-four, Rabbi Yehuda deems the priest fit and the Rabbis deem him disqualified. (Bekhorot 45a:3)

The Warrior of Gath

Rabbi Yitzchak explains that both positions derive from a single biblical description of a giant warrior from Gath who had six fingers on each hand and six toes on each foot. Rabbi Yehuda understands that Scripture recounts these twenty-four digits as praise for extraordinary strength, proving they do not constitute a blemish.

The Chachamim counter that Scripture mentions this trait in disparagement, recording an unnatural deformity. Rabbi Yosei supports this view by recounting that when Rabbi Tarfon saw a man with twenty-four digits, he prayed that mamzerim should diminish through such disfigurement, demonstrating that twenty-four digits are a curse rather than an asset.

מָר סָבַר בִּגְנוּתֵיהּ מִשְׁתַּעֵי, וּמָר סָבַר בִּשְׁבָחֵיהּ מִשְׁתַּעֵי.

One Sage holds that the verse speaks of negative qualities, and one Sage holds that the verse speaks in his praise. (Bekhorot 45b:1)

The Ambidextrous Priest

A standard איטר (left-handed person) is explicitly disqualified from Temple service, because sacrificial rites require the strength and supremacy of the right hand. But the Tannaim disagree over one who exercises full mastery over both hands.

Rabbi Yehuda HaNasi (Rebbi) disqualifies an ambidextrous priest, holding that he is treated as left-handed in halacha. The Chachamim rule that the ambidextrous priest is fit to serve.

Weak Right Hand or Strong Left?

The Gemara articulates the underlying physiological debate (sevara) between Rebbi and the Chachamim. Rebbi maintains that ambidexterity originates because a weakening of the right hand forced the person to rely equally on his left. Because his right hand is inherently defective, he cannot properly fulfill the biblical requirement of right-handed service.

The Chachamim argue that the condition reflects an added vigor in the left hand while the natural dominance and vitality of the right hand remain completely intact. Since his right hand possesses full strength, his ability to also employ his left hand is an advantage rather than a defect.

מָר סָבַר — כְּחִישׁוּתָא אַתְחִלָא בְּיָמִין, וּמָר סָבַר — בְּרִיּוּתָא אַתְחִלָא בִּשְׂמֹאל.

One Sage holds that a weakness began in his right hand, and one Sage holds that a strength began in his left hand. (Bekhorot 45b:4)

The Definitive Halacha

The Rambam codifies both disputes according to the authoritative opinion of the Chachamim.

Consequently, an extra digit is a disqualifying blemish even when balanced symmetrically with six digits on every limb. Conversely, an ambidextrous priest is fully valid to serve, because superior strength in both hands does not compromise his right-handed integrity.

Halacha follows the Chachamim: twenty-four digits disqualify as an abnormal deformity, while ambidexterity is deemed an enhancement of strength that leaves the priest fit to serve.

Learn Bekhorot 45 on Super Daf